Which of the Following Procedures Would Identify the Enzyme That

question 9

Multiple Choice

Which of the following procedures would identify the enzyme that catalyzes the carboxylation of ribulose-1,5-bisphosphate?

• A) irradiating a leaf extract with red light
• B) introducing radiolabeled carbon dioxide into a plant extract and determining which molecules become radiolabeled
• C) purifying a variety of proteins from plant extracts and testing each protein individually to see if it can carboxylate ribulose-1,5-bisphosphate
• D) differential sedimentation of a protein extract

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Definitions:

Defective Enzyme

An enzyme with an abnormal structure that prevents it from performing its biological function correctly.

Allele

A version among two or more possibilities of a gene that emerges through mutation and occupies the same position on a chromosome.

Alternative Gene Variants

Different forms or versions of the same gene, resulting in variability within a population's genetic composition.

Genotype

Genotype refers to the genetic makeup of an organism; it is the set of genes that an organism carries.