Which of the following scenarios is an example of bacterial motility?
a. A bacterium being removed from the skin during hand washing
b. A bacterium traveling through the air from a sneeze
c. A bacterium moving towards a food source
Answer: c. A bacterium moving towards a food source
You might also like to view...
Imagine that a cell has a genetic mutation so that the primase enzyme is unable to make RNA strands
Assuming that all of the other enzymes directly involved in DNA replication are still functional in these cells, how much of the process of DNA replication would you expect to see in these cells?
a. The leading strand would be synthesized, but not the lagging strand. b. None of it at all, no part of the DNA replication process could occur. c. The DNA helix would be unwound by helicase, but no new strands will be produced at all. d. Both the leading and lagging strand would be synthesized, but pieces of discontinuous strands would not be joined together. e. DNA replication would still proceed completely, since RNA strands are not part of the final product of DNA replication.
When DNA is heated, the two strands will separate.
Answer the following statement true (T) or false (F)
Compare and contrast REM and non-REM sleep. What will be an ideal response?
Genotypes are said to be in ________ equilibrium if there is random mating and no other forces tend to alter the proportions of alleles from one generation to the next.
A. Mendelian B. homeostatic C. steady-state D. Hardy-Weinberg