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lawyer [7]
3 years ago
9

Of the six species of seals found in antarctica, four of them breed on the actual ice in the spring months. which species of sea

l are ice experts?
Biology
1 answer:
victus00 [196]3 years ago
8 0
Crab eater, wedded, ross, and leapard.
Hope this helps :)
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The enzyme glucose oxidase isolated from the mold penicillium notatum catalyzes the oxidation of β-d-glucose to d-glucono-δ-lact
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3 years ago
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Cite the three main types of RNA and describe briefly the function of each.
sveticcg [70]

Answer:

mRNA: Carry genetic information from DNA to protein; serve as template for protein synthesis.

tRNA: Serves as adapter molecule and deliver specific amino acid from the cell pool to the mRNA-ribosome complex.

rRNA: Structural component of ribosomes.

Explanation:

There are three types of nongenetic RNAs: mRNA, tRNA, and rRNA.  

1. The messenger RNA (mRNA) is formed by the process of transcription in the nucleus. Transcription uses template strand of DNA to specify the nucleotide sequence in mRNA. The mRNA enters cytoplasm to join ribosomes. The nucleotide sequence of mRNA serves as a template and specifies the amino acid sequence of proteins.  

2. The transfer RNA (tRNA) serves as an adapter molecule during the process of protein synthesis and binds to the specific amino acids to deliver them to the protein-synthesizing machinery. The anticodon of tRNA binds to the complementary mRNA codons.  

3. The ribosomal RNA (rRNA) serves as structural components for ribosomes. Each of the subunits of ribosomes is made up of rRNA and proteins.  

8 0
3 years ago
Explain why DNA is called a molecular clock.
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The molecular clock is a figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged. The biomolecular data used for such calculations are usually nucleotide sequences for DNA or amino acid sequences for proteins.

Explanation:

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When a racher puts cattle in a pasture, what happens to the amount of grass in it?​
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Explanation:

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What causes gene flow? (a p e x)
horsena [70]

Answer:

  i hope this helps!   :)

Explanation:

gene flow is a movement of the genes in or out of population. This movement can be caused by the migration of organisms that reproduce in the populations. Or the movements of the gametes

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