Answer:
stem cells
Explanation:
stem cells are able to become any somatic sell; blood, lung, heart, etc.
Select the correct answer.
What is the benefit of an uneven production of gametes in oogensis?
Answer:
I'm not sure: To have children,
and produce sperm
Explanation:
It is the process of producing female gametes and called the creation of ovum
the benefit of an uneven production of gametes in oogensis is
One haploid cell receives the majority of the nutrients from the cytoplasm
so I conclude option A is correct
hope it helps
What technique did Hershey and Chase use in their experiment that led to the conclusion that DNA, not protein, was the genetic material in viruses?
Answer:
They used radioactive labeling techniques to build two different types of phage.
Explanation:
In 1952, a set of experiments were carried out by American biochemists Alfred D. Hershey (1908-1997) and Martha Chase. They prepared two separate virus samples, one contained DNA labeled with a radioactive isotope and the other contained protein labeled with a different radioactive isotope. They grew the two types of viruses separately, infected bacteria with the two sets of phages and analyzed the bacteria for radioactivity. From the results obtained, Hershey and Chase concluded that the viral genetic material was DNA and not protein, reinforcing the observations previously made by Avery.
Elements y macromolecules NEED ASAP
Answer:
Answer is in the attachment.
Explanation:
A recipe for a cake calls for both liquid and dry ingredients. If you are following the recipe, how will the order in which you add the ingredients affect the mass of the batter?(1 point) It will have no effect because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed. It will have no effect because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed. If you add the liquid ingredients first, the final result will have less mass than if you added the dry ingredients first. This is because the dry ingredients will dissolve in the liquid ingredients. If you add the liquid ingredients first, the final result will have less mass than if you added the dry ingredients first. This is because the dry ingredients will dissolve in the liquid ingredients. If you add the dry ingredients first, the final result will have less mass than if you added the liquid ingredients first. This is because the dry ingredients will be dissolved by the liquid ingredients. If you add the dry ingredients first, the final result will have less mass than if you added the liquid ingredients first. This is because the dry ingredients will be dissolved by the liquid ingredients. It will have no effect because the order in which ingredients are mixed will not change the fact that the mass of the batter will be greater than the masses of the ingredients. It will have no effect because the order in which ingredients are mixed will not change the fact that the mass of the batter will be greater than the masses of the ingredients.
It will have no effect because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed.
Effect occurs on massThe order in which we add the ingredients do not affect the mass of the batter because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed.
The mass of the batter remains the same due to the incorporation of same quantity of ingredients so we can conclude that option A is the right answer for this question.
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Answer:It will have no effect because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed.
Effect occurs on mass
The order in which we add the ingredients do not affect the mass of the batter because the order in which ingredients are mixed will not change the fact that matter cannot be created nor destroyed.
The mass of the batter remains the same due to the incorporation of same quantity of ingredients so we can conclude that option A is the right answer for this question.
Explanation: 100% mark brainlist
Why aren’t earthquakes common at depths greater than 700 m?
Earthquakes are not common at depths greater than 700 m because at greater depths the rocks are hot and plastic, and thus under high pressure.
The rocks break or deform slowly in response to stress in these circumstances, and there is no rapid movement of rocks. Earthquakes are caused by rapid movements of rocks, such as the fracture of brittle rocks in the Earth's crust. Earthquakes are caused by a variety of reasons, including natural geological processes, human activities such as mining, and underground nuclear testing.Natural geological processes that cause earthquakes include faulting, volcanic activity, and sudden movement of the Earth's tectonic plates. The seismic waves generated by these movements are responsible for the shaking felt during an earthquake. The magnitude and intensity of the earthquake depend on the strength of the movement and the distance from the epicenter. At greater depths, the rocks are too hot and plastic, and so they tend to deform or break slowly in response to stress. Therefore, earthquakes do not occur commonly at depths greater than 700 meters.
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What can be calculated given distance and a period of time?
A. Direction
B. Displacement
C. Velocity
D. Speed
Distance is defined as how far an object has moved or the measurement between two points. Distance is measured in the meter.
The correct answer is:
Option D. Speed
Speed can be defined as:
Speed is the calculation of an object and how fast it is moving.Speed is the distance traveled by an object per unit of time. Speed is calculated in SI unit meter/second. Speed can be calculated when an object has moved a certain distance in a given interval of time.
Thus, the correct answer is speed.
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If a non-professional antigen-presenting cell that lacks co-stimulatory molecules presents peptide:MHC complexes to a T cell specific for that peptide, then _____.
a. the T cell delivers a signal to the non-professional antigen-presenting cell to activate the expression of co-stimulatory molecules.
b. the T cell begins to express the α chain of the IL-2 receptor.
c. the T cell differentiates into a TH1 cell.
d.T-cell tolerance occurs as a result of anergy.
e.the T cell is more heavily reliant on signals transmitted through CD4 or CD8 in order to become activated.
