Trichomoniasis is the only known STI caused by a protozoan
Indicate whether the statement is true or false
TRUE
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DNA ligase is responsible for repairing thymine dimers caused by UV light
A. true B. false
Darwin's theory of evolution is supported by many modern pieces of evidence. Check all that apply.
A. Human population growth. B. Comparative studies of animal structures. C. An understanding of the mechanism of heredity. D. New measurements of the age of the earth. E. Similarities in DNA of related species.
A rock-dwelling species of cichlids in Lake Malawi is divided into many separate popu-lations. Assuming this species originated with a large number of alleles at any given lo-cus, one would expect:
a. many alleles would be lost from the species. b. most alleles would be retained in the species. c. population allele frequencies would diverge. d. B and C. e. None of the above.
Why do groups offer protection in foraging?
a. Large groups draw the attention of predators. b. Predator targeting increases with group size. c. The probability of predator attacks increases. d. Many eyes detect predators more quickly.