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zhannawk [14.2K]
4 years ago
8

Edwin Hubble discovered that:

Biology
1 answer:
Alexxandr [17]4 years ago
4 0
The correct answer is: Galaxies in the universe are moving away from the earth.
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Modern cetaceans, the taxonomic group that includes whales, dolphins, and porpoises, evolved from land mammals. However, it has
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Answer:

Taxonomy may be defined as the branch of biology that mainly deals with the classification, arrangement and nomenclature of the organism. Organism are classified into the different taxa depending on their similarities and differences.

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To map genes of a bacterial strain, conjugation must be interrupted at given times. Suppose you have Hfr cells of genotype a+b+c
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The answer is not in any of the options and is the following:

to eliminate any remaining Hfr cells.

Explanation:

In a medium that has a streptomycin antibiotic it is used to kill Hfr donor cells after the conjugation is interrupted. This is entirely due to the streptomycin sensitivity allele (str-s) which are found in Hfr strains. The presence of the streptomycin resistance allele, located in the receptor, is used for the specific destruction of Hfr donor cells after conjugation occurs.

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What is the key difference among the 20 amino acids that are used to make proteins?
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Answer:

Attached R side groups

Explanation:

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Thus, the presence of different R group is the key difference in 20 amino acids.

4 0
4 years ago
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3 years ago
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8 0
3 years ago
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