What type of molecule is acetylcholine?
A) It is a protein.
B) It is a neurotransmitter.
C) It is an activator ion.
D) It is a calcium binding molecule.
Ans: B) It is a neurotransmitter.
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Which of the following activities is not related to kidney function?
A) control of hydrogen ion and pH in the blood B) control of wastes in the blood C) lipid digestion D) regulation of blood pressure E) maintenance of various blood ion concentrations
Which fontanel is found at the juncture of the occipital and parietal bones?
A) sphenoidal B) anterior C) posterior D) mastoid
The subunits of ribosomes are exported outside the nucleus into the cytoplasm, where they are assembled into their finished product.
Answer the following statement true (T) or false (F)
How many tetrads form during synapsis of meiosis for humans?
A) 23 B) 98 C) 4 D) 46