Quiz 6 Flashcards
The enzyme responsible for inserting negative supercoils into DNA is ___.
Gyrase
The base pairing between ___ is especially strong because it contains an additional ___ bond, compared to ___.
C and G; hydrogen; A and T
In most prokaryotes, DNA replication proceeds:
Bidirectionally
DNA forms a double helix because of ___ and the ___ pairing of the two strands.
Complementarity; antiparallel
The strongest electron acceptor in nature is:
Oxygen
Transposable elements are:
Segments of DNA that can move
___ are genetic elements that replicate separately from the chromosome.
Plasmids
Why does fermentation have a relatively low ATP yield compared to aerobic respiration?
Aerobic catabolism uses oxidative phosphorylation
Viruses contain genomes of:
Either DNA or RNA
During fermentation, ATP is usually produced by:
Substrate-level phosphorylation