Adenine bonds with thymine because a. they both make one hydrogen bond b. they b
ID: 14610 • Letter: A
Question
Adenine bonds with thymine becausea. they both make one hydrogen bond
b. they both make two hydrogen bonds
c. they both make three hydrogen bonds
d. neither make hydrogen bonds
e. they make covalent bonds with each other.
DNA replication must occur before ________ can occur.
a. protein sythesis
b. transcription
c. translation
d. mitosis
e. all of the above
After DNA replication, the two identical DNA strands with their associated proteins are known as
a. centromeres
b. sister chromatids
c. homologous chromosomes
d. kinetochores
e. poles
A mutation _____ results in a different amino acid in the polypeptide.
a. never
b. sometimes
c. always
Crossing over (the formation of chiasma) occurs during
a. Prophase I
b. Prophase II
c. Anaphase I
d. Anaphase II
e. Metaphase I
Explanation / Answer
Adenine bonds with thymine because
a. they both make one hydrogen bond
b. they both make two hydrogen bonds
c. they both make three hydrogen bonds
d. neither make hydrogen bonds
e. they make covalent bonds with each other.
DNA replication must occur before ________ can occur.
a. protein sythesis
b. transcription
c. translation
d. mitosis
e. all of the above
After DNA replication, the two identical DNA strands with their associated proteins are known as
a. centromeres
b. sister chromatids
c. homologous chromosomes
d. kinetochores
e. poles
A mutation _____ results in a different amino acid in the polypeptide.
a. never
b. sometimes
c. always
Crossing over (the formation of chiasma) occurs during
a. Prophase I
b. Prophase II
c. Anaphase I
d. Anaphase II
e. Metaphase
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