What genus is an example of a green alga that grows as a colony?

a. Dunaliella
b. Micrasterias
c. Spirogyra
d. Volvox


Answer: D

Biology & Microbiology

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Examine Figure 23.2 in your textbook. According to this figure, the amphibians are a _____ group

A. monophyletic B. paraphyletic C. polyphyletic

Biology & Microbiology

Which of the following is a possible consequence of self reactive B cells and/or T cells in the body?

A. Cytokine storms B. Autoimmune diseases C. Anergy D. Allergic reactions

Biology & Microbiology

Which type of a microscope uses a beam of electrons that moves back and forth across a cell’s surface thereby reflecting the details of the cell to the user?

a. dissecting b. light c. scanning electron d. transmission electron

Biology & Microbiology

Which of the following is a function of the cytoskeleton?

A. helps a cell keep its shape B. contains DNA C. surrounds the cell D. helps make proteins

Biology & Microbiology