A substance that helps to maintain a stable pH is a(n) ________
Fill in the blank(s) with correct word
buffer
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The pressure required to stop water from moving across the membrane by osmosis is called
A. transport pressure. B. crenation pressure. C. atmospheric pressure. D. osmotic pressure. E. mechanical pressure.
Biologists have recently been interested in Miss Waldron's red colobus monkey (Procolobus badius) because it is ____
a. increasing in numbers b. a pest to farmers c. thought to be extinct d. capable of carrying HIV e. capable of carrying the Ebola virus
In meiosis, the separated sister chromatids move to opposite poles of the cell during
A. anaphase II. B. anaphase I. C. telophase I. D. metaphase I. E. metaphase II.
White blood cells
A) are formed in the spleen. B) carry oxygen in blood. C) clot blood. D) protect the body from microbes.