If you exposed a C4 plant to 14CO2 in the light, which would be the first organic molecule labeled with 14C?

A. phosphoenolpyruvate (PEP)
B. malate
C. pyruvate
D. oxaloacetate


Answer: D

Biology & Microbiology

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The "X" shaped chromosomal hereditary material can be packaged in this organelle in eukaryotic cells but not in prokaryotic cells. This organelle is the:

A. ribosomes. B. mitochondria. C. nucleoid. D. chloroplast. E. nucleus.

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The ability of cells to control their level of gene expression is called

A. gene transformation. B. gene regulation. C. gene splicing. D. gene addition. E. gene correction.

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An apoenzyme

A. is the protein part of a holoenzyme. B. is also called a coenzyme. C. is often an inorganic metal ion. D. is part of a simple enzyme. E. is an RNA molecule.

Biology & Microbiology

Muscle cells are responsible for obtaining energy so the body can perform voluntary and involuntary movement. Using you knowledge about organelles and muscles, how would a muscle cell differ from other types of animal cells?

A. The muscle cell would have larger centrioles than the other types of animal cells. B. The muscle cell would have more mitochondria than the other types of animal cells. C. The muscle cell would have a larger golgi apparatus than other types of animal cells. D. The muscle cell would have more endoplasmic reticulum than the other types of animal cells.

Biology & Microbiology