describe differences in water and oil. use the following terms in your description in the correct context : polar, nonpolar, hydrophilic, and hydrophobic
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Related Questions
a loop is used to transfer a small amount of e. coli culture from a plate to a slant. the slant tube has now been inoculated incubated cultured sterilized
Answers
From a plate to a slant, a small amount of e. coli culture is transferred via a loop. The slant tube has now been inoculated.
Inoculating bacteria into either liquid or solid media is possible. The E. Coli culture is then spread on an agar plate or mixed into liquid media or broth using a sterile inoculation loop or pipette. After that, bacteria are grown in the media by incubating it. It is utilized in cell culture and other microbiological procedures.
The act of inoculation involves moving a little quantity of bacterial culture from a plate to a slant using a loop. This step is necessary to get the bacteria culture into the slant tube, which will be used for growth and subsequent investigation.
A little bit of the bacteria culture is removed off the plate using the loop, and it is then moved to the slant tube. In the proper environments, this enables the bacteria culture to develop and proliferate in the slant tube.
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The complete question is:
A loop is used to transfer a small amount of e. coli culture from a plate to a slant. the slant tube has now been
1) inoculated
2) incubated
3) cultured
4) sterilized
What are the similies and metaphors for the novel Roll of Thunder: Hear my Cry?
Answers
Similes:
1. The thunder was like a drumbeat in the sky.
2. The sun was like a blazing fire in the sky.
3. The wind was like a whisper in the trees.
Metaphors:
1. The land was a living, breathing entity.
2. The sky was a blanket of stars.
3. The river was a ribbon of silver.
What would happen if a person received blood from someone that was not a compatible type?
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If a person received blood from someone that was not a compatible type then it will attack the donor red blood cells and destroy them.
If a patient obtains a blood type that is incompatible, antibodies already present in the patient's blood will attack and destroy the donor red blood cells. This may result in fever, chills, chest discomfort, back pain, hemorrhage, rapid blood pressure drops, shortness of breath, and/or renal damage. Our blood is a living tissue that serves vital purposes.
An acute hemolytic response is what this is. Even if a delayed hemolytic reaction, which is typically milder or even asymptomatic, can happen, blood cells will still be destroyed. To avoid a transfusion reaction, blood type must be identified before to transfusion into a patient.
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Tay-Sachs disease is an inherited disease that is caused by a recessive allele. If a man and his wife, who are both carriers, have three children, what is the probability of each of the following? Show your calculations and give your answers as fractions. a) All their three children do not have the disease. b) One or more of their three children have Tay-Sachs disease. c) All three children have the Tay-Sachs disease. d) At least one child is phenotypically normal without the disease.
Answers
a. All their three children do not have the disease: 27/64
b. One or more of their three children have Tay-Sachs disease: 37/64
c. All three children have the Tay-Sachs disease: 1/64
d. At least one child is phenotypically normal without the disease: 63/64
a) The probability that all three children do not have the disease can be calculated using the probability of each child being unaffected, which is the complement of the probability of having the disease.
Since both parents are carriers, they have a 1/4 chance of passing on the disease allele and a 3/4 chance of passing on the normal allele.
Probability of each child being unaffected = (3/4) * (3/4) * (3/4) = 27/64
b) The probability that one or more of their three children have Tay-Sachs disease can be calculated by subtracting the probability of none of the children having the disease from 1.
Probability of at least one child having the disease = 1 - Probability of none having the disease
Probability of none having the disease = (3/4) * (3/4) * (3/4) = 27/64
Probability of at least one child having the disease = 1 - 27/64 = 37/64
c) The probability that all three children have Tay-Sachs disease can be calculated using the probability of each child having the disease, which is 1/4.
Probability of all three children having the disease = (1/4) * (1/4) * (1/4) = 1/64
d) The probability of at least one child being phenotypically normal without the disease can be calculated by subtracting the probability of all three children having the disease from 1.
Probability of at least one child being phenotypically normal = 1 - Probability of all three having the disease
Probability of all three having the disease = (1/4) * (1/4) * (1/4) = 1/64
Probability of at least one child being phenotypically normal = 1 - 1/64 = 63/64
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Osmosis Lab ReportInclude: IntroductionMethodsResultsDiscussion
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Osmosis is the movement of solvent particles e.g. water along its concentration gradient - from high to low concentration - via a semi-permeable membrane.
Osmosis is the process of solvent movement across a semipermeable membrane from a region of low solute concentration to a region of high solute concentration. In contrast, diffusion does not require a semipermeable membrane and molecules move from areas of high concentration to areas of low concentration.
