Which skeletal function would first be impaired if the body produced an excess of calcitonin?
A. support
B. movement
C. protection of internal structures
D. mineral storage
E. blood cell production
B. movement
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Streptomyces produce a number of antibiotics
Indicate whether this statement is true or false.
Most microbes that inhabit estuaries are ________.
A. halovariable B. halophobic C. halophilic D. halotolerant
Which component of the following reaction is the enzyme? sucrose + sucrase + water ? sucrase + glucose + fructose
A) sucrose B) sucrase C) glucose D) fructose
Respond to the following statements in reference to the five stages or structures involved in the development of the human egg. Answers may be used more than once or not at all.
A. This diploid germ cell produces primary oocytes by mitosis. B. Human females are born with about 2 million of these cells that entered meiosis but stopped in prophase I. C. This cell becomes the mature egg only after fertilization in humans. D. This cell is the first sex cell stage to be in the haploid state. E. This cell contains a haploid set of chromosomes but will never be fertilized; often disintegrates and is reabsorbed in the body. F.