Cell walls are not typically possessed by ________.

A. protozoa
B. bacteria
C. algae
D. fungi


Answer: A

Biology & Microbiology

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The extracellular matrix outside the plasma membrane of animal cells is typically composed of

A) collagen and proteoglycans. B) lipids. C) cellulose. D) peptidoglycan. E) collagen, proteoglycans, lipids, and peptidoglycan.

Biology & Microbiology

Which distinguishes mitosis from meiosis?

A. Mitosis has one DNA replication, while meiosis has two DNA replications. B. In mitosis, one nuclear division occurs. In meiosis, two nuclear divisions occur. C. In mitosis, homologous chromosomes pair up. In meiosis, there is nopairing of chromosomes. D. Mitosis results in the production of gametes, while meiosis results inthe production of body cells.

Biology & Microbiology

Organisms that are nocturnal are more likely to communicate using

A) sight and sound. B) sight and smell. C) smell and sound. D) touch and taste.

Biology & Microbiology

The (cestodes/nematodes/trematodes) are helminths with an incomplete digestive system

What will be an ideal response?

Biology & Microbiology