Starch and cellulose can provide animals with energy only if they are first broken down into ________molecules
a. water
b. glucose
c. sucrose
d. carbon dioxide
e. amino acids
B; Large carbohydrates must be digested into simple sugars before they can enter the bloodstream and be carried to the cells for metabolism. Cellulose and starch are both made up of glucose molecules linked together.
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Sperm are produced in the ____
a. epididymis b. seminiferous tubules c. penis d. prostate gland e. vas deferens
________ takes into account both the biotic (living) communities and the abiotic (nonliving) environments on which the communities depend
A) Ecosystem services B) Species diversity C) Genetic diversity D) Ecosystem diversity E) Conservation biology
Globalization has enabled organizations to reduce their cost of production by
A) differentiating material culture that world over B) setting up barriers to cross-border trade C) creating manufacturing units in developing countries D)Turning national economies into self- contained entities
Half of the body's magnesium is stored in the:
A) bones. B) kidneys. C) skeletal muscle. D) extracellular fluid.