If a non-professional antigen-presenting cell that lacks co-stimulatory molecules presents peptide:MHC complexes to a T-cell specific for that peptide, then T-cell tolerance occurs as a result of anergy.
Thus, the correct option is D.
Anergy is the state of reduced responsiveness of a T-cell in the absence of co-stimulatory molecules. The non-professional antigen-presenting cells that lack co-stimulatory molecules are unable to provide the necessary signals to fully activate T-cells. As a result, the T-cell becomes anergic, or unresponsive, and tolerance occurs. This is a mechanism that helps prevent autoimmune reactions in the body.
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How did mammals survive the mass extinction?
A. By living underground
B. By having a less selective diet
C. Both of the above
Answer:
C. Both of the above.........
B) By having a less selective diet if I'm not wrong
if damaged, which valve could allow blood to leak back into the right atrium?
The heart has to pump blood twice as hard to compensate for the loss of blood that would flow back into the right atrium, leading to heart failure.
The heart's function is to pump blood around the body. This procedure happens due to a sequence of mechanical events in the heart, and the blood's flow is managed by a series of valves. These valves maintain the blood's flow in one way in the heart chambers. The two atrioventricular valves, the mitral valve, and the tricuspid valve, play a crucial role in this circulation. The right atrium receives deoxygenated blood from the body and transfers it to the right ventricle through the tricuspid valve. During systole, the tricuspid valve prevents blood from flowing back to the right atrium. Blood might flow back into the right atrium if the tricuspid valve is defective or damaged. As a result, the heart has to pump blood twice as hard to compensate for the loss of blood that would flow back into the right atrium, leading to heart failure. The left atrioventricular valve, or the mitral valve, prevents blood from flowing back into the left atrium during systole. The mitral valve might also become impaired or damaged, allowing blood to leak back into the left atrium, causing heart failure.
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freshwater fish excrete nitrogenous wastes as _____.
Consider the following situations, and determine when a simple stain could be used instead of a Gram stain.a.) An unknown species of bacteria is being characterized and identified.b.) A wound specimen is being examined.c.) A microbiologist is trying to determine whether a specimen contains bacteria or fungi.d.) A specimen is suspected to contain multiple species of bacteria.
Option ( C ) .Microbiologists try to determine whether a sample contains bacteria or fungi.
What do microbiologists do?
Microbiologists study the microorganisms in such as bacteria, viruses, algae, fungi, and some types of parasites. They seek to understand how these organisms live, grow, and interact with their environment.
Can you afford microbiology?
A degree in microbiology therefore opens up opportunities in a variety of settings, including universities, hospitals, medical institutions, forensic laboratories, environmental agencies, publicly funded research institutions, pharmaceuticals, food and pharmaceuticals.
Do Microbiologists Become Doctors?
If you have a degree in Microbiology, you must have a DMLT (Diploma in Medical Laboratory Technology), take an entrance exam, and be called a physician after the M.D. program.
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Most phenotypic traits—features of the organism that we can observe—are not easy to put into a Punnet Square. Give at least two reasons, or factors, that make most phenotypic traits complicated. How, then, can we measure these traits?
Most phenotypic traits are complex due to polygenic inheritance and environmental influences.
Phenotypic traits often result from the combined effects of multiple genes (polygenic inheritance) and can be influenced by environmental factors. Punnett Squares, which illustrate single gene pair inheritance, are not suitable for capturing the complexity of such traits. Additionally, environmental factors can interact with genetic factors, leading to variations in trait expression.
To measure complex phenotypic traits, alternative approaches are used. Quantitative measurements, such as height or weight, provide precise numerical values. Statistical analysis helps identify patterns, correlations, and heritability estimates in populations. It involves studying large sample sizes and employing statistical models to understand the contributions of genetic and environmental factors. Molecular genetics advancements have further enhanced our ability to study complex traits at the genetic level.
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about how many mitochondria might you expect to find in a single human skin cell?
The number of mitochondria in a single human skin cell can vary depending on factors such as the cell type, metabolic activity, and energy requirements. Generally, skin cells have a moderate number of mitochondria due to their need for energy to support cellular functions.
On average, it is estimated that a human skin cell may contain several hundred to a few thousand mitochondria. However, it's important to note that this is an approximation and individual cells may deviate from this range.
Additionally, mitochondrial numbers can also vary depending on the specific region of the skin and its metabolic demands.
Mitochondria are the cellular powerhouses responsible for producing ATP (adenosine triphosphate), which is the primary energy currency of cells. They play a vital role in providing energy for various cellular processes and are particularly important in tissues with high energy demands, such as muscle cells.
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after digestion, small monosaccharides are absorbed into and transported throughout the body for use. multiple choice question. lymphatic capillaries blood capillaries interstitial fluid lacteals
After digestion, small monosaccharides are absorbed into and transported throughout the body for use by blood capillaries
After being digested, where are monosaccharides absorbed?
