1) Which of the following statements about DNA replication is false? a) unwindin
ID: 70767 • Letter: 1
Question
1) Which of the following statements about DNA replication is false?
a) unwinding of the DNA molecule occurs as hydrogen bond breaks
b) replication occurs as each base is paired with another exactly like it
c) the enzyme that catalyzes DNA replication is DNA polymerase
d) the process known is semi-conservative replication because one old strand is ocnserved in the new molecule
e) complementary base pairs are held together with hydrogen bonds
2) ______ and their associated protein kinases ensure an orderly progression through cell division by serving as checkpoint molecules.
a) cyclins b) operons c) hormones d) codons e) cytokines
3) Which of the following is NOT a characteristic of genes?
All genes are actively expressed in all body cells.
They are randomly assorted when forming gametes.
They reoccur in pairs at fertilization reinstating the diploid number of chromosomes.
They determine particular traits.
They consist of specific nucleotide sequences which encode RNA s & ultimately proteins.
All genes are actively expressed in all body cells.
They are randomly assorted when forming gametes.
They reoccur in pairs at fertilization reinstating the diploid number of chromosomes.
They determine particular traits.
They consist of specific nucleotide sequences which encode RNA s & ultimately proteins.
Explanation / Answer
1)b
No A pairs with T and G pairs with C
2)a cyclin
3) C
gene shows a range of traits
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