Air and water vapor cross the epidermis via

a. pits.
b. perforations.
c. osmosis.
d. stomata.
e. tracheids.


Answer: d

Biology & Microbiology

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Diastolic pressure is

a. the lowest blood pressure in the aorta. b. the pressure measured when the left ventricle is contracted. c. the peak pressure in the aorta when the left ventricle contracts. d. the difference between the highest and lowest pressures. e. an average of high and low pressures.

Biology & Microbiology

If we assume that carbon is the sole nutrient needed by sea slugs to drive their cellular respiration, then based on the graph, during which season(s) is it LEAST necessary for P. ianthina to act as a chemoheterotroph?

A) winter B) spring C) summer D) fall

Biology & Microbiology

The transfer of genes from dead bacteria to live bacteria is called transformation.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Organelles that contain DNA include

a. mitochondria. b. chloroplasts. c. ribosomes. d. lysosomes. e. mitochondria and chloroplasts.

Biology & Microbiology