What is Matter?
Chemical Reactions
Properties of Water
How Does ATP Work?
Cellular Respiration
Photosynthesis
100
What is the negative subatomic particle in an atom?
Electron
100
A biological catalyst that speeds up a reaction is called a(n)... ?
enzyme
100
What is the term for when there is attraction between molecules of the same substance (such as water molecules hydrogen bonding to other water molecules)?
Cohesion
100
What molecule is pictured below?
ATP!
100
What are the two reactants (inputs) of cellular respiration?
Glucose (C6H12O6) and Oxygen (O2)
100
What are the TWO chemical inputs (reactants) of photosynthesis?
Carbon Dioxide (CO2) and Water (H2O)
200
What is the smallest unit of matter?
ATOM!
200
What is it called when a protein, such as an enzyme, changes structure due to temperature or pH?
Denatured
200
Water molecules sticking to another substance, such as glass, is an example of which property of water?
Adhesion
200
Energy is released and can be used for cellular work when ATP becomes _____.
ADP
200
The arrow is pointing to the internal fluid that fills the mitochondria and it is called _____ ?
The Matrix
200
The fluid that fills the inside of the chloroplast (pointed to in the image below) is called what?
Stroma
300
How many protons, electrons, AND neutrons, does Sodium-23 have?
(Sodium is Na on the periodic table)
11 protons, 11 electrons, and 12 neutrons
300
What is the term for the reactant used in an enzyme reaction?
Substrate
300
Select the correct bolded terms: Acids are substances that release [ H+ / OH- ] ions and have a pH that is [ greater / less ] than 7
H+ ; less
300
Which arrow is pointing to the high energy bond in ATP?
Arrow D
300
What is the first step in cellular respiration called AND where in the cell does it occur?
Glycolysis; Cytoplasm
300
Chlorophyll pigments absorb energy from most colors of light, except which TWO colors?
Green and Yellow
400
Write the element name AND mass number of an atom that has 15 protons, 15 electrons, and 17 neutrons.
Phosphorus-32
400
What location on an enzyme does the substrate attach to?
Active Site
400
What is the property of water that describes its ability to absorb a lot of energy without changing that much in temperature?
High Heat Capacity
400
Which letter (A, B, C or D) represent energy from food?
A
400
Which step of cell respiration produces the MOST ATP (32 ATP)?
Electron Transport Chain (ETC)
400
In the light-dependent reactions, molecules of _____ are turned into molecules of _____.
Water; Oxygen
500
What are TWO SIMILARITIES and TWO DIFFERENCES between two atoms that are isotopes
Similarities: same element, atomic number, # protons, # electrons
Differences: mass number, # neutrons
500
What does the yellow arrow represent? AND is this reaction endothermic or exothermic?
Activation Energy; Endothermic
500
Select the correct bolded terms:
Water is a [ polar / nonpolar ] molecule. The oxygen atom in a water molecule has a partial [ negative / positive ] charge, while the hydrogen atoms have a partial [ negative / positive ] charge.
polar; negative; positive
500
How much ATP can be made from breaking down a single lipid (triglyceride)?
A. 2 B. 32 C. 36 D.136 E. 146
E. 146
500
There are TWO steps in Cellular Respiration that BOTH produce 2 ATP. What are the name of these two steps?
Glycolysis and Krebs Cycle (or Citric Acid Cycle)
500
In the light-independent reactions, molecules of _____ are turned into molecules of _____.
Carbon Dioxide; Glucose