Compared to the vital capacity, how much air can lungs actually hold?

A) always less
B) sometimes less
C) always more
D) sometimes more


Answer: C

Biology & Microbiology

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If the map distance between genes A and B is 20 map units and the map distance between genes B and C is 35 map units, what is the map distance between genes A and C?

A) 15 map units B) 55 map units C) More information is needed to distinguish between 15 and 55 map units. D) Gene C must be located on a different nonhomologous chromosome.

Biology & Microbiology

If and enzyme reaction is started with 100 mM Dihydrozyacetone phosphate and at equilibrium the product Glyceraldehyde 3-Phosphate formed was 80 mM. What is the Keq for this enzyme reaction?

a. 1.25 b. 0.8 c. 80% d. 4 e. 8

Biology & Microbiology

The ________ route of drug administration is commonly used for small laboratory animals such as the rat.

a. intraperitoneal b. oral c. intravascular d. topical e. intranasal

Biology & Microbiology

Not long ago, it was believed that a count of the number of protein-coding genes would provide a count of the number of proteins produced in any given eukaryotic species. This is incorrect, largely due to the discovery of widespread _____

A) chromatin condensation control B) transcriptional control C) alternative splicing D) translational control

Biology & Microbiology