Question 1 DNA replication is said to be semi-conservative because Question 1 options: each daughter duplex contains one strand from the original DNA duplex and one newly synthesized DNA strand each of the original DNA strands is used as a template by a DNA polymerase to make a complementary DNA strand Replication is not conserved between daughter cells DNA polymerase adds dNMP residues to the free 3′ hydroxyl group of the growing DNA strand Question 3 DNA synthesis is said to be semi-discontinuous because: Question 3 options: Only the Lagging strand is synthesized continuously Only the Leading strand is synthesized continuously Both leading and lagging strands are synthesized discontinuously Replication starts ar replication fork Question 4 Unlike RNA polymerases, DNA polymerases cannot initiate synthesis unless provided with a short oligonucleotide primer with a free 3′ hydroxyl end (from which it can extend chain synthesis). True False
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Question 1
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each daughter duplex contains one strand from the original DNA duplex and one newly synthesized DNA strand |
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each of the original DNA strands is used as a template by a DNA polymerase to make a complementary DNA strand |
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Replication is not conserved between daughter cells |
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DNA polymerase adds dNMP residues to the free 3′ hydroxyl group of the growing DNA strand |
Question 3
DNA synthesis is said to be semi-discontinuous because:
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Only the Lagging strand is synthesized continuously |
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Only the Leading strand is synthesized continuously |
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Both leading and lagging strands are synthesized discontinuously |
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Replication starts ar replication fork |
Question 4
Unlike RNA polymerases, DNA polymerases cannot initiate synthesis unless provided with a short oligonucleotide primer with a free 3′ hydroxyl end (from which it can extend chain synthesis).
| True | |
| False |
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