A) ribose
B) ribulose
C) deoxyribulose
D) deoxyribose
E) glucose
Correct Answer
verified
Correct Answer
verified
A) how much adenine binds with thymine rather than with cytosine.
B) whether DNA is a double or a single helix.
C) the variation in the backbone structure.
D) how many different bases it contains.
E) its sequence of DNA base-pairs.
Correct Answer
verified
Correct Answer
verified
A) 1
B) 2
C) 3
D) 4
E) 6
Correct Answer
verified
Correct Answer
verified
A) ATP
B) the nucleotide itself
C) NADH
D) primers
E) DNA ligase
Correct Answer
verified
Correct Answer
verified
A) asexual reproduction
B) embryo splitting
C) reproductive cloning
D) somatic cell nuclear transfer
E) two separate eggs fertilized by two separate sperm
Correct Answer
verified
Correct Answer
verified
A) is an enzyme.
B) adds new nucleotides to a strand.
C) proofreads DNA strands to see that they are correct.
D) derives energy from free nucleotides for strand assembly.
E) is all of these.
Correct Answer
verified
Correct Answer
verified
A) scanning electron microscopy
B) transmission electron microscopy
C) recombinant DNA techniques
D) X-ray crystallography
E) DNA profiling
Correct Answer
verified
Correct Answer
verified
A) one DNA molecule has both parent strands; the other DNA molecule has two new strands.
B) both DNA molecules have two new strands each; the parent strands are discarded.
C) one DNA molecule has a parent strand and a new strand; the other DNA molecule has two new strands
D) both DNA molecules have one new strand and one old strand
E) the bottom parts of each new DNA molecule are new strands and the top parts of each new DNA molecule are old strands
Correct Answer
verified
Correct Answer
verified
A) adenine
B) cytosine
C) thymine
D) guanine
E) cysteine
Correct Answer
verified
Correct Answer
verified
A) ionic bonds.
B) polar covalent bonds.
C) hydrogen bonds.
D) peptide bonds.
E) nonpolar covalent bonds.
Correct Answer
verified
Correct Answer
verified
A) faster replication
B) the formation of nucleotide dimers
C) kinks in the DNA molecule
D) breaks in the DNA molecule
E) base pair mismatching
Correct Answer
verified
Correct Answer
verified
A) adenine and cytosine.
B) adenine and guanine.
C) cytosine and thymine.
D) guanine and cytosine.
E) guanine and thymine.
Correct Answer
verified
Correct Answer
verified
A) Mutations caused by environmental factors are always repaired.
B) Mutations occurring during the replication process are always harmful.
C) Mutations only occur during DNA replication.
D) Mutations occurring during the replication process only affect the secondary structure of proteins.
E) Mutations are permanent changes in the base sequence of DNA.
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
A) a pearl necklace.
B) a waterproof watch.
C) a microwave oven.
D) the gears on a bicycle.
E) a flashlight.
Correct Answer
verified
Correct Answer
verified
Correct Answer
A) the DNA molecule unwinds
B) DNA polymerase brings new nucleotides to the old DNA strand
C) DNA ligase activity begins
D) hydrogen bonds are broken
E) none of these things happen first
Correct Answer
verified
Correct Answer
verified
A) the DNA would not coil around histones
B) DNA could not duplicate
C) sister chromatids could not attach to each other
D) the chromosome number would be reduced
E) none of these would result
Correct Answer
verified
Correct Answer
verified
A) duplicate
B) translate
C) isolate
D) protect
E) distribute
Correct Answer
verified
Correct Answer
verified
A) DNA replication is error free
B) DNA replication occurs without the help of enzymes
C) In DNA replication, the parent strands are discarded
D) Each newly formed DNA molecule contains two new strands and two old strands.
E) Each newly formed DNA molecule contains one parent strand and three new strands.
Correct Answer
verified
Correct Answer
verified
Showing 21 - 40 of 93
Related Exams