The event that leads from the haploid stage to the diploid stage in alternation of generations is ________.
a) meiosis
b) mitosis
c) fertilization
d) germination
Ans: c) fertilization
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Which of the following is/are obligate aerobes?
A. Clostridium botulinum B. Escherichia coli C. Micrococcus luteus D. Helicobacter pylori
What is the difference between endocrine and exocrine glands?
a. Endocrine glands are discrete structures, while exocrine glands may be specialized cells in other tissues. b. Exocrine glands produce hormones, while endocrine glands do not. c. Endocrine glands only affect cells in the immediate area, while exocrine glands do not. d. Endocrine glands secrete into the interstitial fluid, while exocrine glands release secretions into ducts. e. Exocrine glands secrete neurohormones, while endocrine glands do not.
Which of the following is not involved in chemical synaptic transmission?
A) Electrical conduction across the synaptic cleft B) Binding to autoreceptors C) Release of neurotransmitters D) Reuptake
Which of the following statements is CORRECT?
a. Convergent evolution results in unrelated organisms developing very dissimilar traits. b. A bird's eye is analogous to a whale's eye. c. A bat's wing is homologous to a moth's wing. d. Adaptive radiation is a special case of divergent evolution. e. Natural selection plays only a small role in the process of adaptive radiation