Question

strs are.
a single tandem repeats.
b sequence tandem reactants.
c single technique runs.
d short tandem repeats.
e several tandem repeats.
question 34
which phrase best describes the structure of dna?
a a twisted single strand
b a firemans ladder
c a double helix
d a triple helix
question 35
dna replication results in ____ copies of a cells genome.

Explanation:

• For Question 34: DNA has a double - helix structure. A twisted single strand is incorrect as DNA is double - stranded. A fireman's ladder is a very simplistic and inaccurate analogy. A triple helix is not the structure of DNA.
• For Question 35: DNA replication is a semi - conservative process. One original DNA molecule replicates to form two new DNA molecules. Each new DNA molecule consists of one original strand and one newly synthesized strand.

Answer:

• Question 34: C. A double helix
• Question 35: two