An epidemic facilitated by a high, dense population is an example of a(n) ____ factor
a. density-dependent
b. density-independent
c. biotic
d. logistic
e. exponential
ANSWER: a
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The chemical reactions of photosynthesis occur in which cellular organelle?
A. Mitochondria B. Chloroplasts C. Ribosomes D. Nucleus
Ras proteins are of interest to researchers because ____
a. of their role in reproduction d. of their role in relieving cluster headaches b. of their role in liking plant hormones to germination e. of their role in bringing about the fight – or-flight response c. of their role in the development of many types of cancer
Which of the following parameters could affect
the shape of a protein?
a. heat b. low pH c. detergents d. high pH e. all of these
What does "light pollution" refer to?
a. diminished natural lighting b. rapid proliferation of artificial lighting c. rapid proliferation of natural lighting d. diminished artificial lighting