Radioactive decay can be used to measure which of the following?
A. Chemical bonding
B. Time
C. Moisture
D. Pressure
E. Temperature
Answer: B
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Which of the following is not a seedless plant?
a. moss b. conifer c. fern d. club moss e. hornwo
Amino acids are acids because they always process which functional group?
A. amino B. carbonyl C. carboxyl D. phosphate E. hydroxyl
A Coulter counter is:
a. a statistical estimation using 15 dilution tubes and a table of numbers to estimate the number of bacteria per mL b. an indirect method of counting organisms c. a device that directly counts microbes as they pass through a tube in front of an electronic detector d. a device that directly counts microbes that are differentially stained with fluorescent dyes
All the following are important functions of the cytoskeleton EXCEPT
A) maintenance of organization in the cell. B) movement of organelles. C) maintenance of shape. D) storage of food molecules. E) assistance during cell division.