The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH along a chain to ____.
A. oxygen
B. acetyl CoA
C. FADH
D. CO2.
E. NADPH
Answer: A
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In a chemical reaction, 1,3-bisphosphoglycerate + ADP yields 3-phosphoglycerate plus ATP. What is the delta G for this reaction?
A. Greater than zero. B. Less than zero. C. Equal to zero. D. Cannot be determined
Match the following items with the correct phrases.
_______1. A protein that plays a role in DNA replication. _______2. The end product of transcription. _______3. A protein that plays a role in transcription. _______4. The location of codons. _______5. The location of anticodons. _______6. An integral part of ribosomes, whether or not they are participating in protein synthesis. _______7. Produced in the nucleolus of eucaryotic cells. _______8. The molecule responsible for “activating” amino acids, thus enabling them to be added to the growing polypeptide chain. a. DNA polymerase b. RNA polymerase c. mRNA d. rRNA e. tRNA
The polar end of a phospholipid ____
a. is in contact with an aqueous solution b. does not mix with water c. is composed of a phosphate group linked to an alcohol or amino acid d. is soluble in water e. more than one answer is correct
PCR has revolutionized the criminal justice system through DNA fingerprinting
For a given fragment of DNA, showing that a suspect's fingerprint differs from that found at a crime scene immediately excludes him or her from suspicion, yet finding a match does not mean that guilt can be automatically concluded. Why?