Which of the following would be correctly classified as a protein?
A) cholesterol
B) starch
C) an enzyme
D) cellulose
Answer: C
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Totipotent human stem cells can apparently be obtained only from:a
bone marrow. b. umbilical cords. c. cancer patients. d. zygotes. e. gametes
Members of the phylum ________ are characterized by having tube feet
A) Echinodermata B) Mollusca C) Annelida D) Platyhelminthes E) Arthropoda
Which of the following statements concerning rabies is FALSE?
A) It is caused by an ssRNA virus. B) Transmission is usually via a bite from a rabid animal. C) Treatment includes vaccination. D) Bats are the source of most cases of rabies in humans. E) All mammals can serve as a reservoir for the disease.
Assume that a species has a diploid chromosome number of 24. The term applied to an individual with 25 chromosomes would be ________
A) euploid B) triploid C) trisomy D) aneuploidy E) aneuploidy and trisomy