Answers
Answer:bacteria
Explanation:
Related Questions
What is produced besides a polymer during dehydration synthesis?
Answers
Answer:
They are an important type of chemical reaction for living organisms since they produce many important biological polymers like proteins and polysaccharides.
Explanation:
The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
Answers
Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
SBI3C Culminating Task Part A (True or False) 10 marks Answer each question "true" or "false" 1. Polymers are made up from monomers /50 2. Both animal cells and plant cells have cell walls and cell membranes 3. Osmosis is the movement of a solution (ex. water) across a non-permeable membrane 4. Gregor Mendel is known as the father of genetics due to his studies using pea plants (pods). 5. In a strand of DNA, "G" always pairs with "C" and "A" always pairs with "T" 6. Meiosis is important for the reproductive process in humans 7. Bacteria can be harmful, but some types of bacteria can be helpful_ 8. Inflammation and fever are part of your body's defense system against infection 9. You have more white blood cells than red blood cells 10. The heart pumps "oxygenated" blood to the lungs through the pulmonary system
Answers
Answer:
1= yes
2= no
3=no
4=yes
5= unsure
6= yes
7=yes
8=yes
9= no
10=yes
Explanation:
Plz help me I am timed well mark brainliest if you are correct!
Answers
Answer:
The answer is A
Explanation:
Answer:
A) elliptical path
Explanation:
have a nice day!! :)
Carbon is unique because it can form
Answers
Can someone feel this chart out and give explanations. It’s on Benedict’s test, iodine test, Sudan test, and biuret test.
Answers
The biuret test is used to detect the presence of proteins in a sample. Biuret reagent is added to the sample, and if proteins are present, the copper ions in the reagent will bind to the peptide bonds in the protein, causing the solution to turn from blue to purple. The intensity of the color change is proportional to the amount of protein present in the sample.
What are Benedict’s test, iodine test, Sudan test, and biuret test?Benedict's test is used to detect the presence of reducing sugars, such as glucose and fructose, in a sample. To perform the test, the sample is mixed with Benedict's reagent and heated in a water bath. If reducing sugars are present, the solution will change from blue to green, yellow, orange, or red, depending on the concentration of reducing sugars.
The iodine test is used to detect the presence of starch in a sample. Iodine is added to the sample, and if starch is present, the iodine will bind to the starch molecules, forming a blue-black color.
The Sudan test is used to detect the presence of lipids or fats in a sample. Sudan III or Sudan IV dye is added to the sample, and if lipids are present, the dye will bind to the lipids, causing them to appear as red droplets in the sample.
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What is the function of structure W?
A. to attach the flower to the main stem
B. to protect the developing bud
C. to attract pollinators to the flower
D. to form the floral organs
Answers
The function of the structure W is to attract pollinators to the flower (option C).
What is a flower?A flower in botany is a reproductive structure found exclusively in group of plants called angiosperms (flowering plants), often conspicuously colourful and typically including sepals, petals, and either or both stamens and/or a pistil.
The parts of a flower are as follows:
PetalsSepalsPistil or carpel (female part)Stamen (male part)The petals of a flower is one of the component parts of the corolla of a flower. It applies particularly, but not necessarily only, when the corolla consists of separate parts i.e. when the petals are not connately fused.
Petals are often brightly colored as seen in the structure labelled W above. This colorful appearance is used to attract pollinators such as insects, butterflies for the process of reproduction.
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Answer:it’s c
Explanation:
study island
What passes through capillary walls? Select all that apply.
carbon dioxide
water
blood
oxygen
Answers
How do spectroscopes help with studying of distance stars? A. it breaks apart lights that comes from Stars far away. B. it gives a clear image of the shape of stars. C. it collects sound waves from distant Stars. D. it measures the distance of far away Stars.
Answers
Answer:
"It lets you see the chemicals being absorbed or emitted by the light source.
1. The image below shows the energy transfer within a pond ecosystem. Predict how the flow of energy within the pyramid would and would not change if trees surrounding the pond grew tall enough to completely shade the pond.
Answers
The energy would move from the phytoplankton to the zooplanktons all the way up to the musky.
