An organism has been found to contain a defective form of photolyase. What function might be impaired in this organism?
A. Recognition of damaged DNA by the UvrABC complex
B. Repair of DNA damage caused by UV light
C. Stabilization of single-stranded DNA during DNA replication
D. Lengthening of the tips of chromosomes
Answer: B
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The combination of all the genes present in the human genome and those present in the trillions of microbes living in and on adults is known as the human ________.
Fill in the blank(s) with the appropriate word(s).
The evolution of a host race is due to the reproductive isolating mechanism called ____ isolation
a. behavioral b. temporal c. mechanical d. gametic e. ecological
Can an individual receive two STR alleles from the same parent?
a. yes b. no
Which type of metabolic pathway involves building biomass?
a. catabolic b. parabolic c. irreversible d. anabolic