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WorksheetsBiology Quiz 3 Review
Total questions: 18
Worksheet time: 9mins
In which of the following do molecules move from high to low concentrations?
Exocytosis
Endocytosis
Diffusion
Sodium/Potassium Pumps
Polypeptides are proteins made up of a chain of amino acid monomers. Polypeptide is which of the following?
Monomer
Amino Acid
Phospholipid
Polymer
A cell has 90% water and is placed in a beaker with 40% water. What will happen to the cell in this environment?
It will swell
It won't change
It will burst open
It will shrivel up
Which term means picky about what can and cannot enter?
Hydrophobic
Hydrophilic
Selectively Permeable
Phospholipid
Which of the following best describes the fatty acid tails of a phospholipid?
Nonpolar & Hydrophobic
Nonpolar & Hydrophilic
Polar & Hydrophobic
Polar & Hydrophilic
Food coloring spreading out into water molecules in a beaker would be an example of what?
Exocytosis
Osmosis
Diffusion
Endocytosis
Which structure is made up of proteins and lipids?
Cholesterol
Polypeptides
Cell Membranes
Hypertonic Solutions
Which process does NOT require energy?
Exocytosis
Passive Transport
Endocytosis
Active Transport
Which structure is required for a sodium/potassium pump to function?
Carrier Protein
Channel Protein
Peripheral Protein
Integral Protein
Which process uses a vesicle instead of a protein to move molecules into a cell?
Exocytosis
Facilitated Diffusion
Sodium/Potassium Pumps
Endocytosis
Saturated fats are straight and are solid at room temperature.
True
False
What is the purpose of cholesterol in the cell membrane?
Provides structure
Gives the cell fluidity
Turns the membrane into olive oil consistancy
All of the Above
Unsaturated fats are healthier and are liquid at room temperature.
True
False
Which term refers specifically to movement of water across a membrane?
Diffusion
Osmosis
Facilitated Diffusion
Passive Transport
What is letter D pointing at
Phospholipid
Integral Protein
Channel Protein
Receptor
What is letter B pointing at?
Phospholipid
Integral Protein
Phospholipid Bilayer
Receptor
What is letter E pointing at?
Phospholipid
Integral Protein
Channel Protein
Receptor
What is letter C pointing at?
Phospholipid
Integral Protein
Channel Protein
Phospholipid Bilayer
