Answer Happy

a. will respond to chemical agents.
b. will respond to chemical agents AND will protect an organism from cancer.
c. respond to the deletion of DNAses.
d. are mutagens.
e. will protect an organism from cancer.
2. In conjugation the donor cell is recognized by the presence of
a. a Y chromosome.
b. diploid chromosomes.
c. an F plasmid AND diploid chromosomes.
d. an F plasmid.
e. an SOS response.
3. Various strains of E. coli
a. are all exactly the same.
b. are all very different from one another.
c. may be harmless.
d. may cause disease.
e. may cause disease AND may be harmless.
4. A tangle of fungal hyphae is generally known as a
a. bud.
b. biofilm.
c. germ tube.
d. mycelium.
e. spore.
5. Energy is defined as
a. the potential to fall.
b. the use of high-level phosphate bonds.
c. water flowing up a dam.
d. the capacity to do work.
e. the result of work.
6. Single-celled eukaryotic organisms that lack chlorophyll includea. protozoa AND yeasts.b. protozoa AND cyanobacteria.c. algae AND yeasts.d. yeasts AND cyanobacteria.e. algae AND archaea.7. Chemotaxis refers toa. movement away from a chemical.b. movement in response to a chemical.c. movement toward a chemical.d. movement of a chemical.e. movement toward light.8. In the late nineteenth century, immigration from Ireland to the United States occurred inhigh numbers due to an infection of potatoes bya. bacteria.b. protozoa.c. water molds.d. viruses.e. fungi
6. Single-celled eukaryotic organisms that lack chlorophyll include
a. protozoa AND yeasts.
b. protozoa AND cyanobacteria.
c. algae AND yeasts.
d. yeasts AND cyanobacteria.
e. algae AND archaea.
7. Chemotaxis refers to
a. movement away from a chemical.
b. movement in response to a chemical.
c. movement toward a chemical.
d. movement of a chemical.
e. movement toward light.
8. In the late nineteenth century, immigration from Ireland to the United States occurred in
high numbers due to an infection of potatoes by
a. bacteria.
b. protozoa.
c. water molds.
d. viruses.
e. fungi