A pollen grain in a plant represents the ________

A. male gametophyte
B. female gametophyte
C. male sporophyte
D. female sporophyte


A

Biology & Microbiology

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Which molecular method allows for the detection of a specific organism within a diverse microbial community?

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Horses typically can live around 30 years and a

healthy mare can produce one foal per year. Horses are __ species.

a. opportunistic b. type I c. K-selected d. r-selected e. more than one of these types of

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Damage to which of the following brain structures is most likely to be fatal?

A) caudate nuclei B) cerebellum C) brain stem D) cerebrum

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Which of the following types of mutation would convert a proto-oncogene into an oncogene?

A) a mutation that blocks transcription of the proto-oncogene B) a mutation that creates an unstable proto-oncogene mRNA C) a mutation that greatly increases the amount of the proto-oncogene protein D) a deletion of most of the proto-oncogene coding sequence

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