PLEASE HELP ME ANSWER THESE QUESTIONS THANK YOU!!!! Binding of a ligand to one p

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PLEASE HELP ME ANSWER THESE QUESTIONS THANK YOU!!!!

Binding of a ligand to one protein in a multi-subunit complex may increase the affinity of a second ligand to another protein of the same complex. This is termed: competitive inhibition cooperative allosteric transition incidental binding an allosteric transition magic When a protein and its substrate interact, the following will always occur: the shape of the protein will change numerous weak non-covalent bonds will form a small number of covalent bonds will also form a and b, but not c a, b, and c are all correct DNA replication results in a new DNA double helix that is composed of: two entirely new strands two new strands, each containing a mix of new and old template strands one new strand and one template strand it depends upon the organism replication results in mRNA, not DNA Some protein catalysts utilize acids and bases simultaneously by: catalyzing the production of acid catalyzing the production of base preventing an acid and a base from reacting with each other maintaining the proper pH proteins should never use acids and bases together--its unsafe The ability of a cell to assemble several pre-formed molecules into a single protein complex is valuable because: large protein complexes are less susceptible to denaturation less genetic information is required fewer raw materials are required a and b a, b, and c Lysozyme binds its substrate within a groove on its surface using: covalent amino acid--sugar bonds numerous hydrogen bonds energy derived from ATP unique divalent bonds ionic bonds between amino acids The enzymatic activity of many proteins is altered by addition of a phosphate group by a class of called: kinases ligases allosterics phosphatases the class varies between organisms Activation of Cdk protein requires all of the following except: binding with cyclin phosphorylation de-phosphorylation none of these is required

Explanation / Answer

9. (a) Competitive inhibtion

10. (d) a nd b but not c

11. (b)

12. (e)

13. (d)

14. (a)

15. (e)

16. (d)

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