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2.3 -2.5 Macromolecules, Chemical Reactions and Enzymes Flashcards | StudBud
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2.3 -2.5 Macromolecules, Chemical Reactions and Enzymes
2.3 -2.5 Macromolecules, Chemical Reactions and Enzymes
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9th Grade Biology course for college prep students
Flashcards
28 cards
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Questions
28
Answers
1
What is this?
Lipid
Protein
Amino Acid
Carbohydrate
2
What are the monomers of nucleic acids?
nucleotide
nucleosome
carbohydrate
amino acid
3
What does a catalyst change?
Amount of energy to make the activated complex
Overall potential energy
The difference in energy between the reactants & products
Amount of energy in the products
4
Endothermic, Exothermic or neither?
Endothermic
Neither
Exothermic
5
The differences between amino acids are found in the different
Amino Groups
H - Groups
Carboxyl Groups
R - Groups
6
A fat which contains all
single
carbon hydrogen bonds.
Saturated
A steroid
Cholesterol
Unsaturated
7
What is going on in the diagram below?
Hydrolysis
Steroid Fusion
Dehydration Synthesis
Polymerization
8
Identify the reactants in the this chemical reaction: CO
2
+ H
2
O →H
2
CO
3
CO2
CO2, H2O
CO2, H2O and H2CO3
H2CO3
9
What is this?
Monosaccharide
Monohybrid
Polysaccharide
Amino Acid
10
Amino Acids are the monomers of...
Carbohydrates
Lipids
Nucleic Acids
Proteins
11
What is the most common substance in the body?
Glucose
H2O
Lipids
Carbon dioxide
12
What does a Lock and Key Model represent?
osmosis
passive transport
photosynthesis
Enzyme reactions
13
What is the lock and key model?
product of chemical reactions
substrate joins with biochemical reactions like key and lock
substrate joins with an enzyme like a key joins with a lock
models of your lock and keys at home
14
What is the function of a carbohydrate in the body?
hydrate
provide energy
insulate
help you grow
15
Glucose and fructose make up a
polysaccharide
glucose
disaccharide
cellulose
16
Anything that has mass and takes up space.
matter
theory
quantitative data
qualitative data
17
What is happening in the diagram below?
1 + 1 = 2
Dehydration Synthesis
Disaccharide Polymerization
Hydrolysis
18
An ____ is a protein catalyst which lowers activation energy
Enzyme
Homeostasis
Carbon
blood
19
Which of the following is an example of a chemical change?
burning wood
dissolving salt
chopping wood
boiling water
20
The lock and key model means enzymes
can only join to a specific substrate
join to substrates
produce products
break substrates down to produce products
21
Exothermic reactions...
Makes sounds
Absorb heat
Release heat
Is a mixture of acid and bases
22
What element is most abundant in the body?
calcium
oxygen
Hydrogen
carbon
23
Is this saturated or unsaturated?
Unsaturated
Saturated
I need more information
24
Endothermic, Exothermic or neither?
Neither
Exothermic
Endothermic
25
The structural subunits that make up lipids are
glucose and amino acids
carbohyrates and fructose
nucleotides
glycerol and fatty acids
26
What is the function of a carbohydrate?
Making enzymes
Padding organs
Structural fibers
Giving cells immediate energy
27
Types of proteins are shown. What type of protein is located in the cell membrane to transport substances?
muscle fibers
fibrous protein
globular protein
membrane protein
28
A catalyst is a substance that ____ the rate of a chemical reaction
Speeds up
Does not affect
Maintains
Slows down
