The protein found in muscle cells that stores and then releases oxygen when needed is called:.

Answers

Answer 1

Answer: Myoglobin

Explanation:

Myoglobin is found in muscles cells and supplies oxygen to myocytes.


Related Questions

A biodiversity hotspot is a region that has lost at least

Answers

Answer:

diversity throughout all living organisms

To be classified as a biodiversity hotspot, a region must have lost at least 70 percent of its original natural vegetation, usually due to human activity. There are over 30 recognized biodiversity hotspots in the world.

Which methods are commonly used by sysadmins to organize issues? check all that apply

Answers

The methods which are most commonly used by the sysadmins to organize issues are;

Random machine checks.Service monitoring alerts.

Which methods are commonly used by sysadmins to organize issues?

In a bid to further enhance early detection of issues, it has become standard practice to carry out random machine checks at frequent intervals and enable service monitoring alerts. The combination of the aforementioned techniques helps sysadmins detect faults early before they get out of hand.

Remarks;

Random machine checks

Daily checks on each machine

Service monitoring alerts

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explain how training can heal a horse broken bone?

Answers

Training can heal a horse broken bone due to increased blood flow to the affected area.

What is Training?

This involves the development of skills or body of an individual through programs or physical activities.

Physical activities ensure that the required nutrients in the blood reach and nourishes the bone which then helps in the healing process.

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Some Archaea live at extreme ____________.

Answers

Some Archaea live at extreme conditions.

Archaea

They are a group of microscopic, single-cell, prokaryotic organisms that are similar to bacteria but found in extreme places in the environment.

The extreme conditions under which Archaea have been found include hydrothermal vents, hot springs, high saline waters, low/no oxygen environments, etc.

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In the nebular hypothesis, why did the nebula start to collapse?

Answers

Answer:

The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger. Eventually, the clump of dust and gas gets so big that it collapses from its own gravity.

Explanation:

what characterizes an organism

Answers

Answer:

movement, reproduction, Growth sensitivity,

Explanation:

these are all things that could be different about an organism which could make them different,

Answer:

tdutdutdututdd

Explanation:

gyrud7td7turdudutdutditditdtudugditdiyt

which organism causes gastroenteritis and is possibly transmitted through the respiratory route in addition to the fecal-oral route

Answers

An organism causes gastroenteritis and is possibly transmitted through the respiratory route in addition to the fecal-oral route Noroviruses.

What is gastroenteritis?

The term "gastroenteritis" refers to irritation and inflammation of the digestive tract, including the stomach and intestines.

The most common causes are viral agents, bacteria, parasites and food poisoning, and the most common complaints are diarrhoea, abdominal pain, cramps, nausea and vomiting.

Noroviruses are the leading cause of adult gastroenteritis in North America and are responsible for projectile vomiting in infected individuals.

Thus,  Noroviruses is the answer.

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when testing the temperature of catalase, why did the enzyme catalase work best at 37°c? (select all that apply.)

Answers

The catalase worked best at 37 °C because the temperature is optimal.

Enzyme and temperature

Enzymes are proteinous substances that are capable of speeding up the rate of biological reactions.

However, enzymes are very specific in actions and work best at a specific temperature range.

Below the temperature range, the activities of enzymes reduce and may even become denatured.

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Cell theory states that all living things contain one or more cells. why do you think chill theory meets the definition of a scientific theory? Do you think it should be a scientific law? Explain your response.

Answers

The cell theory meets the definition of a scientific theory, yes because the scientific theory refers to the well-proven explanation of aspects of the natural world.

What does the cell theory claim?

Cell theory states that all living things are composed of cells, the basic structural and organizational unit of all organisms, and that all cells come from pre-existing cells.

The cell theory is a scientific theory because it managed not only to theorize but also to prove in a way that supports the arguments of a scientific theory. When a theory can be proved in general, it becomes a law, so yes it could be a law.

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The effects of molecules other than substrate on allosteric enzymes are called

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The heterotropic effect is the effect of molecules other than substrate on allosteric enzymes.

What is the heterotropic effect?

The term "allosteric enzymes," which derives from the Greek "allo," which means "other," refers to enzymes that have a second site in addition to the active site. Enzymes can have many allosteric sites, which are these. They stand out because they can react to many circumstances in their immediate surroundings.Unrelated to the enzyme's substrate, a regulatory molecule is referred to as a heterotropic allosteric effector. The enzyme binds to can either be activated or inhibited by it.Carbon dioxide ([tex]CO 2[/tex]) is an excellent example of a heterotropic allosteric effector because it also functions as an effector of hemoglobin but is not an enzyme-substrate.

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What do you call a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors?

Answers

A chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.

What is second messenger?

A second messenger is a substance whose release within a cell is promoted by a hormone and which brings about a response by the cell.

This chemical is within the postsynaptic neuron that is indirectly activated by synaptic activity.

Thus, a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.

