#Question id: 2819
#Unit 2. Cellular Organization
A typical eukaryotic gene consists of which of the following elements?
a. internal ribosome binding sites b. introns c. exons d. enhancers
#Question id: 2820
#Unit 2. Cellular Organization
Multiple mRNAs can arise from a primary transcript by use of alternative
a. splicing. b. poly(A) sites. c. promoters. d. ribosome binding sites.
#Question id: 2821
#Unit 2. Cellular Organization
Which of the following is (are) encoded by multiple genes present in the human genome?
a. ribosomal RNA b. transfer RNA c. histone d. lysozyme
#Question id: 2822
#Unit 2. Cellular Organization
Transposition by a bacterial insertion element
a. occurs at a frequency of approximately 1 in 10^3 cells per generation.
b. can inactivate an essential gene.
c. is mediated through a RNA intermediate.
d. requires the enzyme transposase
#Question id: 2823
#Unit 2. Cellular Organization
Transposition by a retrotransposon requires activity of which of the following enzymes?
a. RNA polymerase b. reverse transcriptase
c. DNA methylase d. DNA polymerase
#Question id: 2824
#Unit 2. Cellular Organization
Plant mitochondrial DNA
a. is the same size as human mitochondrial DNA.
b. encodes a 5S mitochondrial rRNA.
c. contains multiple copies that recombine with each other.
d. uses the standard genetic code.