A candy bar contains 108 calories per serving. There are 4 grams of carbohydrate, 5 grams of protein, and 8 grams of fat in a serving. How many of the calories come from fat? Note: One food calorie equals one kilocalorie.
A. 72
B. 16
C. 18
D. 20
Answer: A
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Fill in the blank with the appropriate word.
Which of the following is/are obligate aerobes?
A. Clostridium botulinum B. Escherichia coli C. Micrococcus luteus D. Helicobacter pylori
A male patient at a medical clinic presents with infertility due to nonmotile sperm and an inability to clear mucous from his respiratory tract. Other tissues are normal. You suspect that these symptoms may be caused by mutant
a. tubulin. b. kinesin. c. dynein. d. tau protein. e. MAP 1.
Nitrogen fixation by bacteria occurs only in the root nodules of leguminous plants
Indicate whether the statement is true or false