The descriptive term ectotherm, when applied to reptiles, refers to the fact that:
a. they are warm-blooded
b. they derive their body heat from outside of their body by certain behaviors
c. their central body core works best when its temperature is the same as the ambient temperature
d. their optimum temperature for muscle contraction occurs only when the sun provides direct solar heat
e. they maintain their temperature by adjusting the production of metabolic heat
b
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Resident staphylococci in the ________ seldom cause disease
A) eyes B) upper respiratory tract C) lungs D) kidneys
Microbial species are collections of strains that share many stable properties in common but differ significantly from other strains.
Answer the following statement true (T) or false (F)
Which of these compares the protein-encoding DNA sequences of the genomes of the members of a family?
A) Punnett square B) Dihybrid cross C) Family exome analysis D) Pedigree analysis
Assuming resting conditions at sea level, what is the partial pressure of oxygen in systemic arteries?
A) 46mmHg B) 100mmHg C) 80 mm Hg D) 40 mm Hg E) 160 mm Hg