Water typically makes up about what percentage of a plant?
A. 80%
B. 50%
C. 90%
D. 100%
E. 40%
C. 90%
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A botanist discovers a new seed-forming plant. She notices that this plant lacks a vascular cambium and also appears to form new roots at the base of its stem. How should this plant be classified? Select all correct choices
A. as an angiosperm B. as a cycad C. as a conifer D. as a monocot E. as a eudicot
Identify a carbohydrate monomer that is absorbed from the digestive tract.
A. glycogen B. starch C. cellulose D. glucose E. lipoprotein
If both alleles of a particular gene are identical, the person is said to be
A) an identical twin. B) phenotypic. C) heterozygous. D) homozygous. E) genotypic.
Restriction enzymes are obtained from ________.
A) archaea B) eukaryotes C) viruses D) bacteria