This type of molecule allows for oxygen to be more electronegative than hydrogen, leading to an unequal distribution of electrons
What is polar molecules
100
These are the four (4) macromolecules
What is proteins, carbohydrates, lipids and nucleic acids.
100
This is a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
What is an enzyme
100
Which macromolecule is the major structure of the plasma membrane
What is lipids
100
These are the two (2) products of photosynthesis
What is glucose and oxygen
200
This is a collection of hydrogen bonds that hold water molecules.
What is cohesion
200
This macromolecule stores all hereditary information and carries protein-coding instructions.
What is nucleic acids
200
(True or False) - "Enzymes change shape after a reaction?"
What is false
200
This is a molecule moving from an area of high concentration to low concentration
What is diffusion
200
These are the factors needed for photosynthesis to occur (3 factors)
What is carbon dioxide, light and water
300
The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule.
What is hydrogen bonds
300
This is the semipermeable barrier that protects the cell and all that is enclosed in it.
What is plasma membrane
300
(Fill in the blank) "Raising the temperature slightly will ____________________ the rate of a reaction
A) increase
B) decrease
C) not change
What is increase
300
Why don't plant cells burst
What is plant cells have cell walls
300
This is what carbon dioxide enters the plant through
What is stomata
400
This property explains the ability of a water strider to walk on water
What is surface tension
400
This is a reaction in which two (2) molecules become covalently bonded to each other through the loss of a small molecule, usually water.
What is condensation reaction
400
This compound has carbon bonded to other atoms and determine structure/function of living things
What is organic compounds
400
These two forces drive the diffusion of ions across the membrane
What is chemical and electrical force
400
(Fill in the blank) "Chlorophyll and other pigments involved in the absorption of solar energy reside within the _________ ____________ of chloroplasts"
What is thylakoid membrane
500
This is a bacterial disease that results in vomiting and diarrhea.
What is cholera
500
The atomic ratios of this macromolecule are
C- 1, H- 12, O- 6
What is carbohydrates
500
This is the reaction when compounds are broken down by the releasing of water and then two (2) compounds come together to produce water
What is dehydration/synthesis reaction
500
The discovery of aquaporins was discovered by...
What is Peter Agre
500
Plants use this process so that they can open their stomata at night and close their stomata during the day to avoid water loss during the hot days without depleting the plant's CO2 reserves