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Nutka1998 [239]
2 years ago
11

Imagine that you could compare your DNA with the DNA of your best friend. How would your DNA be similar? How would it be differe

nt?
Biology
1 answer:
Cerrena [4.2K]2 years ago
8 0

Answer:

if im using my friend, i would say her DNA is made up of different chromosomes and that hers is much different from mine. everyone's DNA is different and there are always quite a few differences.

Explanation:

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Eduardwww [97]

Answer:

chemical change.

Explanation:

There are two types of changes in matter: physical change and chemical change.

physical change- it is a change in matter that alters only its physical properties or its physical appearance. This type of change is reversible. For example- freezing of water, the water turns into solid ice and it can be reversed by melting the ice.

chemical change- it is a change in matter that alter its chemical and thus its physical properties. Most chemical changes are irreversible. for example- burning of paper, results in black soot and ashes- Thus changing both physical and chemical properties.

7 0
2 years ago
Viral STIs are not curable and can only be controlled with medications.<br> a. True<br> b. False
yanalaym [24]
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3 years ago
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When the protein gramicidin is integrated into a membrane, an H+ channel forms and the membrane becomes very permeable to proton
jeka57 [31]

Answer with Explanation:

Gramicidine is an antibiotic that has a polypeptide structure and is composed of 3 chains. This molecule can adopt a structure called beta 6-3 helix, so as to form a channel through the cell membrane of bacteria which allows the passage of ions (in this case cations) such as H +, K + or Na +, this situation leads to that in the cell alterations in the content of cellular cations are generated, among the effects the loss of potassium that can cause the death of the cell due to hemolysis due to alteration in the permeability of the membrane is highlighted. This effect is known as the ionophore effect.

An ionophore effect leads to the inhibition in the release of H + to the mitochondrial electronic transport chain.

Gramicidin thanks to its mechanism of action, when it produces interference specifically in a cellular organelle called mitochondria in the inner mitochondrial membrane, it is responsible for interrupting the passage of electrons, alters the gradient of H + and the performance of the enzyme called ATP- synthase which is responsible for producing ATP.

The damage that the entire previous situation produces on oxidative phosphorylation, leads to the refusal of ADP refosphorylation, then ADP and its hydrolysis products will accumulate, and finally the result will be a decrease in ATP levels.

3 0
2 years ago
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dalvyx [7]

Answer:

D, provides the body with building blocks.

Explanation:

Along with calcium and vitamin D, milk contains proteins, which your cell uses for so many countless functions.

6 0
3 years ago
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Svet_ta [14]

Answer:

its A i promise

Explanation:

i did not take the test and im guessing :))))

3 0
2 years ago
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