Some examples from this set of practice questions
1.
What is the rate-limiting enzyme of glycolysis?
Answer: Phosphofructokinase-1 (PFK-1)
2.
What is the primary energy source for the brain during prolonged fasting?
Answer: Ketone bodies
3.
What enzyme is deficient in phenylketonuria (PKU)?
Answer: Phenylalanine hydroxylase
4.
Which vitamin is a cofactor for carboxylation reactions?
Answer: Vitamin K
5.
What molecule links glycolysis to the citric acid cycle?
Answer: Acetyl-CoA
6.
What is the rate-limiting enzyme of the pentose phosphate pathway?
Answer: Glucose-6-phosphate dehydrogenase (G6PD)
7.
Which enzyme is responsible for unwinding DNA during replication?
Answer: DNA helicase
8.
Which enzyme is deficient in Lesch-Nyhan syndrome?
Answer: Hypoxanthine-guanine phosphoribosyltransferase (HGPRT)
9.
What is the function of the enzyme ribonucleotide reductase?
Answer: Converts ribonucleotides to deoxyribonucleotides
10.
Which amino acid is essential for the synthesis of serotonin?
Answer: Tryptophan
Some examples from this set of practice questions
1.
What does the root word cephal- mean?
Answer: head
2.
The brain and spinal cord comprise the_______ nervous system.
Answer: central
3.
Where are the ventricles (which are filled with cerebrospinal fluid) found?
Answer: in the brain
4.
What are some general functions of the brain?
Answer: issues motor commands perception of sensation regulates visceral activity
5.
What are some parts of the brainstem?
Answer: midbrain and pons
6.
What is the largest part of the adult brain?
Answer: cerebrum
7.
Within the brain, the major area that is the seat of intelligence, personality, and conscious sensation is the_______
Answer: cerebrum
8.
Cavities within the brain containing cerebrospinal fluid are called________
Answer: ventricles
9.
What are the functional areas of the cerebral cortex?
Answer: motor, association, and sensory areas
10.
The neural centers and pathways that coordinate muscular movements are located in the ______.
Answer: brain
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