Fats are composed of fatty acids and ________, which can both be metabolized for the production of ATP.
A) amino acids
B) monosaccharides
C) nucleic acids
D) glycerol
Ans: D) glycerol
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The amniotic egg evolved as an adaptation
A. against predation. B. to insure survival in the uterus. C. to prevent desiccation. D. to permit the embryo to develop undisturbed up to the time of hatching.
Where a branching point in a phylogenetic tree is called a _______ ; it illustrates that _______ has occurred.
A. break; death of a species. B. clade; birth of a species. C. node; cladogenesis. D. node; anagenesis. E. break; anagenesis.
Which of the following statements about methyl-directed mismatch repair systems is FALSE?
A. Methyl-directed mismatch repair systems are most often used to correct pyrimidine dimers. B. Methyl-directed mismatch repair systems require exonucleases. C. Methyl-directed mismatch repair systems require the concerted actions of several proteins. D. Methyl-directed mismatch repair systems recognize incorrectly matched base pairs in the DNA. E. Methyl-directed mismatch repair systems exist in all species.
The size of a metabolizing cell is limited by its
A. surface area-to-volume ratio. B. nuclear size. C. function. D. extracellular matrix. E. genome size.