Macromolecules
What are four macromolecules? List one word to describe them.
Lipids - fats
Proteins - amino acids
Carbs - energy, sugar
Nucleic acid - dna, rna
What are the variables in the scientific method?(?)_____ depends on ______ (?).
independent and dependent
What is the formula for polymers?
(?)+(?)+(?)+(?)=polymer
monomer + monomer + monomer = polymer
What binds at the active site of an enzyme?
a substrate and an enzyme bind at the active site
List 3 lab safety rules.
Teacher's discretion
What are the monomer names for Lipids?
Glycerol and fatty acids
What is the control group?
What is the constant?
"without"
"same"
Define catalyst.
To speed up
pH level and temperature
Differentiate between abiotic and biotic factors. Give one example.
abiotic nonliving window
biotic living lion
What are the functions of proteins?
Cell structure, send signals, build muscle, etc.
An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.
I: coffee grounds
D: taste of coffee
C: coffee, percolator, water, perking time, source
What is activation energy?
What happens when an enzyme is denatured?
No longer works, discontinued, or finished.
Organic compounds are composed of what element?
Carbon
What are some examples of carbohydrates?
sugars, starch, sucrose, cellulose, and glucose.
Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured.
I: age
D: completion of the puzzle
C: puzzle
Define homeostasis.
any self-regulating process by which an organism tends to maintain stability
Compare and contrast exothermic and endothermic reactions.
Exothermic release heat
Endothermic absorbs heat
What ions are represented in acids and what ions are represented in bases?
Acid (H+)
Bases (OH-)
What does DNA and RNA stand for?
Deoxyribose Nucleic Acid
Ribonucleic Acid
Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats’ masses are measured again to see if there has been a decrease.
I: diet eaten
D: mass of rats
C: diets
What is the lock and key analogy used for?
Describes the process of connecting enzymes and substrates as "induced fits".
What are the two different inhibitors?
Non-competitive
Draw the pH scale describe the numbers for acid, bases, and neutral spot.
Acid 0-7
Neutral 7
Bases (7-14)