Which protists produce much of the Earth's oxygen?
A. amoeba
B. slime molds
C. algae
D. protozoa
E. radiolarians
Answer: C. algae
You might also like to view...
When performing 2-D gel electrophoresis, what is the purpose of exposing the proteins to sodium dodecyl sulfate (SDS)?
A. SDS masks all of the proteins' native charge with a positive charge. B. SDS masks all of the proteins' native charge with a negative charge. C. SDS makes all of the proteins' the same molecular weight. D. SDS adds a hydroxyl group to amino acid residues on each of the proteins. E. SDS masks all of the proteins' native charge with a neutral charge.
What are the two main types of mycorrhizae, and how do they differ? List three ways in which mycorrhizal
associations are beneficial to plants. What will be an ideal response?
Curare is a drug that selectively blocks receptors for:
A) serotonin B) GABA C) acetylcholine D) norepinephrine
Biofilms provide an alternative means for bacteria to attach to surfaces within the body.
Answer the following statement true (T) or false (F)