How can bacteriophage DNA be spread from cell to cell without causing cell death? A) by altering the way a cell splices its RNA B) via a lytic cycle C) via a lysogenic cycle D) by altering its DNAThe mutation would be most harmful to the cells if it resulted in ______. A) a single nucleotide insertion near the start of the coding sequence B) a single nucleotide deletion near the end of the coding sequence C) a single nucleotide in the middle of an intron D) deletion of a triplet near the middle of the genePlant viruses ______. A) often use RNA, rather than DNA, as their genetic material B) benefit plants, rather than causing disease C) cause diseases that can be easily cured D) do not exist-viruses only attack animals42) The figure below shows the flow of genetic information in a eukaryotic cell. The transfer of information from DNA into an RNA molecule is known as ______.A) DNA replication B) transcription C) polypeptide D) translation43) Examine the genetic code table, shown below. The codon AGC codes for the amino acid ______. A) serine B) arginine C) threonine D) alanineHow is gametogenesis different in females than in males?Choose the correct answera. Males produce four functional sperm while females produce only one functional egg.b. Males produce only one functional sperm while females produce four functional eggs.c. Males produce four genetically identical sperm while females produce four genetically different eggs.d. Males produce four genetically different sperm while females produce four genetically identical eggs.45) If you were asked to study the pattern of bacterial growth (increase in numbers over time) during an infection, you would find that numbers of bacteria increase exponentially up to a certain point. Assume that you have been asked to interpret the growth of bacteriophages. You infect the host bacteria and measure the increase of phages over a defined period of time. You plot the results and get the graph shown here. The first thing you notice is that there is no immediate increase in viruses following infection. This is because ______.A) it takes the virus time to adapt to the host B) although the virus has infected the host, it takes time to complete the lytic cycle C) the host is immune to the virus D) the virus is in a lysogenic cycle throughout the experimentHIV (human immunodeficiency virus) must use its own ______ to reproduce. A) DNA polymerase B) reverse transcriptase C) RNA polymerase D) tRNAA(n) ______ is to bacteria as a ______ is to animal cells. A) retrovirus... virus B) phage... prophage C) prophage... provirus D) RNA virus... DNA virusDuring translation, what is the correct order of events that occur as an amino acid is added? A) codon recognition, peptide bond formation, translocation B) translocation, codon recognition, termination C) initiation, codon recognition, termination D) peptide bond formation, translocation, codon recognitionWhere is translation accomplished? A) lysosomes B) smooth endoplasmic reticulum C) ribosomes D) nucleoliIf a population has two alleles for eye color and the frequency of one allele is 0.41 what is the frequency of the other allele in the population?Enter you answer as an integerWhat is the ultimate source of genetic variation?If a population has two alleles for eye color and the frequency of one allele is 0.18 what is the frequency of the other allele in the population?Enter you answer as an integerIf a population has two alleles for eye color and the frequency of one allele is 0.44 what is the frequency of the other allele in the population?Enter you answer as an integerThe correct sequence of events occurring during transcription is ______. A) splicing, capping, tailing B) initiation, elongation, termination C) tailing, capping, splicing D) elongation, initiation, terminationThe expressed (coding) regions of eukaryotic genes are called ______. A) caps B) promoters C) exons D) intronsTranslation converts the information stored in ______ to ______. A) DNA... RNA B) RNA... a polypeptide C) DNA... a polypeptide D) RNA... DNAWhat type of chemical bond joins the bases of complementary DNA strands? A) ionic B) covalent C) hydrophilic D) hydrogenThe RNA that is translated into a polypeptide is ______ RNA. A) nuclear B) ribosomal C) transfer D) messenger
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