Bark consists of
A) secondary xylem, cork cambium, and cork.
B) secondary phloem, cork cambium, and cork.
C) cork cambium and pith.
D) cork only.
Answer: B
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In humans, gametes are different than other cells of the body in that they are _________
A. diploid B. haploid C. genetic mutations D. morphs E. None of the answers are correct
The limit of resolution can best be defined as
A) the distance that an object must be moved to be distinguished from its background. B) the inverse of the wavelength of light; it is greatest for black light. C) the distance that two objects must be apart to be distinguished as separate objects. D) the solvent that must be available to remix a solution. E) the magnification power of a microscope.
When light hits a pigment, what happens to the energy from a photon?
a. It is reflected from an electron of the pigment molecule. b. It is transferred to an electron of the pigment molecule. c. It is transmitted through an electron of the pigment molecule. d. It is transmitted and reflected from an electron of the pigment molecule.
The network of connective tissue fibers which pass through the tissues of the body and allow for the efficient movement of immune system cells is the
A) Reticuloendothelial system. B) Circulatory system. C) Lymphatic system. D) Extracellular fluid system.