Objective: To determine the biological changes that occur over time in various solutions and how these changes relate to osmosis and diffusion.
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can someone help me out & labeling the membrane please?
Answers
Answer:
AD=Nucleus AE=Nucleolus A=Mitochondria AB=cytoplasm B=Plasma membrane
Explanation:
That's all I know I hope I helped
Ariana walks into the chemistry class on the day of the lab with flip flops, her hair loosely hanging across her face and wearing her favorite oversized hoodie. She is going to use her designer sunglasses as lab goggles- because fashion first! She can’t wait to play with chemicals and fire!
Please explain to Ariana why she is not prepared for the lab, addressing each of the issues above
Answers
Answer:
she is not prepared because she brought unnesasery things
Explanation:
Answer:
ariana needs to wear tight fitting clothes and tie her hair back to avoid getting chemical on them or catching on fire. she needs goggles to properly protect her eyes. she also needs close toed shoes to protect her feet
Explanation:
4. Exercise 3.4. Genetic Testing and Insurance Prices. Suppose the likelihood that a person will get disease X is determined in large part (but not exclusively) by his or her genes. Initially, it Is impossible to determine who carries the gene for the disease, and many people spend $500 on special health insurance to cover the costs of treatment for the disease. Suppose scientists uncover the gene responsible for the disease and develop a simple test for the gene. (Related to Application 3.) a. Suppose the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X. Will the new price of X insurance be greater that or less than $500 ? b. Suppose insurance companies have access to the results of genetic tests and they require all customers to get the test. How will the insurance company change its price of X insurance?
Answers
The first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
a) If the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X, the new price of X insurance will be greater than $500.
b) If insurance companies have access to the results of genetic tests and they require all customers to get the test, the insurance company will change its price of X insurance as follows: if the test shows that a customer has the gene, the insurance company will raise the price of insurance to $800 to cover the expected treatment cost of $10,000 (with probability 1). In contrast, if the test shows that a customer does not have the gene, then the insurance company will lower the price of insurance to $100 to cover only administrative costs, assuming there is no risk of developing the disease.
According to these two scenarios, the first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
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c) Suggest what can be done to address any discrepancy. Start explaining the most practical solution first and then the least favorable solution(s). Write in the provided box, please. [10 marks]
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Answer:
Explanation:
yes cux it is good
and i needpoints
Which fundamental principle surrounding enzymes explains why transition state analogues are able to act as potent inhibitors of naturally occurring enzymes
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A fundamental principle surrounding enzymes is that they can only catalyze reactions if the substrate binds to a specific site on the enzyme. This site is known as the active site.
The active site of an enzyme is a highly specific region that contains amino acid residues that interact with the substrate. These residues form a complementary shape that is specifically tailored to bind to the substrate. This binding of the substrate to the active site is what allows the enzyme to catalyze the reaction.
The transition state of a reaction is the energy state of the molecules just before the products of the reaction are formed. Transition state analogues are molecules that are designed to mimic this transition state and can be used to inhibit the enzyme.
Due to their similarity to the transition state of the reaction, the transition state analogues bind to the active site of the enzyme. This binding is strong and tight, preventing the natural substrate from binding. Therefore, the enzyme is unable to catalyze the reaction and is inhibited.
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Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic (As) and
antimony (Sb)?
Arsenic has a more metallic behavior than antimony because arsenic's atoms have fewer electron shells.
O Arsenic has a more metallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have fewer electron shells.
Answers
Answer:
Arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.
Explanation:
the person above me is wrong
An informational pamphlet in a health clinic describes an interaction between body systems.
5
An ovum moves from an ovary into the
uterine tube where its migration toward
the uterus is aided by the peristaltic
contractions of the smooth tissues of the
uterine tube's walls
6
7
Which statement identifies the body systems that are directly involved in the interaction
described and explains how they accomplish the interaction?
00
A The nervous system produces hormones that stimulate the ovum, and the circulatory
system moves the ovum into the uterine tube.
9
B The circulatory system supplies the uterine wall with oxygenated blood, and the
immune system prevents damage to the ovum. -
C The reproductive system produces the ovum, and the muscular system causes the
migration of the ovum by peristaltic contractions.
10
D The excretory system expels the ovum from the ovary, and the nervous system causes
the contractions of the smooth tissues of the uterine wall.
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Answer: c
Explanation:
Answer:C
Explanation: its c
*EXTRA POINTS*
A person pushes the same box with the same amount of force on 3 different surfaces. Which surface exerts the most friction on the box?
