The primary function of spongy mesophyll is:
a. photosynthesis.
b. transpiration.
c. to allow diffusion of gases.
d. transport of substances.
e. transport of water.
c
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Actinomycete spores are usually formed on ________ mycelia.
Fill in the blank(s) with the appropriate word(s).
People having heart attacks often perceive referred pain coming from the ________
a. small of back b. left shoulder and arm c. right shoulder and arm d. stomach
The __________ gland produces hormones and is the site where __________ (a kind of white blood cell) mature.
Fill in the blank(s) with the appropriate word(s).
The bacterium Bacillus thuringiensis can withstand heat, dryness, and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a protective structure called ____________.
A. endotoxins B. pseudopodia C. endospores D. cellulose