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frozen [14]
3 years ago
14

Why is DNA’s shape considered a “double helix,” but RNA’s structure is not considered a double helix?

Biology
1 answer:
bija089 [108]3 years ago
7 0
Because DNA is shaped in the form two helix combined thus creating a double helix. RNA is not shaped this way, instead it is shaped as a sort of twisted half ladder compared to DNA’s twisted full ladder shape
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West Indian manatees are large aquatic mammals that live in rivers and near shore estuaries, especially in Florida. They have tw
Arisa [49]

The existence of pelvic bones and toenails in manatees and elephants

suggests that manatees and elephants evolved from the same land animal

best supports evolution theory.

<h3>What is Theory of Evolution?</h3>

It states that evolution relies on natural selection and involves changes

which occurs in the features of organisms over a long period of time.

The elelphant and manatee having pelvic bones and toenails means they

evolved from the same land animal.

Read more about Evolution here brainly.com/question/1596717

3 0
2 years ago
All cells go undergo mitosis at least every 12 weeks. TRUE OR FALSE?​
slega [8]
<h2>I BELIEVE YOUR ANSWER IS FALSE </h2>
5 0
3 years ago
Imagine that you live in the midlatitudes—say, Virginia—and a cyclone passes by. What is the correct sequence of events?
Bas_tet [7]

Answer:

First a warm front then a cold front.

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The cyclone formation occurs at the low polar vertices. The two main types of front are related to the cyclone. The warm front first form for the air movement. This warm front is later replaced by the formation of the cold front of that cyclone.

Thus, the correct answer is option (3).

4 0
3 years ago
Proteins are broken down into _____ that can be actively transported across the intestinal wall.
Lena [83]
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4 0
3 years ago
Robert Koch is credited with the discovery of mycobacterium tuberculosis in 1876 true or false?​
4vir4ik [10]

Answer:

false

Explanation:

On March 24, 1882, Dr. Robert Koch announced the discovery of Mycobacterium tuberculosis, not 1876

6 0
3 years ago
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