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