Which of the following statements about prokaryotic mRNA molecules is false?
(a) A single prokaryotic mRNA molecule can be translated into several proteins.
(b) Ribosomes must bind to the 5? cap before initiating translation.
(c) mRNAs are not polyadenylated.
(d) Ribosomes can start translating an mRNA molecule before transcription is complete.
(b) Bacterial mRNAs do not have 5? caps. Instead, ribosome-binding sites upstream of the start codon tell the ribosome where to begin searching for the start of translation.
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Which of the following is the primary information needed to predict a country’s population growth?
a. the country’s population control policies b. the population’s standard of living c. the population’s age structure d. the country’s economic prospects
Binding of what protein initiates translation-termination events that result in polypeptide release and dissociation of ribosomal subunits?
What will be an ideal response?
Which proteins play a central role in the fusion of a vesicle with a target membrane?
A.) clathrin B.) Rab proteins C.) tethering proteins D.) adaptin E.) SNAREs
Which method would best meet the need in generating GM plants if food crops were threatened by invasive insect species?
A) selective breeding B) CRSPR-cas C) agrobacterium-mediated technology D) biolistic methods