Which of the vertebrae listed below would be the largest and strongest vertebra in adult humans?
a) C5
b) L4
c) T4
d) C7
e) T12
b
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Which reaction involving CO2 predominates within erythrocytes in the pulmonary capillaries of the lung?
A. HCO-3 combines with H+ to form H2CO3, which dissociates into CO2 and H2O. B. HCO-3 dissociates into H+, CO, and O2. C. CO2 combines with H+ to form HCO2. D. CO2 combines with water to form bicarbonate ion and carbonic acid.
What category do hair cells in the organ of Corti belong to?
A. Proprioceptors B. Chemoreceptors C. Photoreceptors D. Nociceptors E. Mechanoreceptors
Which of the following occurs when the product of a metabolic pathway binds to an enzyme and decreases enzymatic activity?
A. Allosteric inhibition B. Second messaging C. Coupling D. End-product therapy
For the following strand of DNA, use the table below to provide: bases for the complementary mRNA and bases for the corresponding tRNA molecules and the associated amino acids. What do you notice about the relationship between the DNA and the anticodons? What do you notice about the genetic code for proline in the peptide? How would the loss of the first G or switching that G to a T affect the
structure and function of this protein?
DNA: GGC CTA CAA GCC GGA ACA GTT ACC GCG TAA CGA
mRNA:
tRNA:
