Which statement is true of all protists?
a. They are eukaryotes.
b. They are heterotrophic.
c. They are unicellular.
d. They are symbionts.
e. All of the listed responses are correct.
Answer: a. They are eukaryotes.
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Three babies were recently mixed up in a hospital. Based on the data in the table below, the couple with blood types A and B are the actual parents of the child with blood type
A. O
B. B
C. AB
D. none of these babies could be the child of the couple with blood types A and B
The resting potential of a particular nerve cell is -66 mV. Depolarization of the membrane will shift the membrane potential toward
A) -90 mV. B) -66 mV. C) 0 mV. D) There will be no change. E) There is not enough information to tell.
Nutritive tissue within angiosperm seeds.
Choose the LETTER of the best match: A. hypocotyl B. endosperm C. scutellum D. radicle E. epicotyl
Which of the following is an example of an organ
that is nervous in origin, structure, and function but releases substances into the bloodstream? a. anterior pituitary b. posterior pituitary c. pancreas d. adrenal cortex e. testis