The lipid bilayer is composed primarily of what two biological molecules?
Sugars and fats
Carbohydrates and proteins
Proteins and fats
Sugars and proteins
Which of the following eukaryotic intracellular components are NOT organelles
Animal cells contain
Which of the following phrases best matches the definition of the term hydrophobic?
The term hydrophilic means which of the following
Repelled by water
Insoluble in water
Attracted to water
The most abundant class of lipids found in the lipid bilayer are _________.
What is the name of the process by which plants convert light energy into biological energy?
Which of the following is NOT a property of the lipid bilayer?
Which type of cell HAS a nucleus?
What organelle is responsible for carrying out photosynthesis?
Molecules done being processed in the ER are often transported to which structure?
Which of the following eukaryotic organelles is primarily responsible for cellular digestion?
Which of the following is not a specialized plant cellular structure?
Which structure in plants replaces the function that the mitochondria performs in animal cells? (plants still have mitochondria)
What is the name of the process by which molecules naturally flow from an area of higher concentration to one of lower concentration?
Membrane transport that occurs without the input of extra energy can be classified as what type of transport?
Membrane transport that requires the input of additional energy is called ___________.
What is the main function of the mitochondria?
Which of these is found in the cell nucleus?
All of the above
_____________ ER has ribosomes attached to its outer membrane.
Membrane transport is important for which of the following biological processes?
Maintenance of cellular pH
The ER plays a major role in processing which of the following biological molecules?
Compared to water, the environment inside of the blood cell could be described as:
The process of water diffusing into or out of a cell is known as:
Diffusion is when the molecules of a substance move from a higher concentration to a lower concentration. Which of the following factors does NOT affect the rate of diffusion?
What would happen if you gave a patient an IV of pure water?
their blood cells would shrink
their blood cells would burst
the patient would slowly become rehydrated
water would not be moving
I am doing an experiment on osmosis. I take some dialysis tubing (a semi-permeable membrane) and fill it with 50% sugar solution. Sugar molecules are very big, and cannot pass through the membrane if i want to make the tubing gain weight, which beaker should I place it into?
Beaker of 70% sugar solution
Beaker of water
Beaker of 90% sugar solution
Beaker of any type of sugar solution
None of these would cause the tubing to gain weight
If the cell's cytoplasm contains 30% solute, which of the following best describes the rest of the cytoplasm?
Protists can move in which of these ways?
Cilia along their surface
Pseudopods like an amoeba
Energy from ATP is needed for
Which of the following correctly matches an organelle with its function?
ribosome..............manufacture of lipids
One of the main differences between animal and plant cells is that
animal cells lack rigid cell walls
animal cells have vacuoles
plant cells lack rigid cell walls
plant cells have small vacuoles