Energy transfer in an aquatic ecosystemEnergy is moved through a food web or food chain in an aquatic ecosystem. Producers at the base of the food chain, like phytoplankton and aquatic plants, use photosynthesis to convert solar energy into organic matter.
The energy is then transferred to the secondary consumers, which include larger fish and predatory invertebrates, who eat the primary consumers. Tertiary consumers, such as apex predators like sharks or killer whales, and so forth, eat secondary consumers.
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What is the name of the tectonic process that brings rocks from deep inside the crust to Earth’s surface where they are exposed to the environment?
PLEASE GIVE ME AN ANSWER ASAP
Answers
Answer:
Subduction takes the rocks to great depth in the Earth relatively quickly
What do you think some of the negative consequences of gender socialization could be?
Answers
One negative consequence of gender socialization is the reinforcement of gender stereotypes. Stereotypes are oversimplified and often inaccurate beliefs about groups of people, and they can lead to discrimination and prejudice. Gender stereotypes can limit individual choices and opportunities, as well as contribute to gender-based violence and other forms of inequality.
Another negative consequence of gender socialization is the pressure to conform to traditional gender roles and expectations. This pressure can limit individual expression and creativity, and it can also contribute to mental health issues such as anxiety and depression.
Which of the following is a cell?
a. Antibody c. Virus
E. coli bacterium d. ribosome
3. Which of the following is NOT a cell?
a. Yeast c. paramecium
b.Sperm d. DNA/chromosome
PLEASE HELP
Answers
Answer:
A virus
DNA is not acell
Explanation:
Milk of magnesia is a slippery, bitter-tasting white substance that is commonly used as a laxative. If the pH of milk of magnesia is between 10 and 11, it can best be described as a
A.
moderate base.
B.
strong acid.
C.
moderate acid.
D.
neutral compound.
Answers
A. Moderate base.
A basic material is magnesium hydroxide, also referred to as milk of magnesia or Mg(OH)2. The pH range of Milk of Magnesia is between 10 and 11, making it a fairly basic compound. If a material has a pH value greater than 7, it is classified as basic; the stronger the base, the higher the pH value. Due to its pH being just slightly above 7, Milk of Magnesia is classified as a weak base.
A weak base known as milk of magnesia is a basic material with a pH between 10 and 11. A substance is referred to as a base if its pH value is greater than 7; the stronger the base, the higher the pH value. Due to its pH being just slightly above 7, Milk of Magnesia is classified as a weak base. The ability of milk of magnesia to counteract gastric acid and aid in the relief of constipation makes it an efficient laxative.
The references about Milk of Magnesia are as follows:
https://www.medicalnewstoday.com/articles/323763
of the following job analytic techniques, which is aimed at directly connecting job analysis to the selection context by identifying the knowledge, skills, abilities, and other characteristics (KSAOs) necessary for the job?
Answers
Answer:
patience
Explanation:
A solution with pH 9 has ________________ times ____________________ OH- than a solution with pH 6.
Answers
Answer:
basic
Explanation:
ph value 9 base is ph value is 9and 20
The stronger the social connections:
O the more likely to live long and strong
O the fewer complications in pregnancy
O the more secure the children feel
O all of the above
Answers
Answer:
O all of the above
Explanation:
Stronger social connections have been associated with various positive outcomes, including longer and healthier lives, fewer complications in pregnancy, and increased feelings of security in children. Numerous studies have shown that individuals with strong social networks and support systems tend to have better overall health, lower mortality rates, and reduced risk of certain health conditions. Additionally, social support has been found to positively impact pregnancy outcomes, such as lower rates of preterm birth and improved maternal well-being. Furthermore, children who have secure and supportive relationships with their caregivers and peers tend to experience better emotional and psychological development.
.
Explain (in details), starting with the motor neuron, how muscle contraction occur. List all the molecules involved in this
process.
Answers
Muscle contraction is a complex process that involves the interaction of various molecules. It starts with the motor neuron, which carries the signal from the brain or spinal cord to the muscle. The signal, known as an action potential, travels down the motor neuron and reaches the neuromuscular junction, where the motor neuron and muscle fiber meet.
