Which of the following lack a nucleus and are
structurally simple?
a. eukaryotes
b. prokaryotes
c. fungi
d. algae
e. all of these
Answer: b
Biology & Microbiology
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During anaerobic decomposition of organic matter with carbon dioxide as the terminal electron acceptor, the primary gas(es) produced is/are
A. oxygen. B. hydrogen sulfide. C. methane. D. hydrogen. E. methane AND hydrogen.
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In __________, an anus forms first
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One organelle, called a(n) ________, contains enzymes that digest worn out parts of cells.
A. lysosome B. vesicle C. endoplasmic reticulum D. peroxisome
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What are the source of antibody-producing cells?
A. Monocytes B. T cells C. Macrophages D. B cells E. Plasma cells
Biology & Microbiology