The tightly condensed non-functional X chromosome is called a(n) _____
a. Barr body
b. Y chromosome
c. autosome
d. X linked chromosome
e. Watson segment
ANSWER: a
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G proteins are inactivated when ____
a. GDP is converted to GTP b. GTP is converted to GDP c. the G protein rebinds the receptor d. the G protein is released from the receptor e. the receptor is broken down
External stimuli can result in prevention of binding of transcription factors by which elements?
a. distal control elements b. DNA bending proteins c. repressors d. promoters
Which of the following quantities of alcoholic
beverages have the least damaging effect on the liver? a. a bottle of beer b. a glass of wine c. a shot of vodka d. either a bottle of beer or a glass of wine e. all have the same amount of ethanol and therefore have similar effects on the liver
Which of the following is a eudicot?
a. palm b. corn c. oak d. orchid e. lily