In the plant life cycle, what process takes place
between the formation of gametes and the
formation of the zygote?
a. mitosis
b. meiosis
c. fertilization
d. more than one of these
e. none of these
C
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The causative agent of cholera in humans is a member of the genus ________.
A. Vibrio B. Escherichia C. Shigella D. Enterobacter
If all the meiofaunal organisms were eliminated from a sandy beach, how would that affect the habitat and the trophic structure of the beach?
What will be an ideal response?
Four of the five answers are correct statements about the circulatory system. Select the exception:
a. The systemic circuit carries oxygenated blood. b. Humans have an open circulatory system. c. The function of the heart is to generate pressure to make the blood flow through the circulatory system. d. The rate of blood flow varies throughout the circulatory system. e. The interstitial fluid is returned to the circulatory system through the lymphatic system.
Ribosomes are organelles that are involved in ____
a. plasma membrane selectivity b. cellular energy production c. protein synthesis d. transport of materials e. DNA replication