which of the following contains a monosaccharide group?
(a) DNA
(b) RNA
(c) polysaccharides
(d) all of the above
(e) none of the above
which of the following contains a monosaccharide group? (a) DNA (b) RNA (c) polysaccharides (d) all...
10. DNA is more ____________ than RNA due to the absence of ______ group in the ribose. A. unstable, 3'-OH B. stable, 3'-OH C. unstable, 2'-OH D. stable, 2'-OH E. none of the above
Which of the following are true regarding RNA compared to DNA? RNA is more stable than DNA RNA contains uracil, while DNA contains thymine RNA contains a hydroxy group at position 2', whereas DNA does not DNA contains phosphate groups between sugar rings, whereas RNA contains phosphate groups between nitrogenous bases
10. Which of the following statements best summarizes the differences between DNA and RNA? Group of answer choices DNA nucleotides contain a different pyrimidine base than RNA nucleotides. The bases in DNA contain sulfur, whereas the bases in RNA do not contain sulfur. The bases in DNA contain sugars, whereas the bases in RNA do not contain sugar. DNA encodes hereditary information, whereas RNA does not. DNA nucleotides contain a different purine base than RNA nucleotides. 9. A phospholipid is...
Which of the following statements is true for DNA only? ( it can be more than one) A. It contains the pyrimidine thymine. B. Bases are attached to sugars in an α-N-glycosidic linkage. C. It contains the sugar ribose. D. It contains a 2' hydroxy group. Which of the following statements is true for both DNA and RNA? ( can only be one) A. Both can be hydrolyzed in alkaline solution. B. In base composition, %G = %C. C. In...
RNA differs from DNA in that it: all of the above contains ribose sugar contains uracil is usually found as a single-stranded molecule in cells Question 21 pts The correct order of steps in a PCR cycle is: Extension, denaturation, annealing Annealing, extension, denaturation Annealing, denaturation, extension Denaturation, annealing, extension The goal of the polymerase chain reaction (PCR) is to: Amplify a small amount of DNA sequence Cleave DNA molecules Digest bacterial plasmids Sequence DNA Which of the following is...
How do the sugars of RNA and DNA differ? a. RNAhasasix-carbonsugar;DNAhasafive-carbonsugar. b. ThesugarofRNAhasahydroxylgroupthatisnotfoundinthesugarof DNA. c. RNA contains uracil; DNA contains thymine. d. DNA’ssugarhasaphosphorousatom;RNA’ssugardoesnot.
Compared to RNA elongation by RNA polymerases, DNA elongation by DNA polymerase requires an additional reaction component. Which is appropriate for fulfillment of this requirement? Select one: a. a primase is needed for the biological DNA replication. b. a short DNA primer is necessary for PCR. c. a host tRNA is used for the synthesis of DNA by viral reverse transcriptase. d. All of these e. None of these
70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A primer c. A DNA template d. DNA Gyrase e. Deoxyribonucleotide triphosphate 86. Two phenotypically normal people have 4 children. 3 are phenotypically normal like their parents, but one is an albino. What are the probable genotypes of the parents? a. Both parents are homozygous dominant b. Both parents are homozygous recessive c. One parent is homozygous dominant and the other is homozygous recessive d....
1. Which of the following is not one of the four(4) macromolecules.a. Carbohydratesb. Lipidsc. Nudelc acidsd. Nope of the above2. A common characteristic of organic molecules versus inorganic molecules is: a. Usually involve ionic bondingb. Always contain a small number of atomsc. Always contain carbon and hydrogend. often associated with nonliving matte 3. Splitting of a bond by adding water refers to:a. A hydrolysis reactionb. A dehydration synthesis reactionc. Acid-base reactiond. All of the above4. The class of molecules that includes monosaccharides,...
9. (3) Which one of the following molecules contains a phosphoric anhydride bond? a. DNA b. AMP c. RNA d. UDP e. CAMP