Which feature is shared by euglenoids and
kinetoplastids?
a. an eyespot
b. a single flagellum
c. photoautotrophy
d. parasitic existence
e. live in marine and freshwater habitats
B
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The oceans contain about ________% of the Earth's water.
A. 95 B. 93 C. 91 D. 97
Sidney Brenner argued that the code was nonoverlapping because he considered that coding restrictions would occur if it were overlapping. A second major argument against an overlapping code involved the effect of a single nucleotide change
In an overlapping code, how many adjacent amino acids would be affected by a point mutation? In a nonoverlapping code, how many amino acid(s) would be affected?
Bacteriophages are:a
viruses that infect bacteria. b. plasmids that infect bacteria. c. bacteria that infect other bacteria. d. enzymes that destroy bacteria. e. recombinant organisms.
Disease in which a person's immune system attacks a person's own cells is known as
A. immunodeficiency diseases. B. autoimmune diseases. C. allergic reactions. D. rejection responses.