Need help for Biochem questions

[c8758]

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1. Which of the following represents a reaction that is involved in gluconeogenesis from pyruvate and also is an anaplerotic reaction that primes the tricarboxylic acid cycle?
A) Pyruvate --> Oxalocetate
B) Pyruvate --> Acetyl- CoA
C) Phosphoenolpyruvate --> Pyruvate
D) Oxalocetate --> Phosphoenolpyruvate
E) Pyruvate --> Lactate

2. Transmission of sound from the tympanic membrane to the cochlea is accomplished by which of the following?
A) Never fibers
B) Auditoryossicles
C) Wave Characteristic of sound
D) Passage through a fluid filled compartment
E) Penetration of the sound waves through thin membranes

3. Which of the following BEST describes GTP-binding Proteins (G-Proteins)?
A) They are important components of steroid hormone signal transduction.
B) They catalyze the reaction that produces diacyglycerol.
C) They are tightly bound to adenylate
D) They usually inactive protein kinase C
E) They are self inactivating.

 

[robhmnt]

1. Which of the following represents a reaction that is involved in gluconeogenesis from pyruvate and also is an anaplerotic reaction that primes the tricarboxylic acid cycle?
A) Pyruvate --> Oxalocetate
B) Pyruvate --> Acetyl- CoA
C) Phosphoenolpyruvate --> Pyruvate
D) Oxalocetate --> Phosphoenolpyruvate
E) Pyruvate --> Lactate

2. Transmission of sound from the tympanic membrane to the cochlea is accomplished by which of the following?
A) Never fibers
B) Auditoryossicles
C) Wave Characteristic of sound
D) Passage through a fluid filled compartment
E) Penetration of the sound waves through thin membranes

3. Which of the following BEST describes GTP-binding Proteins (G-Proteins)?
A) They are important components of steroid hormone signal transduction.
B) They catalyze the reaction that produces diacyglycerol.
C) They are tightly bound to adenylate
D) They usually inactive protein kinase C
E) They are self inactivating.

^^^

 

[c8758]

thanks for the answer