Psilotum lacks
a. roots.
b. a mechanism to take up water and minerals.
c. vascular tissue.
d. alternation of generations.
c
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If a positive reaction is last observed at a dilution of 1:256, the titer is
A. 128. B. 1/512. C. 1/256. D. 256.
Which of the following is NOT true about
fossil fuels?
a. they currently are not cost effective b. they are made from non-fossilized organic matter c. they include oils, gases, and alcohols mainly from plants d. they add more carbon dioxide to the atmosphere e. more than one of these is not true
The probability of producing a child who suffers from cystic fibrosis by two parents who are carriers
for the autosomal recessive disorder is a. 50 percent. b. 0 percent. c. 100 percent. d. 25 percent. e. 75 percent.
When proteins are synthesized by ribosomes on the rough endoplasmic reticulum, where does the translation begin?
A) cytosol B) rough endoplasmic reticulum C) smooth endoplasmic reticulum D) nucleus E) Golgi apparatus