Properties of Water
Macromolecules & Enzymes
Microscopes & Cell Theory
Cell Structures
Cell Membrane & Cell Transport
100
Attraction between molecules of different substances
Adhesion
100
Which type of biomolecule is this?
Nucleic Acid
100
Which type of microscope works by using beams of light to produce images?
Light microscopes
100
True or False: Both prokaryotes and eukaryotes contain a nucleus
False, only eukaryotes contain a nucleus
100
What is structure D?
Carbohydrate chain
200
This property of water is why drops of water form beads on a smooth surface
Cohesion
200
This type of macromolecule is an energy source for the cell and is a component in cell walls of plants
Carbohydrates
200
Which type of microscope uses beams of electrons focused by magnetic fields?
Electron microscopes
200
True or False: All animal cells have cell walls
False
200
What is structure G?
Channel protein
300
What is a special form of cohesion that causes the surface of water to resist rupture
Surface tension
300
Identify the macromolecule
Lipid
300
Which type of electron microscope is best suited to create a 3D image of a cell's organelle?
Scanning Electron Microscope
300
What structure is this?
Mitochondria
300
A type of transport in which substances move from a low concentration gradient to a high concentration gradient
Active transport
400
The ability of water to move up a glass tube is due to
capillary action
400
Enzymes work by ________ the activation energy of a reaction
decreasing
400
The Miller-Urey Experiment suggested that organic compounds necessary for life could have arisen from simpler compounds on a primitive Earth by producing what in their experiment?
amino acids and other organic compounds
400
What is this organelle?
Rough ER
400
A type of transport in which water moves from an area of high concentration to an area of low concentration
Osmosis
500
Water is able to form multiple hydrogen bonds (which accounts for many of water's special properties) due to its
polarity
500
Name 2 factors that could denature enzymes
Acceptable answers:
Temperature
pH
Concentration of enzyme-substrate
500
What type of organisms developed first due to the anaerobic conditions on Earth?
prokaryotes
500
Name 2 characteristics that both prokaryotes and eukaryotes share
Acceptable answers:
DNA
Ribosomes
Cytoplasm
Cell Membrane
500
Food coloring diffusing in water is which type of transport?
Passive Transport