Which of the following is not a criterion for an organism's genetic material?
a. The genetic material must contain information necessary to construct a hole organism
b. The genetic material must be transmitted from parent to offspring
c. To transmit information the genetic material must be repli...
BRCC Biology 1033 Exam 3 -Questions with Cor rect Answers/ Latest Update / 100% Pass Which of the following is not a criterion for an organism's genetic material? a. The genetic material must contain information necessary to construct a hole organism b. The genetic material must be transmitted from parent to offspring c. To transmit inform ation the genetic material must be replicated d. The genetic material must be dynamic changing rapidly in response to changes in the environment - ✔️✔️D Who discovered that DNA was the genetic material or transforming factor that could convert nonvirulent R-type streptococcus pneumoniae bacterium to the violent S -type? a. Weismann and Nagell b. Griffith c. Avery, MacLeod, and McCary - ✔️✔️C Which of the following scientist -discoveries is mismatched? a. Watson, Crick, Wilkons, and Franklin -DNA structure b. Avery, MacLeod and McCarty - DNA is the genetic material c. Meselson and Stahi -mechanism of DNA replicate d. Griffith -chromosomes - ✔️✔️D Beginning with the simplest level of structure, which order of organization of genetic material is correct? a. DNA, n ucleotide, gene, genome, chromosome b. Nucleotide, DNA, gene, chromosome, genome c. DNA, nucleotide, gene, chromosome, genome d. Nucleotide, DNA, gene, genome, chromosome - ✔️✔️B Which of the following statements about DNA is false? a. One chromosome is m ade up of many DNA molecules b. A eukaryotic genome is made up of many DNA molecules c. A DNA double helix contains both covalent bonds and hydrogen bonds d. A strand of DNA is made up of many nucleotides - ✔️✔️A Which of the following relationships about necleotide composition in DNA is true? a. C G=A T b. C A=G T c. C=A d. G=T - ✔️✔️B The mechanism of DNA replication is - ✔️✔️C Without the work of Rosalin Franklin, Watson, and Crick would not have known a. Whic h nuecleotides could pair together b. How many strands of DNA made up the molecule c. The shape of the molecule d. The width of the molecule e. All the above - ✔️✔️E Bacteria are grown in 15N(heavy) medium and then transferred to 14N(light) medium and allowed to replicate for one generation. The DNA is subsequently isolated and centrifuges in a CsCl2 gradient to yield what type of gradient band(s)? a. One heavy band b. One light band c. One half -heavy (intermediate to heavy and light) band d. One heavy and one half -heavy band - ✔️✔️C DNA is double helix structure whose strands are held together by hydrogen bonds with A to T and C to G base pairing a. True b. False - ✔️✔️A Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template. Wha t DNA sequence is produced from an RNA molecule with the sequence 5' -AUUGACGGU -3'? - ✔️✔️3'-TAACTGCCA -5' Which molecule is responsible for separating double -stranded DNA into single strands? a. DNA primase b. DNA helicase c. Topoisomerase d. DNA ligase - ✔️✔️B Which of the following is not involved in DNA replication? a. Replication Fork b. Single -Stranded binging proteins c. DNA ligase d. Topoisomerase - ✔️✔️D Which of the following proteins -functions is mismatched? a. DNA polymerase - DNA synthesis b. DNA polymerase - primer removal and replacement with DNA c. DNA primase - production d. Topoisomerase - separates double -stranded DNA into single strands. - ✔️✔️D Why is there a need to produce Okazaki fragments on the lagging strand, but not on the leading strand of DNA? a. The two parental strands of DNA are antiparallel and DNA polymerase makes DNA in the 5' to 3' direction only. b. It is substantially more efficient to make several shorter strands rather than one longer strand of DNA.
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