A) The amount of adenine equaled the amount of thymine.
B) Different species have different proportions of adenine and guanine.
C) Nitrogen containing bases were arranged on the outside of the double helix structure.
D) The shape of the molecule could be a double helix.
E) All of these were determined.
Correct Answer
verified
Correct Answer
verified
A) Wilkins
B) Wallace
C) Watson
D) Franklin
E) Crick
Correct Answer
verified
Correct Answer
verified
A) Watson and Crick
B) Beadles
C) Chargaff
D) Franklin
E) Pauling
Correct Answer
verified
Correct Answer
verified
A) paper clip.
B) ladder.
C) fork.
D) rope.
E) coiled spring.
Correct Answer
verified
Correct Answer
verified
A) phosphate groups are connected to sugars by covalent bonds
B) base pairs connect to each other by hydrogen bonds
C) the amounts of adenine and thymine are the same as are the amounts of cytosine and guanine
D) the DNA molecule forms into a double helix
E) the strands in a DNA molecule run in opposite directions
Correct Answer
verified
Correct Answer
verified
A) one X chromosome and one Y chromosome.
B) two X chromosomes.
C) two Y chromosomes.
D) two O chromosomes.
E) chromosomes X, Y, and O.
Correct Answer
verified
Correct Answer
verified
Correct Answer
A) a 5 carbon (pentose) sugar, three phosphate groups, and a nitrogen containing (nitrogenous) acid.
B) a pentose sugar, three phosphate groups, and a nitrogenous base.
C) three pentose sugars, a phosphate group, and a nitrogenous acid.
D) three pentose sugars, a phosphate group, and a nitrogenous base.
E) a pentose sugar, a phosphate group, and three nitrogenous acids.
Correct Answer
verified
Correct Answer
verified
A) cysteine
B) cytotic
C) cytosine
D) chargaff
E) cystomitosine
Correct Answer
verified
Correct Answer
verified
A) ZO
B) ZW
C) WW
D) WO
E) ZWW
Correct Answer
verified
Correct Answer
verified
A) breaks the hydrogen bonds between base pairs
B) seals gaps between assembled nucleotides
C) provides energy for nucleotide assembly
D) acts as an initiator to start the replication process
E) seals the ends of the replicated DNA molecule
Correct Answer
verified
Correct Answer
verified
A) protease
B) double helix
C) polymerase
D) phosphate
E) deoxyribose
Correct Answer
verified
Correct Answer
verified
A) the two parental DNA strands.
B) the two F 1 generation DNA strands.
C) the two F 2 generation DNA strands.
D) the DNA molecule to be transcribed.
E) the DNA molecule to be translated.
Correct Answer
verified
Correct Answer
verified
A) covalent bonds connect two complementary bases.
B) adenine and thymine are complements.
C) guanine and cytosine are complements.
D) double-ring nitrogen containing bases connect to single-ring nitrogen containing bases.
E) more than one of these is NOT true.
Correct Answer
verified
Correct Answer
verified
A) faster than eukaryotes.
B) slower than eukaryotes.
C) about the same speed as eukaryotes.
D) sometimes slower; sometimes faster than eukaryotes.
E) none of these.
Correct Answer
verified
Correct Answer
verified
A) amino acids
B) nucleotides
C) deoxyribose sugars
D) phosphate groups
E) nitrogen bases
Correct Answer
verified
Correct Answer
verified
A) it breaks DNA into pieces
B) it causes kinks in the DNA molecule
C) it causes the formation of nucleotide dimers
D) it causes covalent bond formation between adjacent thymines
E) it causes permanent mutations
Correct Answer
verified
Correct Answer
verified
A) chromatid.
B) chromatin.
C) centriole.
D) centrosome.
E) centromere.
Correct Answer
verified
Correct Answer
verified
A) DNA is a double helix
B) DNA has a phosphate backbone on the outside
C) DNA bases are arranged on the inside
D) DNA's diameter
E) all of these were determined by Rosalind Franklin's research
Correct Answer
verified
Correct Answer
verified
A) two sister chromatids.
B) two sister chromatins.
C) two sister chromosomes.
D) two sister centromeres.
E) two sister centrioles.
Correct Answer
verified
Correct Answer
verified
Showing 41 - 60 of 93
Related Exams