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Biology

1 answer:

bogdanovich [222]3 years ago

6 0

Answer:

except option 2 all of them are applied

Explanation:

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What is meant by the statement ""enzymes are biological catalysts""?.

Lesechka [4]

Answer:

Enzymes speed up the chemical reactions in living cells.

Explanation:

An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.

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2 years ago

62. In Figure 3-2, ionic attractions would form between the R groups of which amino acids?

HACTEHA [7]

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2 years ago

Read 2 more answers

Large molecules, such as glucose, that cannot cross the lipid bilayer can still move across the membrane through a type of passi

harkovskaia [24]

Facilitated diffusion. It is a passive transport mechanism in which carrier proteins shuttle molecules across the cell membrane without using the cell’s energy supplies. Instead, the energy is provide by the concentration gradient, which means that molecules are transported from higher to lower concentrations, into or out of the cell. The carrier proteins bind to glucose, which causes them to change shape and translocate the glucose from one side of the membrane to the other. Red blood cells use facilitated diffusion to absorb glucose.

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2 years ago

Describe how stem cells have the potential to treat sick people. ( in scientific words please).

Assoli18 [71]

Stem cells are undifferentiated cells that have the ability to differentiate into any kind of body cells like muscle, skin, heart etc.

There is alot of research being conducted on the stem cells because they have the potential to treat almost any kind of disease. This is because they are embryonic cells that can be specialized into a person's any type of body cells. When stem cells are specialized into the any kind of body's cells like cardiac, muscular, they can repair all the damaged cells and replace them with the new and healthy cells.

Currently, they are being used to repair:

Nerve cells that are damaged due to some injuries like stroke, spinal injury, Parkinson’s disease, Alzheimer's and other such neurological disorders.
They can repair insulin producing cells so millions of people can be treated against diabetes and other problems that arise due to diabetes like kidney and cardiac issues.
They have the ability to repair almost any kind of injured tissue.
They can provide clues of muscle re-pairment like how organs are repaired after an injury, trauma or problem like heart attack.
Stems cells can be used to make new drugs and minimize the side effect of the drugs.
This is a fascinating area of science that has the potential to repair any damaged organ of human without getting it replaced by a new one.

Hope it help!

3 0

3 years ago

Describe how heat affects the state of matter of a substance. Thank you!❤

Darina [25.2K]

Heat creates energy... the atoms move faster and faster, which changes the state of matter.
for example:
if a solid is heated, it turns to a liquid
if a liquid is heated, it turns to a gas

hope this helps?

3 0

2 years ago