At the neuromuscular junction, the action potential triggers the release of a neurotransmitter called acetylcholine (ACh) from the motor neuron. ACh then binds to receptors on the muscle fiber's membrane, causing it to depolarize. This depolarization propagates along the muscle fiber's membrane and into the deeper regions of the muscle fiber through a network of tubules called the transverse tubules (T-tubules).
The depolarization of the T-tubules activates another set of tubules called the sarcoplasmic reticulum (SR), which is a specialized structure within the muscle fiber. The SR releases calcium ions (Ca2+) into the muscle fiber's cytoplasm. The increase in Ca2+ concentration in the cytoplasm triggers a series of events that lead to muscle contraction.
The rise in Ca2+ concentration allows the Ca2+ ions to bind to a protein called troponin, which is part of the thin filaments in the muscle fibers. The binding of Ca2+ to troponin causes a conformational change in the troponin-tropomyosin complex, exposing the active sites on the actin filaments.
Next, another protein called myosin, which is part of the thick filaments, binds to the exposed active sites on actin, forming cross-bridges. This binding triggers the release of energy stored in the myosin molecule, causing the myosin heads to change their shape and pull the actin filaments towards the center of the sarcomere (the basic unit of muscle contraction).
ATP, adenosine triphosphate, is the molecule that provides the energy for this process. When ATP is hydrolyzed to ADP and inorganic phosphate (Pi), the energy released is used by the myosin heads to move and generate force.
The cycle of myosin binding to actin, pulling the actin, and then detaching and resetting is repeated as long as Ca2+ is present and ATP is available. When the action potential ceases and Ca2+ is pumped back into the SR, the troponin-tropomyosin complex blocks the active sites on actin, and the muscle relaxes.
In summary, muscle contraction involves a series of events starting with the motor neuron, where the action potential triggers the release of ACh. This leads to depolarization of the muscle fiber, activation of the SR, release of Ca2+, binding of Ca2+ to troponin, exposure of the active sites on actin, and the formation of cross-bridges between myosin and actin. The hydrolysis of ATP provides the energy for the myosin heads to generate force and pull the actin filaments, resulting in muscle contraction.
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Which of the following are layers of the Earth based on its "composition"? 5 points
*
Mantle
Core
Crust
Lithosphere
Mesosphere
Answers
Answer:
lithosphere this is one of the layers of earth it takes 30% of the earth while hydrosphere takes 70% of the earth crust
Which two features are parts of a line graph
Answers
Answer:
A dependent variable and an x-axis
Explanation:
Select the statements that accurately summarize why cold weather events are not considered evidence refuting climate change.
a. Weather refers to short-term conditions, while climate refers to long-term conditions.
b. There aren't enough cold weather events to be significant.
c. Cold weather events do not align with climate change ideas, so they are rejected.
d. Climate change does not mean all places change in the same way at the same time.
e. Abnormally cold weather conditions can be caused by warming at the poles.
Answers
The correct statements that accurately summarize why cold weather events are not considered evidence refuting climate change are A, D, and E.
Firstly, weather refers to short-term conditions while climate refers to long-term conditions. Therefore, a single cold weather event or even a few cannot be used to argue against the long-term trend of climate change. Secondly, climate change does not mean that all places change in the same way at the same time. This means that while some areas may experience extreme heat, others may experience cold temperatures. Lastly, abnormally cold weather conditions can actually be caused by warming at the poles. As the poles warm, the jet stream can weaken and move south, allowing colder air to move into regions that are not typically cold. Therefore, cold weather events are not a refutation of climate change, but rather a potential consequence of it. It is essential to focus on long-term trends in global temperatures and carbon dioxide levels to understand the impacts of climate change accurately.
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Which pair of factors affects the force of gravity between objects? direction and distance mass and distance mass and shape shape and time
Answers
Answer:
It's B
Explanation:
Mass and distance affects the force of gravity between objects.
Thus, option B is correct.
What is force of gravity?Force of gravity is defined as the force of attraction between any two objects in the universe.
