In the accompanying figure, ionic bonds would form between the R groups of which amino acids?
a. 1 and 3
b. 2 and 4
c. 3 and 5
d. 4 and 6
e. 3 and 6
b
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According to the induced fit hypothesis of enzyme catalysis, _____
A) the binding of the substrate depends on the shape of the active site B) some enzymes change their structure when activators bind to the enzyme C) a competitive inhibitor can outcompete the substrate for the active site D) the binding of the substrate changes the shape of the enzyme's active site E) the active site creates a microenvironment ideal for the reaction
Predict what would happen if you used the pH indicator thymophthalein instead of phenol red in the above setup. Thymophthalein solution appears colorless below pH 9.3, but blue at higher pH.
What will be an ideal response?
The exiting of wastes from the excretory system is
a. reabsorption. b. release. c. filtration. d. secretion. e. diffusion.
The type of ribonucleic acid that, together with proteins, makes up ribosomes; The most abundant type of RNA in most cells
What will be an ideal response?