The number of initiations of transcription from a promoter that has the sequence 5'-TAGCAT-3' will be greater than the number of initiations from a wild-type promoter
Indicate whether the statement is true or false
FALSE
Explanation: It will be fewer than the number of initiations from a wild-type promoter.
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Which of the following organelles can be found in all prokaryotes and eukaryotes?
a. ribosomes b. cell membrane c. capsule d. ribosomes and cell membrane
What is the genotype of the females that gave rise to these progeny?
Females heterozygous for the recessive second chromosome mutations px, sp, and cn are mated to a male homozygous for all three mutations. The offspring are as follows:
A) px+sp cn / px sp+cn+
B) px+sp cn+ / px sp+cn
C) px+sp+ cn+ / px spcn
D) pxsp cn+ / px+ sp+cn
E) insufficient data
The organization of the lac operon, from upstream to downstream sequences, is represented by:
a. repressor gene -> lacZ -> lacY -> lac A b. lacZ -> lacY -> lac A c. lacZ -> lacY -> lac A -> operator -> promoter d. operator -> promoter -> lacZ -> lacY -> lac A
e. promoter -> operator -> lacZ -> lacY -> lac AThe case of the anorexic student illustrated the role of ________ in the etiology of anoerxia.
(a) stimulus anticipation (b) punishment (c) conditioned-taste aversions (d) the high positive incentive value of food