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IgorC [24]
3 years ago
8

[100 POINTS]

Biology
2 answers:
Ostrovityanka [42]3 years ago
6 0

1.) resist external force

2.) attracted

3.) wash

Shtirlitz [24]3 years ago
6 0

1.Spread

2.attracting each other

3.force of attraction between watermolecules

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If crossing over does not happen the product is parental gametes. Meaning there is less genetic variation.
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Need a hypothesis for “How are proteins built from RNA”
Dima020 [189]

Hi!


Hypothesis:

<em>Proteins are built from the translation of messenger RNA (mRNA) molecules</em>


RNA, or ribonucleic acid, is a structure that is similar to DNA, except that it exists as a single strand, consists of a ribose sugar instead of a deoxyribose sugar and has the base uracil (U) instead of thyamine (T).


<h3><u>From DNA to RNA</u></h3>

RNA is generated through transcription of the DNA molecule, resulting in a <em>complementary </em>molecule of the template DNA strand. For instance, if the sequence of the DNA was:

ATGCGCAGTTATTGCGAT

The corresponding RNA sequence will be:

UACGCGUCAAUAACGCUA    <em>(complementary with U instead of T)</em>


<h3><u>From RNA to Protein</u></h3>

The RNA molecule in our case is known as the mRNA. After transcription the mRNA molecule is transported to the cytoplasm, where a ribosome binds to it for another molecule to translate the sequence. This translation is mediated by an RNA molecule known as the tRNA molecule which enters the ribosome to catalyze the reaction.

These molecules identify a sequence of 3 bases (codon) and for specific codon sequences, the tRNA allocates specific amino acid. For instance, for the codon <em>UCA</em>, the tRNA will allocate a <em>Serine residue.</em>

This translation process starts at specific three base sequences, known as start codons, and terminates at specific three base sequences known as stop codons.

In this manner, a sequence of amino acids respective to the mRNA codon sequence is synthesized, and as we identify proteins as chains of amino acids that are covalently linked together through peptide bonds, we can clearly see that proteins are built directly from RNA, and indirectly from DNA.


Hope this helps!


3 0
3 years ago
5._____________________is factual information that results from a scientific investigation. A.bias B.data C.assumption D.none of
Mnenie [13.5K]
D would be the correct answer
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To test how fertilizer affects tomato plants, a farmer divided a field of young tomato plants into 10 plots of equal size. The f
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B is the answer to the question

6 0
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The three major processes in the water cycle are salinity, evaporation, and precipitation.
vladimir2022 [97]

Answer:

Hey there!

That is false. The three stages in the water cycle are evaporation, condensation, and precipitation.

Hope this helps :)

3 0
3 years ago
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