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Sample of practical recording
Aim:
Material required :
Procedure :
Observation :
Inference:

Answers

I need more details to answer your question

The word transcribe means 'to write out' and the word translate means 'to express in a different language'. Review the meanings of transcription and translation in protein synthesis. How do the technical meanings of these words relate to meanings of the words in ordinary language.

Answers

The word transcribe means 'to pass the code from DNA to RNA', whereas the word translate means 'change from mRNA to protein', which is a different language.

What is the genetic code?

The genetic code is a series of instructions that indicate how to synthesize proteins from a given gene sequence.

During transcription, the DNA gene sequence is transcribed into a messenger RNA (mRNA).

During translation, triplets of nucleotides or codons in mRNA determine specific amino acids in the growing protein sequence.

In conclusion, the word transcribe means 'to pass the code from DNA to RNA', whereas the word translate means 'change from mRNA to protein', which is a different language.

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Question 7 of 10
How much of Earth is covered in water?
OA. 50%
B. 95%
OC. 25%
OD. 75%

Answers

B 95% if you want to be technical it’s 96 however that’s the closest so it would be the most logical to use b 95%
B 95% there’s a lot of water

PLEASE HELP !!!!!Which of the following describes a process of succession after a forest fire?
O A. Small plants and trees grow back at the same time.
OB. Animals and plants both grow in the area. C. Small plants grow but are eventually replaced by larger plants.
D. Two types of plants grow side by side.​

Answers

Answer:

c) small plants grow but eventually replaced by larger plants.

Put the following events of the neuromuscular junction in the order in which they occur. 1. Action potential is propagated in the sarcolemma. 2. Acetylcholine binds to ligand gated sodium channels. 3. Action potential arrives at the neuromuscular junction. 4. Vesicles full of acetylcholine are stored at the axon terminal. 5. Acetylcholine is released into the synaptic cleft.

Answers

Muscle contraction occurs when somatic neurons and muscle fibers connect through neuromuscular synapse. The order of events is 4, 3, 5, 2, 1.

How does muscle contaction occur?

Muscle fiber contractions are due to stimulation produced by somatic motor neurons, when their axons get in contact with muscle fibers through a neuromuscular synapse.

The sequence of events during muscle contraction is as follows,

1) At rest, attraction strengths between myosin and actin filaments are inhibited by the tropomyosin.

2) An action potential originates in the central nervous system, and travels to the somatic motor neuron membrane, where it activates the calcium channels.

3) Calcium channels open and the ions get into the neuron.

4) Calcium makes vesicles fuse with the membrane.

5) Vesicles release the neurotransmitter acetylcholine (Ach) into the synaptic space at the juncture.

6) Ach moves through the synaptic cleft and binds to its receptors on the skeletal muscle fiber.

7) This recognition event causes the ion channels to open,

sodium ions cross the membrane to get into the muscle fiber (sarcoplasm), potassium gets out.

8) The difference in charges caused by the migration of sodium and potassium makes the muscle fiber membrane turns more positively charged (depolarized).

9) The action potential caused by the depolarization enters the t-tubules. Consequently, it depolarizes the inner portion of the muscle fiber.

10) Depolarization activates the T tubules membrane calcium channels and releases the ion into the sarcolemma.

At this point, tropomyosin is obstructing binding sites for myosin on the thin filament.

11) When calcium binds the troponin C, the troponin T alters the structure of tropomyosin by moving it and unblocks the binding sites.

12) Myosin binds to the uncovered actin-binding sites, and while doing it, ATP is transformed into ADP and inorganic phosphate.

13) Z-bands are then pulled toward each other, thus shortening the sarcomere and the I-band and producing muscle fiber contraction.

According to this framework, the correct order of events is,

4. Vesicles full of acetylcholine are stored at the axon terminal.

3. Action potential arrives at the neuromuscular junction.

5. Acetylcholine is released into the synaptic cleft.

2. Acetylcholine binds to ligand gated sodium channels.

1. Action potential is propagated in the sarcolemma.  

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Producing oxygen, taking in carbon dioxide, and providing food, habitats, and lumber are just a few of the things that ______ do to benefit other organisms and the planet.

Answers

Answer: plants do to benefit

The table shows the osmotic potential of a range of sucrose solutions.

Concentration of sucrose/mol dm3
0.30
0.35
0.40
0.45
0.50
0.60

Osmotic potential/kPa
-860
-970
-1120
-1280
-1450
-1800

(a) Analyse the data in the graph and in the table to explain how the osmotic potential of tgese onion cells could be determined.

(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.

Answers

Explanation:

(b) Explain why the plant tissue was left in sucrose solution for 10 minutes before the cells were observed.

What is the relationship between velocity and speed

Answers

Speed is something pacing, increasing, or decreasing in its own acceleration. Velocity relates to speed because it is the same thing, except velocity is speed in a given direction.

Answer:

Relationship btw Speed and Velocity

Explanation:

Speed:

speed can only be positive.

Velocity:

Velocity can be positive, zero and negative in magnitude.

which structure is most likely found in green plants

Answers

The structure that is mostly found in green plants is chloroplast.

