Answer the following statements true (T) or false (F)
1. Some algae are more closely related to plants than they are to other algae.
2. Protozoa are monophyletic.
3. The disappearance of diatoms from the world's oceans would result in an overall increase in the concentration of atmospheric oxygen.
4. Micronuclei are stored particles of carbohydrate and lipids.
1. TRUE
2. FALSE
3. FALSE
4. FALSE
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Describe protein synthesis in terms of initiation, elongation, and termination/release
What will be an ideal response?
What happens when the cAMP-CAP complex binds the CAP site near the lac promoter?
A. Transcription rate decreases. B. Transcription rate increases. C. RNA polymerase binds to the promoter. D. RNA polymerase binds to the promoter and transcription rate decreases. E. RNA polymerase binds to the promoter and transcription rate increases.
Which of the following atmospheric gas is changing the global climate?
A. ozone B. water vapor C. carbon dioxide D. hydrogen E. oxygen
Please select the answers below that correspond to structural features of HIV and their host cells necessary for HIV infection to occur.
> The HIV envelope contains glycoproteins that mediate viral absorption and fusion to the host cell. > The helical HIV capsid opens to allow access of its single-stranded DNA genome to the host cell genome. > Infectable host cell membranes must present surface receptors including a CD4 marker, as well as a co-receptor. > Infectable host cells must actively phagocytize the HIV particle through the host cell membrane.