The male gametophyte becomes
a. ovules.
b. seeds.
c. pollen grains.
d. cones.
e. sperm cells.
Answer: c
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Kinesins, dyneins, and myosins are all
a. components of microtubules. b. components of microfilaments. c. components of intermediate filaments. d. motor proteins. e. involved in moving chromosomes.
Statements below about Microarray are true EXCEPT
A) Microarray is a technology known as DNA chips. B) Microarray allows for the analysis of global gene expression. C) Microarray allows for the hybridization of RNA or DNA. D) Microarray is used to compare the expression of different genes under different growth conditions. E) Microarray is used to compare global protein modifications in diseased or normal tissues.
A bacterial cell is found to be motile and resistant to high temperature and phagocytosis. What structure does this cell probably have?
A. Flagella, pili, plasmid B. Flagella, pili, capsule C. Endospore, capsule, ribosome D. Endospore, flagella, capsule
The thymus produces ________, a hormone that stimulates the maturation of specialized white blood cells called T cells
A) testosterone B) thyroxine C) ACTH D) thymosin E) insulin