HIV is most commonly transferred by
a. casual contact.
b. food.
c. water.
d. sexual intercourse.
e. insect bites.
Answer: d
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In examining a multicellular protist, you notice that it uses pseudopods to engulf its food, that it reproduces asexually by mitosis, and that it has multiple nuclei
These data allow you to infer that the species belongs to which of the following protist groups? A) Euglenida B) Diatoms C) Foraminifera D) Diplomonadida E) Parabasalida
Most golden algae are ____
a. unicellular and autotrophic b. unicellular and heterotrophic c. colonial and autotrophic d. colonial and heterotrophic e. multicellular and heterotrophic
What gives muscle its striated appearance?
What will be an ideal response?
Organisms capable of nitrogen fixation
a. include some bacteria. b. include some cyanobacteria. c. may live as symbionts with other organisms. d. all of the above.