Cystic fibrosis is caused by a recessive loss-of-function mutation that encodes a protein called the ________
A) cystic fibrosis transmembrane ion channel
B) chloride ion transmembrane conductance regulator
C) cystic fibrosis transmembrane conductance regulator
D) cystic fibrosis ion channel regulator
C
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If a botanist hybridizes two pea plants with purple flowers and a resulting plant produces white flowers, the white flowers are considered a ______ trait.
a. recessive b. regressive c. dominant d. hybrid
Four of the five answers listed below are
anthropoids. Select the EXCEPTION.
a. gorilla b. human c. tarsier d. lemur e. monkey
Insulin-like growth factors can induce all of the following actions except:a
promoting linear growth of the skeleton. b. stimulating growth of cartilage. c. promoting protein synthesis. d. promoting the mobilization of fat. e. increasing organ size.
Which of these animals has a heart with only two chambers?
A) Hummingbird B) Cat C) Human D) Goldfish E) Bullfrog