Protein families contain proteins with identical primary, secondary, and tertiary structures.
a. true
b. false
Ans: b. false
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Describe the modern techniques for studying marine biology and the dissemination of information about marine biology
What will be an ideal response?
The two main stages of digestion include _______ digestion and chemical digestion.
Indicate whether the statement is true or false.
During the synthesis of which type of molecule is a carboxyl group lost from a fatty acid, and water produced as an end product?
A) lipids B) proteins C) nucleic acids D) carbohydrates
How is Ras activity turned off?
a) it is turned off by phosphorylation b) it is turned off by an allosteric inhibitor c) it is turned off by hydrolysis of its bound GTP to GDP d) it is turned off by hydrolysis of its bound GDP to GTP e) it is turned by hydrolysis of its bound GTP to GMP