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Year 2: BIOL 151 Exam 1 Review Flashcards | StudBud
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Year 2: BIOL 151 Exam 1 Review
Year 2: BIOL 151 Exam 1 Review
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Answers
1
What do you all an atom that GAINS an electron
Cation
Anion
2
What is the monomer and polymer of proteins?
Monomer: Monosaccharide and Polymer: Polysaccaride
Monomer: Glycerol and Polymer: Fatty Acid Tail
Monomer: Amino Acid and Polymer: Polypeptide Chain
None of these are correct
3
I find that there is a similar number of people with the name Ariel as there are people who are fashion designers
Causation
Correlation
4
What is the atomic mass of Sodium?
10
11
12
22.98
5
In which type of bond are electrons shared equally?
Polar Covalent
Nonpolar Covalent
Ionic
Hydrogen
6
What makes up the nucleus of the atom?
Protons and Neutrons
Neutrons and Electrons
All three (protons, neutrons, and electrons)
Protons and Electrons
7
True or False: Lipids are Hydrophilic molecules
False
True
8
What is the pH of a base?
Above 7
Below 7
7
9
What is the bond that joins protiens together?
Ionic Bond
Glycosidic Bond
Hydrogen Bond
Peptide Bond
10
What are the components of a phospholipid?
Fatty Acid Tail and Glycerol
Hyrophobic Head, Hydrophilic Tail
Hydrophilic Head, Hydrophobic Tail
Carbon Rings
11
How many protons are in Sodium?
11
12
10
22.98
12
What is a substance that raises the H+ concentration?
Solvent
Base
Acid
Solution
13
If a fat has hydrogens on the OPPOSITE side of the double bond carbon, it is a:
Saturated Fat
Cis Unsaturated Fat
Sterol
Trans Unsaturated Fat
14
What bond is between two monosaccahrides
Ester Linkage
Hydrogen Bond
Glycosidic Linkage
Peptide Bond
15
What is the monomer and polymer of carbohydrates?
None of these are correct
Monomer: Amino Acid and Polymer: Polypeptide Chain
Monomer: Glycerol and Polymer: Fatty Acid Tail
Monomer: Monosaccharide and Polymer: Polysaccaride
16
Which of the following is NOT a function of lipids?
Transport
Make up a part of cell membrane
Insulation
Hormones and Cell Signaling
17
A relationship or connetion between two variables is known as
Causation
Correlation
18
What is a substance that has a lowers the H+ concentration?
Acid
Solution
Base
Solvent
19
Which of these are NOT a function of proteins?
Defense
Catalysis
Transport
Energy Storage
20
How many electrons would be in a neutral Sodium atom?
12
11
22.98
10
21
If a fat has hydrogens on the SAME side of the double-bonded carbon, it is a:
Steroid
Saturated Fat
Cis Unsaturated Fat
Trans Unsaturated Fat
22
This type of protein folding starts to make 3-D shapes in the poly peptide
Quaternary Structure
Primary Structure
Tertiary Structure
Secondary Structure
23
Lipids that have a glycerol backbone and three fatty acid tails are known as
Fats/Oils
Steroids
Glycogen
Phospholipids
24
Which protein folding is a chain of amino acids?
Tertiary Structure
Primary Structure
Secondary Structure
Quaternary Structure
25
If a fat has no double bonds and is instead filled with the maximum amount of hydrogens, it is a:
Saturated Fat
Sterol
Trans Unsaturated Fat
Cis Unsaturated Fat
26
When two unlike molecules stick together (ex: water molecules stick to other surfaces) this is called:
Surface Tension
Adhesion
Nonpolar
Cohesion
27
The reason for all of the cool properties of water is the fact that it can form hydrogen bonds
False
True
28
What is a hydrophilic molecule (water loving)?
Nonpolar
Polar
Both of these are correct
29
Which of these statements are true about hydrogen bonds?
All of these are true
They are weaker than covalent bonds
They occur between two molecules
They are the result of the attraction between two opposite charges
30
What is a control group in a study?
