Question 3 (1 point) Bacteria populations display genetic variation such as antibiotic resistance due to
mutation. Which is the likely source of mutation?
A. Because bacteria reproduce sexually, their mutations would most likely arise from
errors in crossing over during meiosis.
B. Because bacteria reproduce asexually, their mutations would most likely be a
replication error and improper proofreading.
C. Because bacteria reproduce sexually, their mutations would most likely arise from
an environmental factor such as prolonged exposure to UV radiation.
D. Because bacteria reproduce asexually, their mutations would most likely arise
from an environmental factor such as prolonged exposure to extreme
temperatures.

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.