Answers
Answer:
Surface A.
Explanation:
The box stops faster than other surfaces here.
This means the surface applies greater frictional force to the box conpared to others.
"Grandpa, don't die!" Emma Abrams choked with deep conviction. "You mean everything to me. I can't live without you!" This was the part of the script where Emma was supposed to burst into real tears, yet her big blue eyes were like a desert. Emma tried to think of something despairing, like the time her toddling brother sliced his finger on a piece of broken glass while she was watching him, or the devastation she felt when learning that her cat had run away. These sad reflections did nothing to moisten her eyes. "Well, don't panic, Emma," she coached herself. "When it counts in the audition today, you'll cry real tears. You've just got to!"
It was difficult to study the script in the car with all of the bumps, turns, and sudden stops typical of trips into New York City, but Emma was determined to make sure that she had each line memorized word for word. She had studied every line nonstop since her agent had called with the good news. It was her first Broadway audition and her entire family had helped her to prepare. Her older sister helped her choreograph a dance, her father improvised with her by playing the part of Grandpa at the dinner table, and her little brother listened to her read her lines. No one was more constant in helping Emma realize her thespian ambitions than her mother, though. Mom was the one who accompanied Emma to her piano, voice, dance, and drama lessons each weekday after school. She went to every audition and performance with Emma, and Emma wished with all her heart that Mom was here with her now.
Emma appreciated her mother's constant companionship and support of her acting career. Her mother was always present backstage at the Dutch Apple Dinner Theater where Emma was currently starring in Annie on Friday and Saturday nights. Mom was the driving force behind her daughter's acting career, but she refused to drive in New York City. The big city frightened Mrs. Abrams and made her jittery. Since she was already nervous about Emma's big audition, Mrs. Abrams thought it best if she just stayed home. Emma tried to behave like a grown-up when her mother told her she wouldn't be going, but inside Emma felt panicky and alone.
Emma's father continued to navigate through the heavy traffic streaming into the city. As the skyline of New York City came into view, Emma started to cry. She knew she should have begged her mother to come with her but now it was too late! Her father looked into the rearview mirror and said, "Wow, honey! If you can do that during the audition, you're a shoo-in." He was genuinely impressed and didn't realize that her tears were real. Emma stared out the window, feeling sorry for herself.
Emma watched her dad hand his car keys to the parking attendant. They walked in silence for several blocks, with Emma holding her father's arm. She wanted to ask her father to come in to the audition with her, but she knew he'd be uncomfortable around a bunch of stage mothers. Emma soon found herself being escorted into a crowded lobby. She waved good-bye to her father and disappeared inside the theater.
When she emerged from the audition several hours later, Emma was exhausted but triumphant. "I don't ever want Mom to come to an audition where I have to cry again!" she declared as they left the theater together.
Knowing his daughter's flair for the dramatic, Mr. Abrams quickly said, "Now don't be angry with your mother because she couldn't come today, Emma. That's not fair."
Emma realized her father misunderstood her, so she explained that when she'd cried in the car earlier, it wasn't an act; she was genuinely upset that her mother wasn't with her. "When I went into the audition, all the other girls' mothers were there, but I was all alone. I was terrified without Mom there, so when they called on me to read my lines, I was on the verge of tears anyway. I just thought about how alone I felt without Mom there, and the tears came pouring down. It was perfect timing, and I think I just might get the part! Mom is the secret to my success." She bowed and curtsied to an imaginary audience, saying "Thank you, Thank you."
Mr. Abrams smiled and said, "I'm not sure, but I think that just this once, your mother will be extremely happy to hear that she made you cry."
What can readers infer about Emma in paragraph 2 of “Emma Finds a Way”?
A.
She is impatient.
B.
She is distracted.
C.
She is indifferent
D.
She is hard-working.
Answers
Answer: I think the answer is D
Explanation:
Hope this helps ya! im sorry if im worng! have a good day! ^-^
The pun nett square is for a test cross of two mice That were purebred
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Please help! I am so confused, please just help me understand this thing! I'm desperate
Answers
Answer:
i dont even know
Explanation:
bc its to hard to understand
Which best describes the movement of DNA fragments during gel electrophoresis?
The smallest fragments travel the furthest distance through the gel plate because are able to move more quickly through the gel.
The smallest fragments travel the least distance through the gel plate because are able to move more quickly through the gel.
The largest fragments travel the least distance through the gel plate because are able to move more quickly through the gel.
