Which of the following are actual mutualistic partnerships that involve a protist and a host organism?
a. cellulose-digesting gut protists: wood eating termites
b. dinoflagellates: reef building coral animals
c. trichomonas: humans
d. algae: certain foraminferans
e. all except that involving humans
Ans: e. all except that involving humans
You might also like to view...
BOTH physical and chemical methods are used to treat and purify drinking water
Indicate whether the statement is true or false.
When a promoter is methylated, gene expression is:
a. silenced. b. enhanced. c. slowed. d. maintained. e. activated.
File this one under "confusing plant terminology." Both a plant's stoma and its stroma are important in photosynthesis. What's the difference between stoma and stroma?
a) Stoma is the singular of stomata, the gas exchange pores in the leaf of the plant, while stroma is the fluid that fills the inner space of a chloroplast. b) Stoma is the singular of stomata, the fluid that fills the inner space of a chloroplast, while stroma are the gas exchange pores in the leaf of the plant. c) Stoma is the singular of stomata, the gas exchange pores in the leaf of the plant, while stroma is the disk-like membranous sac in which the light-reactions of photosynthesis take place. d) Stoma refers to the non-sexual cells of a plant, while stroma is the fluid that fills the inner space of a chloroplast. e) Stoma is the fluid that fills the inner space of a chloroplast, while stroma is a stack of disk-like thylakoids.
The transfer of a phosphate group to a molecule or compound is called
A) carboxylation. B) ionization. C) phosphorylation. D) hydrogenation.