Biology, 27.08.2019 00:40 christopherwilde

Question from campbell biology chapter 16:
grains represent radioactive material within the replicating eye.
47) in an experiment, dna is allowed to replicate in an environment with all necessary enzymes, datp, dctp, dgtp, and radioactively labeled dttp (³h thymidine) for several minutes and then switched to nonradioactive medium. it is then viewed by electron microscopy and autoradiography. the figure above represents the results.
which of the following is the most likely interpretation?
a) there are two replication forks going in opposite directions.
b) thymidine is only being added where the dna strands are furthest apart.
c) thymidine is only added at the very beginning of replication.
d) replication proceeds in one direction only.

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 02:30, arelyhuerta

Contrast how pollination is different among gymnosperms and angiosperms.

Answers: 3

continue

Biology, 22.06.2019 05:00, buywickless

According to this food web which of the following would be considered primary consumers

Answers: 1

continue

Biology, 22.06.2019 19:40, duyphan

Two pea plants with yellow peas are crossed. most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. for pea color, yellow is the dominant trait and green is the recessive trait. what does this tell you about the two parent plants? a. the parent plants have only dominant alleles for pea color. b. the parent plants are heterozygous for pea color. c. pea color follows an incomplete dominance pattern of inheritance. d. the parent plants are homozygous for pea color.

Answers: 1

continue

Biology, 22.06.2019 23:00, alina1120

Nitrogen-14 and nitrogen-15 are isotopes of the same element. how do these two isotopes differ? a. they have different numbers of nuclei. b. they have different numbers of protons. c. they have different numbers of neutrons. d. they have different numbers of electrons.

Answers: 2

continue

You know the right answer?

Question from campbell biology chapter 16:
grains represent radioactive material within the r...