The smallest unit that retains the chemical and physical properties of an element is a(n) ____
a. proton
b. compound
c. molecule
d. neutron
e. atom
E
Biology & Microbiology
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Angiosperm tracheids move water more rapidly from roots to shoots than gymnosperm tracheids
Indicate whether the statement is true or false.
Biology & Microbiology
Performing an experiment where the sample sizes are
small may result in a. sampling error. b. blind testing. c. loss of evidence. d. strong support of the experimental design. e. consensus errors.
Biology & Microbiology
Which part of an amino acid is always acidic?
a. Amino functional group b. Carboxyl functional group c. Side chain ("R group") d. None of the above
Biology & Microbiology
The study of the worldwide distribution of plants and animals is called
a. paleontology. b. microevolution. c. comparative morphology. 637 d. biogeography. e. phylogeny.
Biology & Microbiology