Separate populations are called:
a. schools.
b. aggregates.
c. stocks.
d. clusters.
e. races.
C
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Match the following items with the correct phrases.
_______1. Membrane-bound organelles where photosynthesis occurs. _______2. The sites of protein synthesis in procaryotic cells. _______3. Membrane-bound organelles where energy is produced by the Krebs cycle and electron transport chain. _______4. Short, hairlike projections that are used as organelles of locomotion by some eucaryotic cells. _______5. Found in procaryotic cells as well as eucaryotic cells. _______6. The sites of protein synthesis in eucaryotic cells.
Which country has the warmest average yearly
temperature?
a. Mexico b. Japan c. Canada d. Germany e. United States
Peptidoglycan is a compound in ____
a. bacterial flagella b. bacterial cell walls c. archaean cell walls d. archaean flagella e. eukaryote cell walls
Crossing-over occurs between
a. sister chromatids of the same chromosome. b. chromatids of nonhomologous chromosomes. c. nonsister chromatids of a homologous pair. d. None of these are correct.