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AP Bio Unit 1
AP Bio Unit 1
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Review for Unit 1
Flashcards
42 cards
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Questions
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Answers
1
Which functional group is shown by the formula: -COOH?
Carboxyl Group
Hydroxyl Group
R - Group
Carbonyl Group
2
How do noncompetitive inhibitors work to decrease the rate of a chemical reaction?
Changes the substrate
Blocks the active site
Bonds to Substrate
Changes the active site
3
How do buffers work?
releases and takes carbons (C) to maintain the pH
changes other elements to hydroxides (OH-)
changes hydroxides (OH-) to maintain the pH
releases and takes hydrogens (H) to maintain the pH
4
Which property of water allows it to rise higher than the cup?
High Surface Tension
High Capacity Action
Amphoteric Properties
Universal Solvent Properties
5
What happens when an electron absorbs energy?
move to a lower energy state
remove completely from the element
move to a higher energy state
moved to the nucleus
6
How does the process of evolution meet the requirements for the 1st/2nd law of thermodynamics?
The loss of order from the universe is given to us
Our ordered self changes the universe to be disordered
There can be "open" system in a "closed" system
It doesn't meet it
7
How do competitive inhibitors work?
block active site
does the function of a substrate
change substrate
change active site
8
When two amino acids bond to form a larger molecule, what is released?
Hydrogen
Water
Carbon
Oxygen
9
Which pair of monomers/polymers is
incorrect
?
monosaccharide/polysaccharide
ribonucleotide/RNA
triglyceride/phospholipid bilayer
deoxyribonucleotide/DNA
10
What is organic chemistry?
deals with hydrocarbon/formation/dispersion/ions
deals with hydrocarbon/dispersion/ions/exchange/
deals with hydrocarbon/interaction/formation/exchange
deals with hydrolysis
11
What type of bond stabilizes the alpha helices and beta pleated sheets of proteins?
carbon bonds
hydrogen bonds
nucleic bonds
peptide bonds
12
A molecule with the chemical formula C
6
H
12
O
6
is probably what?
Nucleic Acid
Lipids
Protein
Carbohydrates
13
Which is an example of the effect of high surface tension?
Walking on water
Dissolving properties
Swimming
Low Density in Ice
14
What is the importance of a control group?
Make sure the answers are obvious
Make sure the answers are created with more possible answers
Make sure the answers are skewed
Make sure other factors are not skewing the answer
15
What functional group is found in alcohols?
Hydroxyl
Carboxyl
Ketone
Amine
16
What is activation energy?
Energy required to cool down a reaction
Amount of energy required to stop a reaction
Amount of energy require to make a bond
Amount of energy required for a reaction to occur
17
How would you describe a substance with a pH of 2?
A Buffer Solution
Acidic, [H+], donating a proton
Neutral, [H2O = H+ + OH-]
Basic, [OH-], accepting a proton
18
Give an example of positive feedback.
Women giving birth
Body Temperature
Homeostasis
Blood Sugar
19
What is lock and key fit?
All uncompetitive inhibition perfectly fits inside an enzyme
All enzyme perfectly fits inside a substrate
All competitive inhibition perfectly fits inside an enzyme
All substrate perfectly fits inside an enzyme
20
What bonds are responsible for primary structure of a protein?
Peptide Bond
Hydrogen Bond
Carbon Bond
Hydroxyl Bond
21
What is negative feedback?
none of the above
tells the body to begin a process
tells the body to stop doing what it is doing
tells the body to continue doing what it is doing
22
Why is evolution considered to be the core theme of biology?
Since it's one of the first theories
Since it's not proven
Since it's recognized by National Science Foundation
it provides framework that makes sense to scientist
23
What do we test during the scientific method?
Hypothesis
Theory
Dependent Variable
Control Variable
24
Differentiate between kinetic and potential energy.
Potential=Kept Kinetics= Thrown Away
Potential=Thrown Away Kinetics=Kept
Potential=In Motion Kinetics=Stored
Potential=Stored Kinetics=In Motion
25
Why are buffers important?
Helps our bodies function
Helps out body stay at a pH of 7
Helps our bodies to process brain signals
Helps our bodies to understand pain
26
Which biological molecules consist of small molecules
AND
macromolecular structure polymers?
Lipids
Protein
Carbohydrates
Nucleic Acids
27
What kind of macromolecule would have the chemical formula C
18
H
36
O
2
?
Carbohydrates
Protein
Fatty Acid
Lipids
28
Which molecule has the strongest polar covalent bond.
CO2
O2
H2O
H2
29
What factors
DOES NOT
affect enzyme function?
Energy Levels
pH
Bond Type
Temperature
30
Name the thermodynamic barrier for all reactions.
Kinetic Property
Entropy
Free Energy
Activation Energy
31
What type of bond must be broken in order for water to evaporate?
ionic
hydrogen
ionic and hydrogen
covalent
32
What are the levels of protein structure?
Top, Middle, Bottom
Primary, Secondary, Tertiary, Quaternary
Single, Double, Triple
First, Second, Third, Fourth
33
What is meant by “induced fit”?
bonding to an enzyme causes no change
bonding to enzyme causes change
bonding to enzyme causes job change
bonding to enzyme causes malfunction
34
How would you describe cis-trans isomers?
Same formula but different chains
Same structure but different formula
Same formula but different structure
Same structure but different ions
35
What type of bond holds the oxygen and hydrogen of a water molecule together?
ionic
oxygen
metallic
covalent
36
Which functional groups are found in amino acids?
Carboxylic
Carbonyl
Amine
Thiols
37
What is a hydrogen bond?
attraction of hydrogen between N,S,F
attraction of hydrogen between O,N,S
attraction of hydrogen between N,O,F
attraction of hydrogen between O,F,S
38
How are experimental ways of gathering information different from any other way?
Requires more work rather than other methods
It gives you different results compared to other ways
Experimental ways have independent variables but not control
Has independent & control variables;is a cause/effect method
39
What elements are found in all living things?
O,C,H,P,S,Si
Si,P,O,H,N,C
O,C,H,N,P,R
O,C,H,N,P,S
40
Describe the amine functional group.
organic compound/ has a basic nitrogen atom and lone pair
inorganic compound/has a basic nitrogen atom and lone pair
inorganic compound/has a carbon triple bond
organic compound/has a carbon triple bond
41
What type of reaction is involved in the production of polymers from monomers?
Bonding
Hydrolysis
Dehydration Synthesis
Breaking Bonds
42
Describe the action of enzyme.
raises activation energy outside our bodies
lower activation energy of cells in our bodies
keeps activation energy of cells in our bodies the same
raise activation energy of cells in our bodies
