The correct sequence for sperm movement is from the epididymis to the ________ to the urethra
A) vas deferens
B) rete testes
C) seminiferous tubules
D) ureter
A
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The main purpose of preparing karyotypes is to ____
a. prepare for gene extractions b. determine gender c. determine which genes are on which chromosomes d. separate DNA into its component parts e. diagnose or rule out certain genetic disorders
Through _____ , a body part of an ancestor is modified differently in different lines of descent
a. morphological divergence b. adaptive divergence c. morphological convergence d. homologous evolution e. natural selection
Due to biological magnification, which of the
following have the highest concentration of a chemical herbicide?
a. grass- the dominant primary producer b. cow- an herbivore c. grasshoppers - an herbivore d. mice - predators of butterflies e. hawk - predators of mice
Why do heavy consumers of alcohol gain weight?
a. Alcohol contains an excessive amount of calories. b. Ethanol is converted directly to fat molecules. c. Oxygen is diverted from breaking down fatty acids to break down ethanol. d. Ethanol inhibits the action of peroxisomes which work to break down fatty acids. e. The hydroxyl group on ethanol is transferred to fatty acids causing them to be stored as fat.