Cell Theory
Properties of Water
Macromolecules
Cell Structure & Function
Cell Membrane
100
Which of the following scientists contributed to the cell theory?
A. Rudolf Virchow, Albert Einstein, Anton van Leuwenhoek
B. Matthais Schleiden, Charles Darwin, Rudolf Virchow
C. Robert Hooke, Theodor Schwann, Anton von Leuwenhoek
D. George Clooney, Matthais Schleiden, Charlie Sheen
C. Robert Hooke, Theodor Schwann, Anton von Leuwenhoek
100
Force that holds water molecules together
Cohesion
100
Source of short term energy
Carbohydrates
100
What is the main function of the Golgi Apparatus?
Modifies and packages proteins
100
The cell membrane is selectively permeable, which means...
Certain things can enter while others cannot
200
Unlike eukaryotes, prokaryotes do not have:
A) DNA
B) cytoplasm
C) cell walls
D) a membrane bound nucleus
D) a membrane bound nucleus
200
This property allows tall tress to get water to the top
Capillary Action
200
DNA and RNA are examples of...?
Nucleic Acids
200
Name an organelle unique to plant cells?
Chloroplast
200
Membranes are made up of two layers of what?
Lipids (Phospholipid bilayer)
300
Which of the following statements is NOT part of the cell theory?
A) Cells are the basic unit of structure and function in all living things.
B) All cells are produced from other cells.
C) Only animal cells are composed of cells.
D) All living things are composed of cells.
C. Only animal cells are composed of cells.
300
Force that allows water to "bubble" on top of a penny
Surface Tension
300
Amino acids are the monomer of which macromolecule
Proteins
300
Which organelle contains enzymes that break down damaged cell parts?
Lysosomes
300
Which phrase describes passive transport?
A) requires transport proteins
B) requires no energy from the cell
C) requires isotonic solution
D) requires facilitation by enzymes
B) requires no energy from the cell
400
What is one way in which all living things on Earth are alike?
A) All living things have hair.
B) All living things are made of cells and come from other cells.
C) The cells of all living things have chloroplast.
D) All living things can move.
B) All living things are made of cells and come from other cells.
400
Water is resistant to change temperature due to?
High Heat Capacity (High Specific Heat)
400
glycerol and two fatty acid chains make up the monomer of which macromolecule?
Lipids
400
Which best describes rough ER?
A) studded with ribosomes
B) protected by vesicles
C) connected to Golgi Apparatus
D) stored in the vacuole
A) studded with ribosomes
400
What is the term for the diffusion of water across a semipermeable membrane?
osmosis
500
Tiny structures that carry out cell functions are collectively called:
A) animalcules
B) organelles
C) tissues
D) ribosomes
B) organelles
500
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.
D. The water in the gums has moved out due to the high concentration of salt in the solution.
500
Cellulose is a carbohydrate with what main purpose?
Main component of the cell wall in plant cells
500
A. an animal cell
B. a prokaryotic cell
C. a virus
D. a plant cell
D. a plant cell
500
Give three structures that prokayotic and eukayotic cells have in common
Cell membrane, DNA, Ribosomes