Cell - Fundamental Unit of Life Quiz
Preview:
What form are chromosomes in during most of the life of the cell?
A. DNA
B. Chromatin
C. Mitosis
D. Nucleus
Describes the arrangement of the cell membrane as bendable and made of many parts.
A. The Fluid Mosaic Model
B. The Major Mobility Model
C. The Crazy Cell Model
D. The Maze Model
A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?
A. Water moved into the lettuce cells by active transport.
B. Water moved into the lettuce cells by osmosis.
C. Salt moved into the lettuce cells by diffusion.
D. Water moved out of the lettuce cells by osmosis.
In passive transport, the concentration gradient goes from..
A. Low to low
B. High to low
C. Low to high
D. High to high
The student sitting next to you just came from gym class and forgot to shower and you can tell. is this diffusion, osmosis or active transport?
A. diffusion
B. osmosis
C. active transport
network of proteins found within the cytoplasm for support and structure in cell
A. Cytoskeleton
B. Mitochondria
C. Cilia
D. Ribosome
What only allows certain molecules to enter or leave the cell, and separates the internal metabolic reactions from the external environment?
A. Plasma Membrane
B. Nucleus
C. Mitochondria
D. Ribosomes
Elodea is a freshwater plant. When it is placed in saltwater what will happen to its cells?
A. They will become turgid because water is entering the cell, making them firm
B. They will become flaccid because water is entering and leaving the cell at equal rates, making them a little soft
C. They will be plasmolyzed because water is leaving the cell, making them shrink significantly
chlorophyll containing organelle in plants that uses light energy to help create glucose in a process called photosynthesis
A. mitochondria
B. chloroplast
C. vacuole
D. lysosome
The picture is an example of…
A. active tranport
B. passive transport
C. diffusion
D. osmosis
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred?
A. The swollen gums have absorbed the saltwater solution.
B. The saltwater solution lowers the temperature of the water in the gums.
C. The salt in the solution has moved against the concentration gradient.
D. The water in the gums has moved out due to the high concentration of salt in the solution.
Which activity can occur without the use of energy?
A. contraction of muscle tissue
B. protein synthesis in a cell
C. active transport of minerals
D. movement of water across a membrane
After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.
A. hypertonic
B. hypotonic
C. isotonic
clear gel-like fluid in cells that holds the organelles
A. Cytoplasm
B. Microtubules
C. Centrosome
D. Vacuole
breaks down food into energy that the cell can use in a process called cellular respiration
A. chloroplast
B. ribosome
C. mitochondria
D. nucleus
