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shusha [124]
3 years ago
11

I am a nucleic acid. ONLY RNA ONLY DNA BOTH DNA AND RNA

Biology
1 answer:
Ksenya-84 [330]3 years ago
6 0

Answer:

both

Explanation:

both classes are na's

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Consider two very distantly related species, Species A and Species B. These species live in distinct but similar environments an
never [62]

Answer:

convergent evolution

Explanation:

If we have two species that share a similar trait or look alike a lot, but they live in places isolated from each other, and they only have a very distant relation, then it is a case of convergent evolution. This type of evolution occurs with species that are not closely related, but they live in environments where having the same or very similar traits is advantageous. This can often lead to a confusion when looking at the species only on the outside, and it can be very misleading. As an example we can take the sabretoothed predators that existed in the past. Both the smiloden and the thylacosmilus had large saber like teeth, and even their bodies looked very similar, so one would assume that they are closely related, but that was not the case. The smilodon was part of the cat family, while the thylacosmilus was a marsupial, making them very distantly related. They developed same same and some very similar traits because their environment created the evolutionary pressure for those traits to develop as they were advantageous, despite them evolving in totally different places and separately.

8 0
3 years ago
What is a pikachurin
frosja888 [35]

Pikachurin, also known as AGRINL and EGF-like, fibronectin type-III and laminin G-like domain-containing protein, is a protein that in humans is encoded by the EGFLAM gene

4 0
3 years ago
What challenges do you think parasites face in their survival? How can these challenges affect the parasite?
Greeley [361]
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
7 0
3 years ago
If substances A and B are both in the solid phase and are at the same energy level, which of the two substances will need to hav
Keith_Richards [23]
Look at the photo for reference if you still need help unless you haven’t gotten it yet.

4 0
3 years ago
Read 2 more answers
When neurons "fire," the first thing that happens is that sodium ions enter the cell. this does not require an input of energy.
Karo-lina-s [1.5K]

Answer;

One can infer that membrane transport proteins are required in order for neurons to fire.

Explanation;

Transport proteins are proteins that transport substances across biological membranes. Transport proteins are found within the membrane itself, where they form a channel, or a carrying mechanism, to allow their substrate to pass from one side to the other.

-Transport proteins transport materials such as; ions such as sodium and potassium; sugars such as glucose; proteins and messenger molecules; and many more. In neurons, they  play a fundamental role in the functioning of nerve cells. These transporters, a third class of membrane transport proteins, move a wide variety of ions and molecules across cell membranes.

5 0
3 years ago
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