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TLS Online TPP Program

#Question id: 12033

Food being digested in the stomach is in a highly acidic environment. When the food is released from the stomach into the small intestine, why is the environment no longer acidic?

#Unit 7. System Physiology – Animal
  1. Secretin increases the flow of bicarbonate ions from the pancreas into the small intestine to neutralize the stomach acid.
  2. Trypsinogen is activated, thus neutralizing the stomach acid.
  3. Bile salts from the gallbladder neutralize the stomach acid.
  4. When pepsinogen activates pepsin, one result is the neutralization of stomach acid in the stomach.
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TLS Online TPP Program

#Question id: 27115

#Unit 4. Cell Communication and Cell Signaling

Vibrio cholerae releases a protease that disrupts tight junctions by degrading the
TLS Online TPP Program

#Question id: 3321

#Unit 11. Evolution and Behavior

When an allele at one locus spreads by natural selection acting on a second locus knows as
TLS Online TPP Program

#Question id: 18664

#Unit 13. Methods in Biology

2D electrophoresis is the combination of 
TLS Online TPP Program

#Question id: 31072

#Unit 2. Cellular Organization

During S phase and mitosis: 
a. Cdh1 is phosphorylated 
b. Cdh1 dissociates from APC/C
c. APC/C becomes inactive
d. Cdh1 associates with APC/C
e. APC/C becomes active

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 23573

#Unit 8. Inheritance Biology

Female flies with much smaller bar-shaped eyes resultant of__