Cell like shape heads face water (hydrophilic) while the tails face inside (hydrophobic)) is called a ___________. This is found in the _____________ membrane.
Fill in the blank(s) with the appropriate word(s).
Answer: Bilayer, cell
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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.
In a resting neuron, which positively charged ions are more concentrated outside of the cell?
A. calcium B. magnesium C. sodium D. potassium
Formation of ____________________ is an intermediate stage in the development of colon cancer. Fill in the blank(s) with the appropriate word(s)
The enzyme that attaches DNA nucleotides at the ends of eukaryotic chromosomes in order to prevent chromosome shortening is called
A. Topoisomerase. B. Telomerase. C. Ligase. D. Polymerase. E. Primase.