The ____ structure of proteins is determined by the hydrogen bonds between amino acids that cause the protein to coil into helices or pleated sheets
a. secondary
b. tertiary
c. primary
d. quaternary
a
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Which bones form the calvaria?
A. Occipital and parietals B. Parietals and frontal C. Occipital, parietals, and temporals D. Occipital, parietals, and frontal E. Occipital, parietals, temporals, and frontal
Which of the following recommendations regarding daily requirements is correct?
A. Protein consumption should be 10-35% of total kilocalorie intake. B. Fats should account for 45% of total caloric intake. C. Cholesterol intake should be about 300 milligrams per day. D. Carbohydrate intake should be around 500 grams daily. E. Protein consumption should be about 45% of total kilocalorie intake.
Match the stage of mitosis with the event(s) that occur(s): telophase
A)Chromatin condenses into chromosomes; centrioles move toward opposite poles of the cell. B)Chromosomes uncoil and revert to chromatin; nuclear membranes form around the sets of chromosomes. C)Chromosomes line up along the cell equator. D)Sets of chromosomes are moved to opposite sides of the cell.
The synapse of a motor neuron with a muscle fiber is known as the:
A) motor end plate. B) neuromuscular junction. C) synaptic cleft. D) synaptic bulb.