One of the major differences between plants and animals with regard to oxygen is that
__________.
a. plants do not require oxygen
b. animals produce oxygen
c. plants produce oxygen
d. plants use oxygen to generate energy
C
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__________ fills spaces between cells. Fill in the blank(s) with the appropriate word(s)
A difference between the chemoreceptors for taste and smell is that the receptors for smell are located on olfactory receptor cells, which are true sensory neurons.
a. true b. false
Three (3) eggs are boiled and all weigh 2g. The eggs are placed in a 15% solution of NaCl and reweighed after 30 minutes.
McGraw-Hill EducationWhich egg is isotonic to the solution?
A. Egg 1 B. Egg 2 C. Egg 3
What keeps the alveoli open so that gas exchange can take place?
Select one: a. rings of cartilage b. surfactant c. smooth muscle d. mucus e. air