During a dive, a marine mammal experiences an increase in the partial pressure of dissolved gases of about 1
atmosphere for every ____ meter(s) in depth
a. 1
b. 5
c. 10
d. 15
e. 20
ANSWER: c
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In the dark, the Na+ channels in the outer segments of rod cells are
A. open. B. closed. C. primarily affected by inhibitory neurotransmitter input. D. important in making the cell hyperpolarized in this resting state.
Hybridization methods are based on:
a. the ability of two nucleic acid strands that have complementary base sequences to bond specifically with each other and form a double-stranded molecule. b. detecting phenotypic traits not detectable by conventional strategies. c. the principles of complementary nucleic acid hybridization with those of nucleic acid replication that are repeatedly applied through numerous cycles. d. determining the exact nucleotide sequence of a gene or gene fragment obtained from an organism.
__________ are teeth adapted primarily for tearing food
a. Bicuspids b. Canines c. Incisors d. Molars e. Premolars
From a human developmental standpoint, what is the significance of Hox genes?
What will be an ideal response?