The layer where organisms can exist on the surface of the earth is the
(a). biosphere.
(b). ecosystem.
(c). population.
(d). homeostasis.
(e). community.
(a). biosphere.
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Yeast is used to produce beer and wine but can also make bread rise. All of these processes involve the production of alcohol. Explain why you can eat bread and not get drunk.
A. The bread-making process produces ethyl alcohol, not isopropyl alcohol. B. The amount of alcohol produced is too small to be noticeable. C. The heat of cooking bakes out the alcohol. D. The bread-making process produces isopropyl alcohol, not ethyl alcohol.
Specialized islet cells that secrete hormones
are found scattered throughout the
a. adrenal cortex. b. liver. c. thymus. d. adrenal medulla. e. pancreas.
Explain the dideoxy sequencing method
What will be an ideal response?
Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast store?
A) Energy B) Chlorophyll C) Carbon D) Electrons