The force of attraction depends upon the mass of the object and the square of the distance between them.
Mass is the total amount of matter contained by an object.More the matter of the object has, the more the mass.Weight of an object can be zero but mass of the object cannot be zero.
Distance is defined as the amount of space between two places or things. Measurement of distance are kilometer, inch, foot, yard.
Therefore,Mass and distance affects the force of gravity between objects.
Thus, option B is correct.
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Archaea live everywhere
on
Earth, including extreme environments.
True
False
Answers
Answer:
True :)
Explanation:
Many Archaea are specialized to live in extreme environments. Just three types are described here. Archaea are now known to live just about everywhere on Earth. They are particularly numerous in the ocean.
the person in the picture has a lot of potential energy? true or false
Answers
Answer:
True
Explanation:
Answer: he has a great smile and I don't spot a slouch, he looks aware of everything going on around him... I say the kid has potential energy
Ionic compounds form because charges attract
Answers
The formation of ionic compounds is due to when opposite charges attract and like charges repel, the attraction of opposite charges makes ionic bonds in the compounds.
What are ionic bonds?It is the kind of bonding in which electrostatic attraction happens, through which ionic compounds are formed.
Ionic bonds set the chemical connection in which one atom loses valence electrons and which are gained by another atom, the atoms involved in this connection form the more stable noble gas electrical state.
This bonding is different from covalent bonding, in covalent bonding there is sharing of the pairs of electrons making it more strong than ionic.
Therefore, ionic compounds form because opposite charges attract each other, leading to ionic bonding.
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Word Bank:
Cell wall, cell membrane, capsid, nucleus, mitochondria, membrane-bound organelles, central vacuole, made of cells, requires host cell, grow and reproduce, can obtain energy, may cause disease, antibiotics may be used to treat infection, vaccines are used to prevent infection, living thing, DNA, and RNA.
From the word bank above list each beside Prokaryotic, Eukaryotic, and virus. All words may be used more than once.
Prokaryotic cells:
Eukaryotic cells:
Viruses:
Answers
Prokaryotic cells: cell wall, cell membrane, nucleus, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.
Eukaryotic cells: cell wall, cell membrane, nucleus, mitochondria, membrane-bound organelles, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.
Viruses: capsid, requires host cell, may cause disease, antibiotics may be used to treat infection, vaccines are used to prevent infection, living thing, DNA, and RNA.
What are viruses?Viruses are small infectious particles that propagate solely inside living cells of other organisms. Their structure comprises genetic material bound by a protein coat called a capsid, with some viruses displaying an additional lipid envelope surrounding the capsid.
Since viruses cannot self-reproduce, host cells are crucial to their replication and production.
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2. How does zygote develop into an embryo inside the mother's womb?
(a) The cells in zygote fuse with gametes to form embryo.
(b) The cells in zygote multiply in number to form embryo.
(c) The cells in zygote fuse with each other to form embryo.
(d) The cells in zygote reorganize themselves to form embryo.
Answers
Answer:
(b) The cells in zygote multiply in number to form embryo.
Explanation:
Which conclusion is best supported by the information?
Answers
Answer:
A
Explanation:
You can replant and gain more crop from seeds. Therefore it is a renewable resource.
Read the article and use the information to answer
the following questions.
Aquatic Biomes
Describe the parts of an ecosystem found in
estuaries. Remember, ecosystems include living
and nonliving things.
DONE
Answers
Freshwater and marine regions make up the aquatic biome. The concentration of salt in freshwater areas like lakes and rivers is low. Salt concentrations are higher in marine areas like oceans and estuaries. They are arranged in descending order of size organism, population, community, and ecosystem.
The biological progressive aquatic system alludes to the collaboration of living beings with their current circumstance and prompts the development of a gathering of creatures. It is gathered into four levels: individual, populace, local area, and biological ecosystem level.
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i.Name two heart diseases in humans.
ii.State three causes of heart diseases.
Answers
Answer:
Arrhythmia
Atherosclerosis
Common causes of heart diseases
Diabetes.
Drug abuse.
Excessive use of alcohol or caffeine.
High blood pressure.