The ________ secretes progestrone to help maintain the lining of the uterus & when not pregnant will break down.

Fill in the blank(s) with the appropriate word(s).


Answer: Corpus luteum

Biology & Microbiology

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An example of a mutagen that integrates into the double-helix of DNA resulting in the inhibition of DNA replication would be

A. EMS B. Nitrous acid C. 5BU D. 2-amino purine E. Acridine dyes

Biology & Microbiology

A female exhibits two major approaches in choosing a mate, selecting either the phenotypic characteristics of the mate or the

A) number of other females the male has in his harem. B) ability of the male to provide resources. C) number of offspring the male has previously produced. D) age of the male.

Biology & Microbiology

Females outnumber males in the tertiary sex ratio because genetic and ____________________ factors cause higher

death rates among males Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Allele frequencies change at ______ rate under mutation versus selection

a. the same b. a faster c. a slower d. a constant e. None of the above

Biology & Microbiology