Which of the following statements is (are) correct about an oxidation-reduction (or redox) reaction?
A) The molecule that is reduced gains electrons.
B) The molecule that is oxidized loses electrons.
C) The molecule that is reduced loses electrons.
D) The molecule that is oxidized gains electrons.
E) Both A and B are correct.
Ans: E) Both A and B are correct.
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Match each of the proteins involved in DNA replication with its function
a. DNA helicase b. Topoisomerase II c. Single-stranded binding proteins d. DNA polymerase _____ Attaches DNA nucleotides to an RNA primer _____ Unwinds the DNA duplex _____ Relieves the stress on the replication fork caused by unwinding _____ Proofreads the growing DNA strands and replaces mismatched nucleotides _____ Prevents strands of DNA from rejoining after being unwound What will be an ideal response?
The rib cage is also called the _________ cage.
Fill in the blank(s) with the appropriate word(s)
Paul was an orphan found wandering a city street when he was 2 years old. At age 52, he began to experience muscle spasms and was having difficulty walking. Which of the following genetic disorders is most probable?
A) Marfan syndrome B) Huntington's disease C) PKU D) CF
The pyruvate dehydrogenase complex oxidizes and cleaves pyruvate to form one CO2 and ________.
A. lactate B. succinyl-CoA C. acetyl-CoA D. isocitric acid