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VikaD [51]
2 years ago
10

What is the unit of muscular contraction called?

Biology
1 answer:
MaRussiya [10]2 years ago
8 0
A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction. The most popular model that describes muscular contraction is called the sliding filament theory.
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Answer B

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Why is it important to discuss why cancer comes back stronger
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To make the risk of getting cancer again and not surviving clear to everyone
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__________ is the name of the specialized enzyme that unzips the bonds between bases.
Alexandra [31]

Helicase is the name of the specialized enzyme that unzips the bonds between bases.

By severing the hydrogen bonds between base pairs and unwinding the DNA molecule's two strands, an enzyme known as Helicase aids in unzipping the molecule. It binds to and dissolves the hydrogen bonds connecting the bases on the DNA strands. These hydrogen bonds continue to be broken as the helicase travels along the DNA molecule, separating the two polynucleotide chains.

Primase, a different enzyme, momentarily binds to each strand when the helicase separates them in order to build a foundation upon which replication can start.

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brainly.com/question/13255962

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7 0
2 years ago
Recall that DNA and RNA are synthesized only in the 5'→3' direction and that DNA and RNA sequences are written in the 5'→3' dire
aleksley [76]

Answer:

<u>The Transcription mRNA</u>

5'- AUG-CCC-GUU-UGG-AGA-UCG-GGU-UAC-AGC-UAG-3'

<u>The translation product</u>

5' Met-Pro-Val-Trp-Arg-Ser-Gly-Tyr-Ser-3'

Explanation:

Transcription is a process which transcripts the DNA to a molecule called mRNA or messenger RNA which contains code for the synthesis of amino acids.

The RNA nucleotide base pairs are added in the same way as in the DNA that is guanine will bind cytosine but adenine will bind uracil instead of thymine.

Since the start codon is AUG which codes for methionine and stop codons could be UAG, UAA or UGA which do not code for the amino acids during translation.

In the given question,  

Looking for the start codon which is AUG in the template strand is found and the transcript mRNA thus will be coded as

<u>Template strand</u>

3' AACTT-TACGGGCAAACCTCTAGCCCAATGTCGATCAGTTTC 5'

<u>The Transcription mRNA</u>

5'- AUG-CCC-GUU-UGG-AGA-UCG-GGU-UAC-AGC-UAG-3'

<u>The translation product</u>

5' Met-Pro-Val-Trp-Arg-Ser-Gly-Tyr-Ser-3'

8 0
3 years ago
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