You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. What type of reproduction do you hypothesize that this organism uses?
A) budding
B) binary fission
C) copulation
D) external fertilization
A
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In humans, xeroderma pigmentosum is a disorder of the nucleotide excision repair mechanism. These individuals are unable to repair DNA damage caused by ultraviolet light. Which of the following are the most prominent types of DNA lesions in individuals su
A) mismatch errors B) telomere shortening C) methylation of purines D) thymine dimers
Which of the following represents a mechanism of genetic transfer in bacteria?
A. Transformation B. Transduction C. Conjugation D. All of the answers are correct
A cluster of cases in a specific population occurring in a brief period of time is called a(n)
A. endemic. B. pandemic. C. outbreak. D. attack break.
Males and females often differ in their reproductive strategies due to the fact that males can increase
the number of offspring they produce by ____ while females reproduce most successfully by ____.
a. mating with a high-quality female; mating with a high-quality male b. driving off other males; defending a productive territory c. defending a productive territory; enlisting multiple males to aid in raising her offspring d. mating with multiple females; mating with a high-quality male e. mating with multiple females; mating with multiple males