The largest fragments travel the furthest distance through the gel plate because are able to move more quickly through the gel.
Answers
Answer: 4
Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.
where did scientists discover a new predatory dinosaur fossil that was likely a semiaquatic diving predator?
Answers
______is often used to improve soils as it is
really good at absorbing and holding water.
Answers
Answer:
Peat mossExplanation:
According to CK12 - Foundation, Peat moss is commonly used by gardeners to improve soils, since it is really good at absorbing and holding water (Figure below). Depending on the location, ferns have several different uses worldwide. Ferns are found in many gardens as ornaments, and are used as indoor plants.
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Honor biology transport problems please help
Answers
Transportation is the movement of substances from one place to another, including water, nutrients, waste material, and excretory products.
What is transportation in biology?In biology, the term "transport" describes the action of moving a particle or ion across a cell barrier or through the circulation. In this respect, there are two different kinds of transportation: passive transportation and active transportation. An area of greater concentration is moved to an area of lower concentration through the process of passive transport, which involves the movement of ions or molecules along a concentration gradient.
Passive movement can be divided into four main categories: diffusion, assisted diffusion, filtration, and osmosis. Ions or molecules travel in opposition to a concentration gradient during active transport.
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Which of the following is true regarding gene regulation in prokaryotes such as bacteria?
A: Operons in prokaryotic gene regulation always promote transcription
B:prokaryotic genes are usually transcribed as a group and have single promoter
C: prokaryotic gene expression can inducible or repressible
D: gene regulation in prokaryotes is more complex than eukaryotes
Answers
Answer:
C
Explanation:
The Operons can have a promoter or reducer that can stop or activate gene transcription
which of the following is the body's most efficient form of stored energy? multiple choice question. phospholipids sterols triglycerides glycogen
Answers
The body's most efficient form of stored energy is Triglycerides. Therefore, for the question above, the correct answer is the third option.
Triglycerides are a form of fat or lipid that can be found in the blood. It is usually shorted into TG or TAG and can be called triacylglycerol or triacylglyceride. They are a major component of human skin oils and their presence in the blood enables the bidirectional transference of adipose fat and blood glucose from the liver.
When we eat something, our body converts the calories it doesn't outright need to use into triacylglyceride. They are stored in the fat cells and released between meals for energy by hormones when needed.
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Which biochemical cycle plays a significant role in maintaining earths radiation balance?
carbon cycle
phosphorus cycle
nitrogen cycle
water cycle
Answers
Carbon Cycle plays a significant role in maintaining earths radiation balance.
It is one of the biogeochemical cycles in which carbon is exchanged among the biosphere, geosphere, hydrosphere, atmosphere and pedosphere.
The carbon cycle is the ongoing process through which carbon atoms move back and forth between the atmosphere and the Earth. The carbon content of this closed ecosystem, which includes our planet and its atmosphere, does not vary.
The carbon cycle is the term used to describe the continuous movement of carbon atoms from the atmosphere to the Earth and back again. The amount of carbon in this system does not fluctuate since our planet and its atmosphere are a closed environment.
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Select the correct characteristics of the action of an enzyme. Select all that apply. Multiple select question. Enzymes are typically much smaller than reactant substrates, and each reaction requires many enzymes to activate its chemical change. Enzymes are incredibly versatile, each catalyzing a huge number of biological reactions. An enzyme behaves like both a heterogeneous and a homogeneous catalyst. Enzymes are enormously efficient, much more so than synthetic catalysts.
Answers
Answer: Enzymes are incredibly versatile, each catalyzing a huge number of biological reactions.
An enzyme behaves like both a heterogeneous and a homogeneous catalyst.
Explanation:
Enzymes are the biological catalyst they speed up the rate of the reaction without being consumed in the reaction. It is versatile in terms of catalyzing huge number of biological reactions but every enzyme has a specificity for a reactant or substrate. An enzyme can work as both homogenous and heterogenous catalyst. Homogenous catalyst is the one which is similar in properties as that of the substrate and heterogenous catalyst is the one which is dissimilar in properties as that of the substrate.
The correct characteristics is that of the action of an enzyme, enzymes are enormously efficient, much more so than synthetic catalysts.
Uses of enzymesEnzymes are biological substances that has the ability to increase the rate of a chemical reaction without changing at the end of the reaction.
The features of an enzyme include:
They possess great catalytic power and a small amount can easily catalyze a chemical reaction.They speed up reactions but remain unchanged during the whole reaction.There are synthetic and biological enzymes. The biological enzymes are enormously efficient, much more so than synthetic catalysts because biological enzymes has more affinity for its substrate than the synthetic enzymes.
