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Biology I Test 1 Review (Kaplan)
Biology I Test 1 Review (Kaplan)
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Biology I Test 1 Review (Kaplan): Review concepts for the first bio test
Flashcards
39 cards
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Practice quiz
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Questions
39
Answers
1
Folding of local segments of proteins is what level of protein structure?
Quaternary
Secondary
Tertiary
Primary
2
Phospholipids are amphipathic. Which part is hydrophobic?
fatty acid chain
phosphate group
3
All macromolecules contain which element?
hydrogen
nitrogen
carbon
oxygen
4
Which macromolecule is the primary energy source for most living things?
carbohydrates
lipids
nucleic acids
proteins
5
What makes each of the 20 amino acids unique?
the amino group
the hydrogen atom
The R group
the carboxyl group
6
An enzyme is an example of a
lipid
carbohydrate
protein
nucleic acid
7
Polymers are synthesized through dehydration reactions
False
True
8
Plant cells store glucose as glycogen.
False
True
9
Nucleotides contain all of the following except?
R Group
Phosphate group
Sugar
Base
10
Which of the following is not a type of lipid?
Phospholipid
Cholesterol
Glycerol
Waxes
11
What rule do electrons tend to follow?
Golden Rule
Quartet Rule
Covalent Rule
Octet Rule
12
Water will freeze when there is high energy
True
False
13
How many electrons does the first electron shell hold?
6
8
1
2
14
In a nonpolar covalent bond, electrons are shared...
Equally
Non equally
15
Oxygen has the atomic number 8. How many valence electrons does it have?
8
6
4
2
16
Covalent bonds
Steal electrons
Share protons
Share electrons
Share neutrons
17
How many electrons can the second electron shell hold?
4
8
2
1
18
What is the smallest functional unit of matter?
Organism
Atom
Cell
Molecule
19
Which macromolecule is hydrophobic?
lipid
nucleic acids
carbohydrates
proteins
20
Isotopes vary in the number of?
Electrons
Atoms
Protons
Neutrons
21
What is the difference between RNA and DNA?
Different bond formation
Different sugars
Different monomers
Different macromolecules
22
What type of reaction is used to build monomers into polymers?
Hydrophobic
Hydrolysis
Hydrophilic
Dehydration Reaction
23
Amino Acids are the monomers for which macromolecule?
carbohydrates
proteins
lipids
nucleic acids
24
Fat is an example of a
nucleic acid
protein
carbohydrate
lipid
25
Where are the protons located?
Orbital
Nucleus
26
An atom includes all of the following except?
Ion
Protons
Neutrons
Electrons
27
Which elements are found most often in living organisms?
Carbon, Calcium, Oxygen, Hydrogen
Carbon, Boron, Helium, Hydrogen
Carbon, Oxygen, Sulfur, Nitrogen
Carbon, Hydrogen, Nitrogen, Oxygen
28
Cations have a positive charge, meaning...
They lost an electron to another atom
They have more protons than normal
They have more electrons than protons
They stole an electron from another atom
29
Which of the following is found in RNA but not DNA?
Thymine
Guanine
Adenine
Uracil
30
What makes a solution?
Solvent dissolved in water
Solute dissolved in water
Solute dissolved in a solvent
Solvent dissolved in a solute
31
What is composed of a phosphate group, a pentose sugar, and a nitrogen-containing base?
nucleotides
amino acids
triglycerides
32
Any substance that has an affinity for water
Hydrophilic
Hydrophobic
Amphipathic
33
What makes a bond polar?
Differences in size
Differences in electronegativity
Van der Waal forces
Cations and anions
34
Amino acids have a unique component called?
Hydrogen Group
Carboxyl Group
R Group
Amino Group
35
A reaction where water is used to break apart many large molecules into smaller molecules
Dehydration
Hydrolysis
36
Which polymer is made up of amino acids?
Proteins
Nucleic acids
Carbohydrates
Lipids
37
Biology is the study of?
Life
Animals
Dead things
Science
38
Which structure of a protein is the three dimensional structure formed by the folding and bending?
quaternary
secondary
tertiary
primary
39
Which of the following is same in every cell of an organism?
Cell Function
Proteome
Genome
Cell Structure
