Gasoline will not burn in your car's engine unless it is ignited with a spark from a sparkplug. In this situation, the spark is providing:
A) hydrolytic energy.
B) activation energy.
C) entropy.
D) enzymatic energy.
E) coenzyme energy.
Answer: B
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The answer set for this question shows a series of short amino acid sequences obtained from a protein. If you were faced with choosing one of these to design a probe for a particular gene, which would provide the simplest probe or probe set?
(To answer this question, consult the codon table shown in the figure above.) A) leucine-leucine-serine-leucine B) leucine-serine-proline-proline C) proline-methionine-proline-leucine D) tryptophan-methionine-tryptophan-tryptophan
How are hormones that are made by cell bodies in the hypothalamus delivered to the pituitary gland?
a. via exocrine ducts b. by the systemic bloodstream c. by capillaries that supply the anterior pituitary d. by axons e. by the lymphatic system
The _____ is an example of an EXTERNAL female sex organ.
A. ovary B. clitoris C. uterus D. vas deferens
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is inherited as an X-linked recessive gene in humans. A woman whose father suffered from G6PD marries a normal man
(a) What proportion of their sons is expected to be G6PD? (b) If the husband were not normal but were G6PD deficient, would you change your answer in part (a)?