Answer the question using the accompanying figure. In the internal leaf structure, the structure labeled "2" is ____
a. a vascular bundle
b. spongy mesophyll
c. epidermis
d. a stoma
e. palisade mesophyll
ANSWER: e
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Under normal circumstances, which of the following is(are) normally sterile environments in mammals?
A. Ureters B. Urinary bladder C. Kidneys D. All of the choices are correct.
The goal of eugenics is to
a. selectively engineer and change normal human traits into what some perceive to be more desirable characteristics. b. eliminate genetic disorders. c. produce genetically identical humans. d. eliminate genes for abnormal behavior. e. accomplish all of these
In a Punnett square, the letters within the little boxes
represent a. offspring genotypes. b. parental genotypes. c. gametes. d. offspring phenotypes. e. parental phenotypes.
The stage of photosynthesis during which chlorophyll absorbs light energy is called the ________ reaction
Fill in the blank(s) with correct word