15 steps in dna replication in order i unwinding of

15. Steps in DNA replication in order:
I. Unwinding of the DNA by helicase.
II. Creation of the primer through the primase.
III. DNA polymerase III creates the complimentary strand
along the replication fork.
IV. DNA ligase joins the Okazaki fragments, forming the
second copy of the original DNA.
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Kitkat,RPh
ANSWER: A (All statements are true)
16. What is the prosthetic group present in cytochromes?
17. What is the classification of the enzyme phosphodiesterase? 18. Site of intermediate reaction.
A. Mitochondria C. Ribosomes
B. Nucleus D. Intermembrane space

19. In an uncompetitive inhibition, the:
20. Epimer of D-glucose at carbon 4. For items 21-25: refer to the choices below:
21. A molecule composed of a core protein and one or several
covalently attached sulfated glycosaminoglycan chains.
- E (Proteoglycans)
22. An oligosaccharide chain that is covalently bonded to the
polypeptide side chains of the protein. – D (Proteoglycans)
23. These are long, unbranched polysaccharide consisting of an
amino sugar acetylglucosamine along with a uronic sugar or
galactose. – C (Glycosaminoglycans)
24. Are lipid residue with a carbohydrate attached through a
glycosidic bond. – B (Glycolipids)
25. It is distributed widely throughout connective, epithelial, and
neural tissues. – A (Hyaluronic acid)
26. The rate-limiting step in the mevalonate pathway.
27. A point mutation where the purine base was changed by a
pyrimidine base.