#Question id: 552
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following is true of the binding energy derived from enzyme-substrate interactions?
#Question id: 1403
#Unit 4. Cell Communication and Cell Signaling
Tumor-suppressor genes encode proteins with which of the following functions?
a. growth-promoting b. growth-arresting c. pro-apoptotic
d. anti-apoptotic e. DNA repair
#Question id: 1279
#Unit 4. Cell Communication and Cell Signaling
A tight junction is made up of which of the following proteins?
a. tricellulin b. occludin
c. claudin d. connexins
#Question id: 5760
#Unit 8. Inheritance Biology
The fluctuation test of Luria and Delbruck (studying resistance to bacteriophge T1 infection) established that
#Question id: 4957
#Unit 11. Evolution and Behavior
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?