{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

ch 17(2) - Chapter 17 MULTIPLE CHOICE Choose the one...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 17 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Beadle and Tatum proposed the one gene-one enzyme concept. In its original form, this hypothesis could now be restated in which of the following ways? A)One DNA molecule contains the information to make one enzyme. B)A given sequence of DNA nucleotides contains the information to make one enzyme. C)Each gene contains the information to make one enzyme, one lipid, and one carbohydrate. D)Each gene is actually an enzyme that catalyzes the production of one protein. E)Each polypeptide is the result of the activity of one enzyme. The following questions refer to the following simple metabolic pathway: Enzyme a Enzyme b A B C 2) According to Beadle and Tatum's one gene-one enzyme hypothesis, how many gene(s) is (are) necessary for this pathway? 3) A mutation results in a defective enzyme a . Which of the following would be a consequence of that mutation? no production of C and C and no production of A 4) One strain of a diploid organism is homozygous for a recessive allele coding for a defective enzyme a . Another strain is homozygous for a recessive allele coding for a defective enzyme b . Crossing those two strains will result in a strain that would grow on which of the following? supplemented with A supplemented with both A and B 5) Which of the following represents a similarity between RNA and DNA? A)the presence of a double- stranded helix B)the presence of uracil C)the presence of an OH group on the 3' carbon of the sugar D)nucleotides consisting of a phosphate, sugar, and nitrogen base E)repair systems that correct genetic code errors 6) The nitrogenous base adenine is found in all members of which of the following groups? triglycerides, and testosterone glucose, ATP, and DNA
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}