Which of the following is NOT an adaptation used by marine mammals to extend dive times?

a. size-relative increase in blood volume.
b. increase in erythrocyte count
c. size-relative increase in lung volume
d. elevated concentration of muscle myoglobin
e. reduced circulation to nonessential organs


C

Biology & Microbiology

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A translocation cross may occur in an individual that has a(n)

A. reciprocal translocation B. unbalanced translocation. C. simple translocation. D. All of the answers are correct

Biology & Microbiology

Resting zone

What will be an ideal response?

Biology & Microbiology

Choose the description below that best matches the current model of RNA polymerase holoenzyme.

A. A core enzyme composed of five polypeptides bound by ribosomes. B. A core enzyme composed of five polypeptides bound by a transcription factor. C. A core enzyme composed of five sigma factors bound by a polypeptide chain. D. An open complex or "bubble" formed by DNA, mRNA, and RNA polymerase.

Biology & Microbiology

Two large, open spaces called the ________ contain three convoluted shelflike bones that increase the surface area for conditioning inhaled air

Fill in the blank(s) with correct word

Biology & Microbiology