In animals, respiration is a physiological process by which O2 enters the internal environment and CO2 leaves by diffusing across a thin, moist __________.
Fill in the blank(s) with the appropriate word(s).
respiratory surface
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A researcher is looking for met- strains. He/she compares two plates. One plate has colonies growing
on complete medium. The other plate has colonies growing on methionine deficient medium. How can the researcher determine which colonies are met-?
a. The colonies growing on the methionine plate are met-. b. met- colonies grow on the complete medium but do not grow on the plate lacking methionine. c. We cannot determine which colonies are met- because we do not have enough information. d. Only the colonies growing on the complete medium are met-. e. met- colonies grow on the plate lacking methionine but do not grow on the complete medium.
helps to recycle the cell's organic material
A. lysosome B. vacuole C. mitochondrion D. Golgi apparatus E. peroxisome
process of swallowing
What will be an ideal response?
Most antimicrobial drugs are derived from which two bacterial and which two fungal genera?
> Bacillus > Streptomyces > Penicillium > Cephalosporium > Clostridium > Saccharomyces