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Sonja [21]
2 years ago
10

What 4 chemicals do genes contain

Biology
1 answer:
morpeh [17]2 years ago
7 0

Answer:

A, C, G, and T are the "letters" of the DNA code; they stand for the chemicals adenine (A), cytosine (C), guanine (G), and thymine (T), respectively, that make up the nucleotide bases of DNA.

Explanation:

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What structures are found within the nucleus?
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Answer:

The eukaryotic cell nucleus. Visible in this diagram are the ribosome-studded double membranes of the nuclear envelope, the DNA (complexed as chromatin), and the nucleolus. Within the cell nucleus is a viscous liquid called nucleoplasm, similar to the cytoplasm found outside the nucleus.

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Why do animal cells burst when they are hypotonic?
vekshin1

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When animal cells are hypotonic means, the cell has absorbed too much water through the membrane. Therefore, the osmotic pressure is very high. Consequently,they deform and could eventually burst.

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Use what you know about natural selection to fill in the blanks in the hypothesis.It should answer the lab question what is the
Vinil7 [7]

Answer:

The correct answer would be -

If the type of food available changes, then the frequency of beak also changes because the beak of the bird suited to food will survive successfully.

Explanation:

According to the theory of natural selection, an organism that is able to adapt according to the change in the environment, it helps in their survival and increases their number in the system.

It is given that the type of food available is changing, so it will lead to the change in the frequency of bird beaks in that particular area. So, if they adapt to survive under the changes in the available food type, otherwise not be able to survive and die.

So,

If the type of food available changes, then the frequency of beak also changes because the beak of the bird suited to food will survive successfully.

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Read 2 more answers
Introns must be removed prior to translation of the mRNA. In addition, eukaryotic transcripts (mRNA) have to undergo two more st
Ivan

Eukaryotic transcripts (mRNA) have to undergo capping and splicing before it can be translated.

<h3>RNA processing:</h3>

1. An RNA transcript is first produced in a eukaryotic cell as a pre-mRNA, which needs to be converted into a messenger RNA (mRNA).

2. The RNA transcript is given a 5' cap at the start and a 3' poly-A tail at the end.

3. The process of splicing involves cutting out some RNA transcript segments (introns), then joining the remaining segments (exons) back together.

4. Some genes have the ability to alternate splices, which produces various mature mRNA molecules from the same beginning transcript.

The introns not only do not contain the information necessary to construct a protein, but they also need to be cut off in order for the mRNA to create a protein with the correct sequence. An mRNA with extra "junk" in it will be created if the spliceosome fails to remove an intron, and the translation process will result in the production of the incorrect protein.

Learn more about RNA transcript here:

brainly.com/question/13834206

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