Who is credited foe proving that DNA is replicated semi-conservative? a. Martin

Question

Who is credited foe proving that DNA is replicated semi-conservative? a. Martin &Lewis; b. Hershey & Chase c. Meselson & Stahl d. Fredrick Griffith Who is credited for discovering the genetic role of DNA through viral pathogens in mice? a Laurel & Hardy b. Watson & Crick c. Meselson & Stahl d. Fredrick Griffith Who performed the crystallography x-ray diffraction for DNA? a. Rosalind Franklin & Wilkins b. Fredrick Griffith c. Meselson & Stahl d. Watson & Crick Who proved that DNA is the genetic material? a. Captain & Tennille b. Hershey & Chase c. Rosalind Franklin & Wilkins d. Bozo the Clown There are ____ amino acids for ____ codes. Each code has ____ of the nucleotides. a. 16, 32, 3 b. 46, 23, 4 c. 20, 64, 3 d. 64, 20.3 An organism (plant or animal) has its DNA analyzed for the percent of nitrogenous bases. If the results show that 24% of the DNA is cytosine. How much (percent) of the DNA is adenine? a 25% b.28% c. 27% d. 26% e. 24% Which of the following nucleotide bases is found only in RNA not in DNA? a. guanine b. adenine c. cytosine d. thymine e. uracil

Explanation / Answer

Ans-21- option (c) is correct I.e. meselson and stahl.

Ans-22- option (d) is correct I.e. Fredrick Griffith.

Ans-23- option (a) is correct I.e. Rosalind Franklin and willing.

Ans-24- option (b) is correct I e. Harshey and chase.

Ans-25- option (c) is correct I.e. 20,64,3

Ans-26- option (d) is correct I.e. 26%

Ans-27- option (e) is correct I.e. uracil

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