Anoxygenic phototrophs grow photosynthetically only under aerobic conditions
Indicate whether this statement is true or false.
FALSE
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If the nucleotide sequence in a DNA template strand is GGCTTAACCATT; the complementary mRNA strand will
have the sequence ____________________. Fill in the blank(s) with the appropriate word(s).
The laboratory technique used to separate the DNA fragments produced by automated DNA sequencing is:
A. the polymerase chain reaction B. gel electrophoresis C. ultracentrifugation D. electron microscopy E. fluorescence microscopy
Which of the following is a "cost" associated with sexual reproduction?
a. other than mutation, no new genetic diversity in the next generation b. requires time/energy to find/court mat c. only females can produce offspring d. disruption of beneficial allele/trati combinations e. none of the aboves are costs associated with sexual reproduction
Even though DNA polymerase has a proofreading function, it still introduces errors in the newly synthesized strand at a rate of 1 per 107 nucleotides
To what degree does the mismatch repair system decrease the error rate arising from DNA replication? (a) 2-fold (b) 5-fold (c) 10-fold (d) 100-fold