Active transport occurs across the microvillus membrane of the small intestine to absorb monosaccharide sugars like galactose, glucose, and fructose into the portal blood stream for transportation to the liver.
To get the monosaccharides and other nutrients into the blood so they can be dispersed to the rest of the body, the small intestine cells have membranes that contain numerous transport proteins. The liver is the first organ to absorb glucose, fructose, and galactose. Bacteria in the large gut digest some of the indigestible carbohydrates.
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Are there opinions about this document of aids
Fill in the blanks:
transcription
translation
DNA
Match the DNA bases with its
complementary mRNA base:
in DNA: in mRNA:
A
T
С
G
EU
Construct a complementary mRNA strand
of the following strand of DNA:
AGC TCA CTG
Answer:
A - T
T - A
C - G
G - C
TCG AGT GAC
When two substances create a solution, what happens to its mass?
A.The mass is increased.
B.The mass is decreased.
C.The mass stays the same.
D.The mass disappears.
finish the passage
The reactants for cellular respiration are the __________ for photosynthesis. The products of cellular respiration are the _______
of photosynthesis.
The reactants for cellular respiration are the glucose and oxygen for photosynthesis. The products of cellular respiration are carbon dioxide, water, and ATP of photosynthesis.
Would a hypothesis for example be “it is cloudy” and the prediction would be “it will rain” ? can predictions be wrong even if the hypothesis is correct ?
Answer:
1st one is no, i think the second is no
Explanation:
hypothesis is an if-then statement and predictions are made based off the hypothesis
hypothesis ex: "if you get at least 6 hours of sleep, [then] you will get better grades on tests than if you get less sleep."
prediction: "i will get a lower grade if I get 2 hours of sleep than I will if I get 6 hours of sleep"
9. Use the diagram to answer the question below.
cell chloroplast
wall
cell
membrane vacuole nucleus
un
DO
The cell membrane plays an essential role in the life of the cell. How does the cell membrane
help maintain the health of the cell in the figure above?
Answer:
It provides protection for the cell it also provides a fixed environment
Explanation:
Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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Which statement describes the function of the hormone called ADH? It tells the kidneys to reabsorb water. It tells the pancreas to secrete insulin. It tells the hypothalamus to make CRH. It tells the ovaries to make estrogen.
Answer: it tells the kidneys to reabsorb water.
Answer:
It tells the Kidneys to reabsorb water
Explanation:
An increased amount of ADH is released from the pituitary gland when you are thirsty.
Simple carbohydrates are called ___________________.
Group of answer choices
Monosaccharides
starch
Polysaccharides
Disaccharides
Answer:
simple sugars
Explanation:
Monosaccharides is the answer
Biology question !WILL MARK YOU BRAINLIEST!
What the diver needs to survive underwater in terms of input
Explanation:
a form of oxygen such as an oxygen tank
In this unit, we learned about severe weather disasters and their repercussions. According to Murphy, explain how reducing the initial emergency response by one day can reduce the overall recovery by 1000 days?
Answer:According to Murphy it has been concluded that to accelerate the emergency response,autonomous robots and unmanned machines can be used.
Explanation: Don't ask how i know it :)
Answer: The correct answer is : According to studies carried out, it has been concluded that to accelerate the emergency response one day, autonomous robots and unmanned machines can be used. In this way the recovery time can be reduced by one thousand (1000) days or almost three years.
Explanation: I Jus know it
How many people have you sacrificed to floor gang and the furries
people sacrificed to floor gang: 2M+
people sacrificed to the furries: i lost count around 748, maybe over 1k about now
Answer:
I lost count of how many to be honest
Answer:
Thanks for all the gifts :3
Explanation:
What can you do to verify its purity?
Answer:
To verify you have a pure sample use the sterile needle to isolate and grow on a new streak plate to make sure you see only one culture.
Explanation:
which statement describes the conditions in which diamonds form?
Answer: A
Diamonds are formed under great pressure. Simply put, diamond formation occurs when carbon deposits deep within the earth(approximately 90 to 125 miles below the surface) are subject to high temperature and pressure. Some stones take shape in a matter of days or months, while others take millions of years to materialize.
in pea plants, purple flowers are dominant to white flowers. If you cross twoheterozygous plants with purple flowers, what percentage of the offspringwould you expect to be purple?O 25%O 50%O 75%100%
The answer is 75%
Let's assign these genotypes to the flowers:
Purple- P (dominant)
White- pp (recessive)
Two heterozygous purple flowers are crossed:
Pp X Pp
The resulting offspring of the cross would be:
PP- 25% homozygous purple flower
Pp- 50% heterozygous purple flower
pp- 25% homozygous white flower
PP, Pp- are purple flowers
25%+50%= 75%