The mature body form of the sporophyte of a typical ____ has fronds growing from a rhizome, with
sori on the lower surface or margins of some of the fronds.
a. moss
b. whisk fern
c. fern
d. club moss
e. horsetail
C
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Unlike endurance training, weight lifting will convert ____
a. slow muscle fibers to fast muscle fibers b. fast muscle fibers to slow muscle fibers c. fast muscle fibers from the anaerobic to the aerobic type d. fast muscle fibers from the aerobic to the anaerobic type e. fat to muscle fibers
Transport of a molecule across a cell membrane by facilitated diffusion ____
a. does not exhibit specificity for a particular type of molecule b. requires the input of energy c. depends on a concentration gradient d. goes against the concentration gradient e. allows non-polar uncharged molecules to diffuse across a membrane
The organelle that converts harmful hydrogen peroxide to water and oxygen is the ____
a. smooth ER b. peroxisome c. Golgi body d. ribosome e. lysosome
If yeasts are grown under anaerobic conditions, pyruvate is converted first to ____ and then to ____
a. citrate; oxaloacetate b. acetaldehyde; lactate c. lactate; carbon dioxide d. acetaldehyde; ethyl alcohol e. acetyl coenzyme A; citrate