Why is DNA replication semiconservative?
What will be an ideal response?
DNA is replicated in a semiconservative process because this method has been hypothesized to be optimal for reducing replication errors in the copying process. This process involves opening the double-stranded DNA and using these strands as templates to produce new strands.
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The energy expenditure of a mammal at rest, in the postabsorptive state, and at a standard temperature is referred to as its
A. basal metabolic rate. B. standardized metabolic rate. C. baseline metabolic rate. D. activated metabolic rate. E. total metabolic rate.
The ____ is to flagellated protozoans as the
____ is to prokaryotes.
a. cytoskeleton; flagellum b. endoplasmic reticulum; ribosome c. fimbriae; Golgi body d. pellicle; cell wall e. cytoskeleton; plastid
If two populations are geographically restricted groups of the same species, but display one or more traits that are somewhat different, the two groups are sometimes classified as
A. subspecies B. ecotypes C. macrospecies D. morphological species E. subspecies or ecotypes
The resident microflora that can colonize the bladder and other structures of the urinary tract are:
a. Enterobacteriaceae. b. yeast. c. Propionibacterium acnes. d. Corynebacteria.