What is the tendency for molecules to stick together?
a. Cohesion
b. Hydrophobic
c. Hydrophilic
d. Evaporation
e. None of these choices.
a
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You explain to your study group that a hypothesis is:
A. constant over time. B. a proposition that will be true and fits the known facts. C. an explanation that accounts for careful observations. D. a theory.
What shape do strands of DNA take in a eukaryotic cell before they are packed?
a. Circular b. Linear c. Folded d. Spiral
Which of the following combinations of organisms could be expected to survive in isolation from
other forms of life available? a. producers and decomposers b. producers and carnivores c. carnivores and decomposers d. herbivores, carnivores, and decomposers e. producers, herbivores, carnivores, and decomposers.
Protozoa of the genus ________ cause a sexually transmitted disease in humans.
A. Trypanosoma B. Nosema C. Trichomonas D. Spirogyra E. Naegleria