Which is a frameshift mutation?

a. loss of one codon

b. a 3-base insertion

c. a 6-base deletion

d. a 2-base deletion

e. a 2 codon insertion?

A cell has 5% salt concentration. It is placed into a solution with a 0.5% salt concentration. What will happen to the cell

What is process of nuclear division in cells that produces daughter cells that are genetically identical to each other and to the parent cell.

Which best describes crossing over? a it occurs during mitosis and reduces the chances of genetic variation in organisms. b it occurs during mitosis and increases the chances of genetic variation in organisms.

18. When does a population experience logistic growth? O A. When it reaches the carrying capacity O B. When natural predators are introduced to the population O C. When it has access to unlimited resources O D. When there's primary succession

What force makes cold water sink toward the ocean floor?

What is the product of spermatogenesis?

What information should the nurse document in the medication record when administering a non-narcotic pain medication? select all that apply?

Lymphocytes that are clones of activated B cells or T cells that enhance resistance to future infection are called: a. memory cells. b. clones cells. c. enhanced cells. d. recall cells.

A group of scientists are studying the internal parts of a cell. Which microscope is most appropriate for these scientists to use?

Which characteristic do all protists have? A They all make or consume food. B They all survive in any environment. C They are all unicellular. D They all have flagella.