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astra-53 [7]
3 years ago
13

The G 1 stage of the cell cycle marks the beginning of the ________.

Biology
1 answer:
azamat3 years ago
7 0
The correct answer is cell cycle
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With the exception of the 12 cranial nerves, other major nerves exit the brain through the:
Oksana_A [137]
I think the answer should be medulla oblongata or foramen magnum.

The major nerves that leave brain should form a thick cord in the brain stem that called medulla oblongata. Medulla oblongata will pass a big hole in the base of the skull that called foramen magnum. Depends on what part the question asked(bone or tissue), it probably between those two options.
3 0
3 years ago
Compare each patient's cdna sequence to the wild-type cdna sequence. Each patient has one nucleotide-pair substitution mutation.
Lera25 [3.4K]

The mutation is a change in the nucleotidic sequence. In the exposed example, Patient 1: nucleotide 143, T<u>T</u>C⇒T<u>G</u>C. Patient 2: nucleotide 143, T<u>T</u>C⇒T<u>C</u>C. Patient 3: nucleotide 147, TT<u>C</u> ⇒ TT<u>G</u>.

<h3>What is a mutation?</h3>

A mutation is a change or alteration in DNI sequences that introduce new variants.

Many of these are eliminated, but some of them might succeed and be incorporated into each individual.

These mutations are the ones that have been selected by natural selection.

<h3>Solving the problem</h3>

We know that each sequence initiates with nucleotide number 103 and ends in nucleotide 162.

So first, we will number the nucleotides, from 103 to 162. Each nucleotide has a number in increasing order.

Now, we will identify the mutations in each of the strands by comparing them with the wild-type sequence. The mutation occurs in one of the nucleotides, so we must look for the change in the bases.

Finally, we will identify the nucleotide location of each mutation.

                   nucleotide                 wild-type                mutated

<u>                       location                 nucleotide              nucleotide      </u><u>           </u>

Patient 1            143                         TTC                         TGC

Patient 2           143                         TTC                         TCC

<u>Patient 3           147                          TTC                        TTG                         </u>

<u />

In the attached files you will find an image for a better understanding.

You will learn more about mutations at

brainly.com/question/4347425

brainly.com/question/17914937

 

3 0
2 years ago
How far away from my semester finals should I start studying?
tatuchka [14]
You should start studying a week before
8 0
3 years ago
The small intestine begins with the _____ and ends with the ___
weeeeeb [17]

The answer is it begins at the PYLORIC SPHINCTER and ends at the ILEOCECAL SPHINCTER. The pyloric sphincter is a group of smooth muscle at the joint between the pylorus of the stomach and the duodenum of the small intestine. It plays a vital role in digestion, where it acts as a valve to controls the flow of moderately digested food from the digestive to the small intestine. Ileocecal is a sphincter muscle valve that split up the small intestine and the large intestine.

7 0
3 years ago
What two body systems the immune system works with to keep you healthy
poizon [28]
The immune system, and the excretory system

(Honestly, all of them work to keep us 'healthy', but I believe these are the ones you're looking for)
6 0
3 years ago
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