True or false? the chemiosmotic hypothesis states that the synthesis of atp generates a proton gradient that leads to electron flow through an electron transport chain.

Answers

Answer:

False

Explanation:

The chemiosmotic hypothesis states that the flow of electrons through an electron transport chain generates a proton gradient that leads to the synthesis of ATP. A proton gradient across chloroplast and mitochondrial membranes drives ATP synthesis by the enzyme ATP synthase.

what are accumulated cell Products that are never enclosed in a unit membrane called

Answers

The accumulated cell Products that are never enclosed in a unit membrane is called inclusion

What are cell inclusions?

Cell inclusion is defined as those pigment or nutrients that are found within the cell which is different from the cell organelles in both structure and function.

Example of cell inclusions are:

glycogen,

lipids, and

pigments.

Therefore, The accumulated cell Products that are never enclosed in a unit membrane is called inclusion.

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at which state of respiration does the co2 release that place

A. Krebs cycle.
B. Glycolysis.
C. Electron Transport System.

Answers

Answer: A. Krebs cycle

Use the model here to describe the transfer of matter and flow of energy from one trophic level to another within an ecosystem. All of the following must be addressed in your response to receive full credit:
a. Discuss the transfer of biomass when one organism eats another. Use your knowledge of digestion to discuss how food is broken down and used by the consumer.
b. Explain what happens to the energy that is not transferred from one organism to another.
c. Explain why there are typically fewer organisms at the top of an energy pyramid.
d. Use specific numbers and calculations to support your explanation.

Answers

The food chain and food web are used to transfer energy. Plants, who are the primary energy providers in the ecosystem, use their chloroplasts to collect sunlight, which is then partially converted into chemical energy during photosynthesis.

a)

When herbivores eat (are the primary consumers of) plants as food, this energy is transferred to the primary consumers in the food chain. This energy is stored in various organic products in plants. Then, the chemical energy contained in plant products is converted into kinetic energy, degrading the energy by turning it into heat. The secondary consumers come next. Further deterioration will occur when these herbivores are consumed by secondary consumers. Finally, energy will once more be destroyed when tertiary consumers eat the carnivores. As a result, the energy flow is only in one direction i.e., unidirectional.

b)

Additionally, the energy flow in a food chain adheres to the 10% law.This law states that only 10% of energy is transferred from one trophic level to the next, with the remaining 90% being lost during the digestion process of the organism itself.

c)

There are typically fewer organisms at the top of an energy pyramid because It has the least quantity of energy, the top level of an energy pyramid has the fewest organisms. Most ecosystems only have four trophic levels because there is eventually insufficient energy to maintain further trophic levels.

d)

For instance, let us assume that a plant at the producer level produces 1000 Kcal of energy.When a primary producer eats this plant, it will only get 10% of the energy produced by the plant i.e., 1000/10 = 100 Kcal. the rest 90% will be used up by the plant itself for its metabolism.Further when a secondary consumer eats the primary consumer, it will only get 10% of the energy produced by the plant i.e., 100/10 = 10 Kcal.Lastly, as the tertiary consumer eats the secondary consumer, it will only get 10/10 = 1kcal.

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what does the immune system protect the body against

Answers

Answer:

The immune system defends our body against invaders, such as viruses, bacteria, and foreign bodies.

Explanation:

They protect against harmful germs, parasites (such as worms), or cells (such as cancer).

the immune system defends our body

What happened if the temperature was too high for enzymes

Answers

If the temperature was too high for enzymes they would be denatured which is why they have optimum temperature they work with.

What is Denaturation?

This occurs when the structure of a protein is modified as a result of various factors.

Such factors include high temperature which results in the structure being changed and leads to the enzyme losing some properties needed for action.

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What factors do the kingdoms protista, plantae, fungi, and animalia have in common?

Answers

Protista,plantae, fungi, and animalia are all eukaryotes.

Corn is a monocot. According to the table above, does a corn seed have one or two seed leaves?​

Answers

Answer:

One

Explanation:

Corn are monocotyledon plant...They have only one shoot when they germinate.

Which of the following correctly compares Kinetic and Potential Energy?
Select one:
O a. Potential energy is stored energy and kinetic energy is the energy of motion.
O b. Kinetic energy is stored energy and potential energy is the energy of motion.
Potential energy is always zero.
Oc.
Od. Kinetic energy is always higher than potential energy.

Answers

hi :)

the answer is a. potential energy is stored energy and kinetic energy is the energy of motion.

hope this helps.

100 POINTS

e) The allele for small size is recessive, and the allele for normal size is dominant. The frequency for the normal-size allele is 0.72. What percentage of the rats are normal sized? (3 points)

Answers

Answer:

51.84%

Explanation:

p² + 2pq + q² = 1 and p + q = 1

p = frequency of the dominant allele in the population

q = frequency of the recessive allele in the population

p²  = percentage of homozygous dominant individuals

q²  = percentage of homozygous recessive individuals

2pq = percentage of heterozygous individuals

p = 0.72 => p² = 0.72² = 0.5184

=> Percentage of the rats are normal sized: 51.84%

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