Which one of the following is a major difference between plants and animals?
A. Animals use sophisticated genetic
programs to govern their development and
day-to-day functions. Plants do not.
B. Plant cells have evolved modifications of
the plasma membrane that permit the transfer
of information and molecules from one cell to
another. Animal cells have not.
C. Plants have a meshwork of extracellular
molecules that provide structural support and
that determine the shape of the cells. Animals
do not.
D. Animal cells are able to absorb large
molecules across their plasma membrane.
Plant cells are not.
D
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The causative agent of dengue fever is
A) Rickettsia prowazekii. B) a flavivirus. C) Borrelia burgdorferi. D) Clostridium perfringens.
The scientist who received the first Nobel Prize in Medicine for his work on antibody therapy was
A. Koch. B. von Behring. C. Jenner. D. Roux.
The majority of naturally occurring amino acids are
A) acidic and polar. B) basic and nonpolar. C) acidic and nonpolar. D) neutral and nonpolar. E) neutral and polar.
Explain why Identical twins can have the same STRs in a DNA profile yet still exhibit differing phenotypes
What will be an ideal response?