Which of the following serves as both reactant in photosynthesis and product in cellular respiration?

-O2
-CO2
-H2O
-a and b
-b and c


-b and c

Biology & Microbiology

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Which of the following is INCORRECT about ribosome biosynthesis and structure?

A. Ribosomes are composed of two subunits. B. Ribosomes are composed of RNA. C. All components of the ribosome are produced in the cytosol. D. Ribosomal proteins are produced in the cytosol. E. Ribosomes are composed of proteins.

Biology & Microbiology

cA toxic substance (compound x) had been found to inhibit glucose transport into mammalian cells. If

this substance was administered to a hamster, the likely cause of death would be from a lack of ____.

a. NAD+ production b. ATP production c. GTP production d. CO2 production e. FAD production

Biology & Microbiology

Which of the following is a CORRECT matching of an organelle and its function?

a. Golgi apparatus - protein synthesis b. lysosome - transport c. mitochondrion - cell respiration d. endoplasmic reticulum - houses DNA

Biology & Microbiology

Which of the following statements is not true of protists?

A. Moisture is absolutely essential to their existence. B. They make up a substantial fraction of the marine plankton. C. They are not known to cause diseases of humans. D. Most are free-living.

Biology & Microbiology