Put the following steps of DNA replication in chronological order.
1. Single-stranded binding proteins attach to DNA strands.
2. Hydrogen bonds between base pairs of antiparallel strands are broken.
3. Primase binds to the site of origin.
4. DNA polymerase binds to the template strand.
5. An RNA primer is created.
A. 2, 1, 3, 5, 4
B. 3, 1, 5, 4, 2
C. 1, 5, 3, 4, 2
D. 3, 5, 1, 2, 4
Answer: A. 2, 1, 3, 5, 4
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The alpha (?) helix is a type of ________ protein structure.
A. primary B. quaternary C. tertiary D. secondary
The most advanced stone tools were made by:
a. Homo habilis. b. Homo erectus. c. Neandertals. d. Cro-Magnons. e. Homo africanus.
The manipulation of genetic material for human purposes, the practice of ________, began almost as soon as we began to understand the language of DNA
Fill in the blank(s) with correct word
Which category of genetic changes does not lead to the formation of oncogenes?
A) translocations B) point mutations C) correct DNA repair D) copy number changes