Amino acids that cannot be synthesized in adequate amounts by the human body and must be obtained in the diet are called:
1.nonessential amino acids.
2.unnecessary amino acids.
3.essential amino acids.
4.critical amino acids.
3
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The smallest muscle fiber bundles responsible for muscle contraction are known as:
a. fasciculi. b. myofilaments. c. reticulum. d. myofibrils.
Which of the following statements regarding calibration of thermometers is correct?
a. Thermometers can be calibrated by an ice-water method using a 50% ice/50% water mixture at least 2 inches deep. b. Thermometers can be calibrated by a boiling-water method at 212 degrees F. c. Thermometers should be calibrated before the work shift begins. d. If a thermometer is dropped on the floor, it should be re-calibrated. e. all of the above answers are correct
Which of the following molecules is mainly responsible for atherogenesis?
a. LDL b. HDL c. Cholesterol transport protein d. Albumin
If a fatty acid in which the carbon atoms are on opposite sides of the double bond, it is called a ________ fatty acid
A) saturated B) trans C) cis D) rancid