Natural selection acts directly on the genotype of an organism

_______ Indicate whether the statement is true or false.


F, phenotype

Biology & Microbiology

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Stop codons are also called ________ codons

A) nonsense B) release factor C) degeneracy D) conversion

Biology & Microbiology

Explain why organisms undergoing rapid evolutionary change often contain relatively large numbers of mobile DNA elements, whereas once organisms settle into a stable evolutionary niche, most of these mobile elements are lost

What will be an ideal response?

Biology & Microbiology

Explain how a polar molecule, such as water, can have a difference in electrical charge but is also electrically neutral

What will be an ideal response?

Biology & Microbiology

The buildup of mucus and blockage of airways in pertussis is due to

A. endotoxin. B. lipopolysaccharide. C. toxins that destroy the ciliated cells of the respiratory tract. D. Pseudomonas aeruginosa. E. the presence of a capsule.

Biology & Microbiology