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how does the nucleus help the plant cell wall carry out its function?
choose 1 answer:
(A) the nucleus breaks down sugar to provide energy that the cell wall uses to build its structure.
(B) the nucleus stores sugars that are used in building the cell wall.
(C) the nucleus contains genes that provide information for building parts of the cell wall.
Answers
Answer:
C maybe
Explanation:
because it is the work of nucleus i guess
the root of sweet potato is modified in the form of tuber why
Answers
Answer:
to store food and water so it can survive.
Explanation:
it's to store food for itself.
succession how do ecosystems develop over time worksheet pogil
Answers
Succession is the process of ecological development over time. It involves a series of predictable changes in the composition of plant and animal communities, as well as changes in the physical environment. The worksheet from POGIL explores the different stages of succession, starting with primary succession, which occurs in areas where there is no existing soil, and ending with climax communities. Through this worksheet, students can understand the factors that influence succession, such as disturbance, competition, and colonization. Additionally, they can explore how different types of ecosystems develop over time, including forests, grasslands, and wetlands.
Overall, this worksheet provides an excellent opportunity for students to explore the dynamics of ecological development.
In succession, ecosystems develop over time through a series of sequential stages called seral stages. There are two types of succession: primary and secondary. Primary succession begins on newly exposed surfaces with no previous vegetation, while secondary succession occurs after disturbances in an already established ecosystem. The process involves pioneer species colonizing the area, followed by the establishment of more complex communities.
As each community develops, it modifies the environment, making it more favorable for the next community to thrive. This progression continues until the ecosystem reaches a stable climax community. This development process in ecosystems is evident in worksheets and pogil activities, which help students better understand the concept of succession.
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What is evolution?
O a trait that allows organisms in a population to better survive and reproduce in their
environment
o the process by which individuals that are better adapted to their environment are more likely to
survive and reproduce
O a group of organisms that can mate to produce fertile offspring
O the process in which inherited traits of a population change over many generations
Answers
Answer:
O the process in which inherited traits of a population change over many generations
Explanation:
The traits of a populations evolve or "change" over many generations
Answer:
The process by which inherited traits of a population change over many generations.
Explanation:
Evolution in its contemporary meaning in biology typically refers to the changes in the proportions of biological types in a population over time.
Nicotine triggers the release of adrenaline. What negative impact does this have on the cardiovascular system?.
Answers
Nicotine causes the narrowing of arteries, an increase in blood pressure, and an increase in heart rate.
Nicotine is a harmful chemical present in cigarettes and tobacco products. this chemical triggers the release of adrenaline. This hormone is known to give a "kick" to the body's systems.
Prolonged usage of nicotine has a severe impact on the body especially the respiratory and cardiovascular systems. The hormone, adrenaline, is known to increase the heart rate and flow of blood. this increases the blood pressure and narrowing of blood vessels which in turn increases the risk of heart attacks, cardiac arrest, and a variety of heart issues.
So, nicotine is a harmful chemical that causes a wide range of health complications in the long run.
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An action potential is triggered if Group of answer choices all of the above. the membrane hyperpolarizes. chloride channels open. EPSPs overpower IPSPs. IPSPs overpower EPSPs.
Answers
An action potential is triggered if all of the above occurs. The membrane hyperpolarizes, chloride channels open, and EPSPs overpower IPSPs and IPSPs overpower EPSPs. An action potential is a brief change in the voltage of a cell membrane that propagates down the axon of a neuron.
It is initiated by a stimulus and results in the generation of an electrical impulse that travels down the length of the neuron to the synapse, where it is transmitted to another neuron or a muscle fiber. The occurrence of an action potential depends on the balance of excitatory and inhibitory inputs that a neuron receives.
If the excitatory inputs are stronger than the inhibitory inputs, the neuron will depolarize and generate an action potential. Conversely, if the inhibitory inputs are stronger than the excitatory inputs, the neuron will hyperpolarize and fail to generate an action potential.
Thus, the balance of EPSPs and IPSPs is critical for the generation of an action potential. In order for an action potential to be triggered, EPSPs must overpower IPSPs, and the membrane must hyperpolarize. Additionally, the opening of chloride channels can contribute to the hyperpolarization of the membrane and increase the likelihood of an action potential being generated.
In conclusion, the occurrence of an action potential depends on the balance of excitatory and inhibitory inputs, and the membrane potential must reach a threshold level in order for the action potential to be triggered.
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