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Marat540 [252]
2 years ago
13

What do we call a blood vessel that pumps blood away from the heart​

Biology
1 answer:
Kisachek [45]2 years ago
3 0

Answer:

Blood moves through many tubes called arteries and veins, which together are called blood vessels. The blood vessels that carry blood away from the heart are called arteries. The ones that carry blood back to the heart are called veins.

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Question 1 (2 points)
Blababa [14]

The amino acids coded triplets in the 3' to 5' strand on the normalp53 gene of chromosome 13 are lysine, leucine, Glutamine, stop codons.

Explanation:

mRNA is formed by the transcription of DNA strand coding for  a gene.

Any mutation in the DNA sequence even a difference of base pair would cause formation of different amino acids and hence altered protein.

The amino acid is formed in the step of translation where codes are read by tRNA on the mRNA strand and correct nucleotide is brought to growing polypeptide chain.

In transcription 3' to 5'  strand acts a template strand. The amino acids on the p53 gene of chromosome 17 is

3'TTT AAC   GTC    ATC 5'    Gene sequence

5' AAA UUG CAG   UAG 3'   mRNA

lysine, leucine, Glutamine, stop

8 0
3 years ago
Which example illustrates adhesion?
erastova [34]

Answer:

water droplets sticking to a window.

Explanation:

adhesion means sticking to, such as adhesive dressing tape, which is fabric that sticks to itself for injuries.

5 0
3 years ago
Read 2 more answers
Anyone know the answer to this question?
disa [49]

Answer:

1. hydrogen; 2

2. it means two strands of DNA twisted around each other like a winding staircase

7 0
3 years ago
How does the pressure in the chest cavity affect airflow?
kipiarov [429]
Pressure tightness and squeezing
5 0
3 years ago
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Why is dna not used directly as a code for protein synthesis and instead, a messenger rna must be transcribed?
xxTIMURxx [149]
Because dna is found on histone proteins in the nucleus and it cannot exit the nucleus each time info for protein making is needed
4 0
3 years ago
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