Name the proenzymes that the pancreas secretes. Which one is involved in the activation of the other proenzymes? What are their active forms?
What will be an ideal response?
Proenzymes include: trypsinogen, chymotrypsinogen, procarboxypeptidase, procolipase, and prophospholipase. Trypsinogen is converted to trypsin, which activates the other proenzymes.
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Pyramids are
a) gray matter protrusions found on the medulla oblongata. b) white matter protrusions found on the medulla oblongata. c) gray matter protrusions found on the pons. d) white matter protrusions found on the pons. e) a network of white and gray matter found in the medulla oblongata.
The rapid influx of calcium ions into pacemaker cells creates a positive membrane potential inside the cell and is responsible for the:
A) slow initial repolarization phase. B) repolarization phase. C) full depolarization phase. D) minimum potential phase.
What is the acrosomal reaction?
A. The formation of the acrosome in the epididymis B. The activation of enzymes for action on the surface of the egg C. The release of ADP from the mitochondria on the midpiece D. The release of prostatic fluid to produce the semen
Match the structure associated with hearing with the appropriate description.A. Organ of hearingB. Passageway from the outside to the eardrumC. Interconnecting tunnels in the temporal boneD. Tiny bones in the middle earE. Connecting chambers of inner ear filled with endolymphExternal auditory canal
Fill in the blank(s) with the appropriate word(s).