Which of the following conditions may cause infertility in a human?
A) XYY B) XXX C) XX D) XXY E) XY
D
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Which layer of the skin is composed of stratified squamous epithelium cells? a. Epidermis b. All of these choices have stratified squamous epithelium
c. Hypodermis d. Dermis e. None of these choices have stratified squamous epithelium.
What salt-tolerant woody plants have prop roots that help the plant stay upright in soft sediments?
a. wetlands b. tide pools c. cordgrass d. mangroves
e. tidal flatsWhich of the following is false regarding agerelated
macular degeneration? a. It results in progressive destruction of photoreceptors in the fovea and surrounding region. b. It clouds the center of the visual field. c. It has no genetic basis. d. Smoking, high blood pressure, and obesity increase its risk. e. It cannot be cured, but its progression can be slowed.
Which of the following areas of the respiratory tract is lined with a single layer of epithelial cells?
a. nasal cavity b. larynx c. trachea d. bronchi e. alveoli