An allele at locus A is more likely than an allele at locus B to remain linked to the allele for barred eyes.
a. true
b. false
Ans: b. false
(Genes that are closer together are less likely to be recombined through crossing over.)
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Transcription factors function in the expression of genes by
A) initiating replication. B) associating to initiate translation. C) turning transcription of specific genes on or off. D) halting the activity of RNA polymerase at the end of transcription.
Imprinting is a
a. response to a stimulus. b. learned behavior that occurs during a critical time period. c. fixed action pattern. d. decline in the level of a response to a nonthreatening stimulus. e. type of learning that involves solving novel problems
The nuclear lamina is built of proteins called
a. lamins. b. laminins. c. nucleins. d. nucleoplasmins.
Membrane proteins are not very soluble in water, because they possess long stretches of non-polar amino acids that are
A. too long to interact with the water molecules. B. hydrophobic. C. are transmembranal. D. hydrophilic. E. used as transport channels.