Blood vessels in the ________ supply epidermal cells with nutrients.
A. epidermis
B. hair follicle
C. stratum basale
D. dermis
Answer: D
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The head of the humerus and the glenoid cavity form a ball-and-socket joint.
Answer the following statement true (T) or false (F)
Which is NOT considered to be a primary function of the respiratory system?
A) vocalization B) gas exchange C) regulation of pH balance D) protection against pathogens E) regulation of water balance
Which of the following statements about ATP is false?
A) ATP drives the transport of certain solutes (e.g., amino acids) across cell membranes. B) ATP activates contractile proteins in muscle cells so that cells can shorten and perform mechanical work. C) ATP provides the energy needed to drive energy-absorbing chemical reactions. D) ATP is a modified nucleotide. E) The phosphate groups of ATP are attached by high-energy hydrogen bonds.
The most common form of color blindness is related to a recessive mutation on the X chromosome and is more common in ________; as a result, a pigment normally found in ________ is missing.
A. men; rods B. men; cones C. women; rods D. women; cones