Which one of the following characteristics do animals, fungi, and protozoa have in common?
A) They obtain their carbon from carbon dioxide.
B) They obtain their carbon from inorganic compounds.
C) They obtain their energy and carbon atoms from chemicals.
D) They obtain their energy from light.
C) They obtain their energy and carbon atoms from chemicals.
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A decreased risk of epigenetic imprinting disorders, such as Beckwith-Wiedemann syndrome, is observed in children
conceived following ART. a. True b. False
Prokaryotes reproduce rapidly and this allows genetic variation to spread quickly through a population. Two processes can create new variations in prokaryotic populations. Select the choice with those two processes.
A. phage viral attack and genetic recombination B. genetic recombination and rapid cell division C. mutation and phage viral attack D. genetic recombination and nondisjunction E. genetic recombination and mutation
One of the ways smooth endoplasmic reticulum (ER) differs from rough endoplasmic reticulum is that rough ER is covered by
a. the extracellular matrix. b. the Golgi apparatus. c. ribosomes. d. the cytoskeleton. e. mitochondria.
What happens when a culture is incubated above the organism's maximum temperature for growth?
a. The cell continues to grow at the normal rate. b. The cells grow much faster than normal because the enzymatic reactions are occurring at a much faster rate. c. The cell membranes collapse, proteins denature, and the cell usually dies. d. The transport of nutrients into the cell is slow; therefore, the cells grow more slowly than normal.