Cells that ingest and destroy bacteria and other foreign particles are called:
a. phagocytes.
b. lymphocytes.
c. goblet cells.
d. ciliated cells.
A
Phagocytes are cells that ingest and destroy invading bacteria when they enter the human body.
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The decline of the sea otter population in the Pacific Northwest has been attributed to
A. pollution from an oil spill. B. predation by killer whales. C. a genetic mutation causing a decrease of fertility in male otters. D. an increase in the water temperature. E. predation by Steller sea lions.
Pr is located in the ____, and after it absorbs red light, the resulting Pfr moves to the ____
a. endoplasmic reticulum; plasma membrane b. cytoplasm; nucleus
c. plasma membrane; cytoplasm d. cytoplasm; plasma membrane e. nucleus; cytoplasm
Which of these equations describes aerobic cellular respiration?
A) glucose ? lactic acid + energy B) energy + carbon dioxide + water ? glucose + oxygen + water C) glucose + oxygen ? carbon dioxide + water + energy D) none of the above
Which number describes a Fluorescent Microscope?
What will be an ideal response?