Cholesterol is a type of which lipid?
a. unsaturated fats
b. saturated fats
c. phospholipids
d. waxes
e. steroids
e
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Which of the following is NOT a property of fat or of fatty acids?
A. They are soluble in water. B. The source of variation in fat molecules is the fatty acid composition. C. Fatty acids can vary in number and location of C-C double bonds. D. Fatty acids may vary in length. E. Fats can be liquid or solid at room temperature, depending on fatty acid composition.
Four of the five answers listed below are involved in gene action. Select the exception
a. replication b. transcription c. translation d. polymerization e. base sequence
Would a two-letter code with four different nucleotides be sufficient to encode the 20 amino acids found in cells? Why or why not? What does the three-letter code imply about the nature of the genetic code?
What will be an ideal response?
Primary growth at the apical meristems can produce cells that differentiate into each of these cell types, except which?
A. Cork cambium B. Procambium C. Epidermis D. Ground tissue E. Leaves