One kind of acid rain forms when _____ from coal-fired power plants combines with water vapor in the air
a. nitrogen oxides
b. sulfur dioxides
c. sulfuric acid
d. calcite
e. aluminum
b
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An individual with Duchenne muscular dystrophy is
likely a __________ who will most likely not live beyond the __________. a. female; teens b. male; twenties c. female; forties d. male; fifties e. male; late thirties
What type of signal transduction process is first initiated when an odorant binds with a receptor on a cilium of an
olfactory receptor? a. Ionotropic receptors lead to the synthesis of cyclic AMP. b. G protein receptors lead to the synthesis of cyclic AMP. c. Ca2+ gated chloride channels lead to the synthesis of cyclic AMP. d. Ionotropic receptors lead to the activation of G proteins.
e. Cyclic AMP gated channels lead to the activation of G proteins.Suppose that your mother and father are both healthy but carry the allele for cystic fibrosis, which is caused by a recessive allele. What are the odds of you having at least one allele for the disorder?
a. 1 in 4 b. 1 in 2 c. 3 in 4 d. 1
The minimum viable population is the
A) smallest number of males needed to maintain a population. B) number of organisms that can reproduce in a population. C) number of organisms that can be spread over a fragmented habitat. D) number of organisms produced by an inbred population. E) smallest number of organisms capable of maintaining a population.