Members of the Domain Archaea are important in the ocean as 

A. chemosynthetic producers near places where hot water comes from openings in the ocean floor.
B. parasites on many kinds of algae.
C. a cause of algal blooms.
D. food for fish.


A. chemosynthetic producers near places where hot water comes from openings in the ocean floor.

Biology & Microbiology

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Serovars are strains of a species that have distinctive antigenic properties.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following is an example of how cultural change influences evolution?

A. Africans being carriers for sickle trait in areas where malaria is present B. Inuits in Greenland having a larger body, reducing surface area to volume C. people in the northern regions having less pigmentation in order to obtain more vitamin D D. people becoming lactose tolerant in areas where the domestication of cattle occurred

Biology & Microbiology

An adjuvant has been developed from lipid A

Indicate whether this statement is true or false.

Biology & Microbiology

The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology