Because of the freezing temperatures of the deep ocean, all deep-sea fish must be endotherms
Indicate whether the statement is true or false
FALSE
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In plants, the IP3/DAG pathways control the organism's responses to water loss and changes in light intensity
a. True b. False
Which of the following is/are true of most of the extreme thermophilic Archaea in the phylum of Crenarchaeota?
A. They are sulfur dependent, they are acidophiles, and their cell walls contain lipoprotein and carbohydrate B. Their cell walls contain lipoprotein and carbohydrate C. Unlike most other Archaea, their membrane lipids are similar to those of the bacteria D. They are sulfur dependent E. They are acidophiles
According to this figure, how do hydrogen ions make their way from the stroma to the thylakoid interior?
A) through photosystem I
B) through an electron transport chain molecule
C) through the ATP synthase
D) directly through the phospholipids of the thylakoid membrane
Allergic contact dermatitis is due to
A) sensitized T cells. B) IgG antibodies. C) IgE antibodies. D) IgM antibodies. E) activated macrophages.