Which of the following is themuscle protein that binds and stores oxygen to maintain aerobic conditions in actively contracting muscle?

A. hemoglobin
B. myoglobin
C. troponin
D. calmodulin


B

Biology & Microbiology

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A mutant protein has been designated as G189A. What does this designation reveal about the mutation?

A. That a G nucleotide has been exchanged for an A nucleotide 189 bases from the 5' end of the coding region. B. That a glycine in position 189 of the protein is now an alanine. C. That an A nucleotide has been exchanged for a G nucleotide 189 bases from the 5' end of the coding region. D. That a glycine is now in position 189 of the protein instead of an alanine. E. That a nonsense mutation occurred at position 189 of the protein.

Biology & Microbiology

List at least three types of information provided by a karyotype and interpret the chromosomal structural abnormality written as 46,XX,t(18q)

What will be an ideal response?

Biology & Microbiology

A distinctive biome called a(n) _____ is found where a freshwater stream or river merges with the ocean

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Contractile vacuoles

A) are generally found in protists that inhabit salt water. B) help in the excretion of excess salt. C) prevent cells from bursting as a result of the influx of excess water. D) allow organisms to avoid dehydration by absorbing water from the environment.

Biology & Microbiology