The phenotype of an organism can best be determined by:
a) true-breeding.
b) a reciprocal cross.
c) sequencing its genes.
d) observing the organism.
e) inbreeding.
Ans: d) observing the organism.
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Destruction of which biome would result in the greatest loss of biodiversity?
A. desert B. grassland C. savanna D. taiga forest E. tropical rain forest
________ nerves carry impulses away from the central nervous system.
A. Afferent B. Motor C. Sensory D. Involuntary
The final step of the citric acid cycle oxidizes malate to oxaloacetate and reduces NAD+. What is the purpose of this
step?
a. to replenish the supplies of NAD+ b. to replenish free CoA c. to regenerate oxaloacetate to attach another acetate molecule d. to produce ATP by substrate-level phosphorylation e. to produce ATP by oxidative phosphorylation
The apical complex of apicomplexa is used for
a. defensive purposes. b. asexual reproduction. c. structural support. d. food absorption. e. attachment.