Kelp beds are considered important because they support large
a. fish.
b. sea urchins.
c. diverse communities.
d. sea otters.
e. sharks.
C
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Lactose is composed of _____________ joined by a _____________ linkage
A. glucose and galactose; glycosidic B. two glucoses; peptide C. glucose and fructose; glycosidic D. two amino acids; peptide E. two galactoses; glycosidic
Match the following items with the correct phrases.
_______1. _______________ are chemotrophs that use inorganic chemicals as their energy source. _______2. Organisms that use organic compounds as their source of carbon are called ____________________. _______3. Organisms that use organic compounds as their energy source are called ____________________. _______4. Organisms that use carbon dioxide as their source of carbon are called ____________________. _______5. Organisms that use light as their energy source are called ____________________. a. autotrophs b. heterotrophs c. lithotrophs d. organotrophs e. phototrophs
Does the presence or absence of a particular protein correlate with the presence or absence of a particular allele?
a. Yes b. No
Meiosis is the process through which sex cells are produced. During which stage of meiosis could you see crossing over occurring in human gamete development?
A) metaphase I B) telophase II C) prophase I D) prophase II