Fungi and insects both use the nitrogenous polysaccharide (cellulose/chitin/silica) as a protective molecule in their outer surfaces
What will be an ideal response?
chitin
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Which of the following is a difference between a purine and a pyrimidine?
a. Purines have a single ring structure. b. Pyrimidines cannot bind phosphate. c. Pyrimidines are smaller in size. d. Purines are only found in RNA.
Increased technology that has led to more captured fish include:
a. giant factory ships. b. radar. c. aircraft. d. underwater video surveillance cameras. e. both a and c
The chemical behavior of an atom is determined most directly by the:a
atomic number. b. atomic weight. c. number of neutrons. d. number of energy levels. e. number of valence electrons
Independent assortment occurs during which of the following stages?
a) prophase I b) interphase c) metaphase d) metaphase I e) prophase I and prophase II