The group that you manipulate/change in an experiment
Your hypothesis to a proposed question
The group that you keep the same (use as a baseline)
The dependent variable
31
Which of these is NOT a function of Carbohydrates
Structural Support
Cell Recognition
Catalysis
Energy Storage
32
What type of bond is between Oxygen (electronegativity of 3.5) and Hydrogen (electronegativity of 2.2)
Polar Covalent
Nonpolar Covalent
Ionic
Hydrogen
33
True or False: The higher the number an atom has on the Electronegativity Chart, the LESS it pulls on the electron
False
True
34
Since water has polar bonds, what charges should we give to the oxygen and to the hydrogen?
Oxygen: Partial Positive and Hydrogen: Partial Negative
Oxygen: Negative and Hydrogen: Positive
Oxygen: Partial Negative and Hydrogen: Partial Positive
Oxygen: Positive and Hydrogen: Negative
35
What is represented by each of the points in this skeletal structure?
Hydrogen
Can't tell
Oxygen
Carbon
36
What is it called when a molecule is polar and nopolar
Hydrogen Bond
Adhesion
Amphipathic
Ion
37
Which type of protein structure includes the local folding of amino acids into alpha-helixes and beta-pleated sheets?
Primary Structure
Quaternary Structure
Tertiary Structure
Secondary Structure
38
Which of the following is NOT true regarding glycogen
Its main function is structure and support
It is stored in liver
It has a helical structure
It is found in animals
39
What is an ion?
An atom with no neutrons
An atom that has either gained or lost an electron
An atom with an equal amount of electrons an protons
None of these are correct
40
If the difference in electronegativity between two atoms is LESS than 0.4 , what type of bond is it?
Nonpolar Covalent
Polar Covalent
Ionic
Hydrogen
41
Which of the following is NOT true regarding starch
It is found in plants
Humans can digest starch
The structure of starch are tightly packed rows of carbs
It serves as energy storage in plants
42
What is an experimental group in a study?
The group that you manipulate/change in an experiment
Your hypothesis to a proposed question
The group that you keep the same (use as a baseline)
The dependent variable
43
How many bonds can Carbon form?
1
2
4
3
44
What is assumed to be on the end of each carbon?
Carbon
Hydrogen
Can't tell
Oxygen
45
True or False: Cis Unsaturated Fats tend to be solid at room temp
False
True
46
If an ion has a -2 charge, what is true?
The atom gained 2 electrons
The atom lost 2 electrons
The atom gained 2 protons
The atom lost 2 protons
47
In this reaction, water is taken away to FORM bonds between two carbs
Hydrogen Bonding
Cohesion
Hydrolysis
Dehydration Synthesis
48
What do you all an atom that LOSES an electron
Anion
Cation
49
In what type of bond are electrons are transferred from one atom to another?
Ionic
Nonpolar Covalent
Polar Covalent
Hydrogen
50
What is a hydrophobic molecule (water fearing)?
Nonpolar
Both of these are correct
Polar
51
What bond is indicated by the dashed line?
Hydrogen Bond
Nonpolar Covalent Bond
Polar Covalent Bond
Ionic Bond
52
What process is shown by the diagram?
Hyrolysis
Dehydration Synthesis
53
In which type of bond are electrons shared unequally?
Polar Covalent
Nonpolar Covalent
Hydrogen
Ionic
54
A procedure that is used to systematically answer a question
Variables
None of these
Biology
Scientific Method
55
What structure has four carbon rings?
Glycerol
Steroids
Fats/Oils
Phospholipids
56
What is a confounding variable?
Variable that changes throughout the experiment
Relationship between two variables
Alternative explanations of results
Items you keep the same throughout the experiment
57
Which of the following is NOT true regarding cellulose?
Animals can digest cellulose
Found in plants
Its structure includes tightly packed rows or monosaccharides
The rigid structure of cellulose makes it good for plant structure
58
What is the pH of an acid?
7
Below 7
Above 7
59
When two like molecules stick together this is called (ex: two water molecules sticking together):
Covalent Bonds
Cohesion
Polar
Adhesion
60
What has a pH of 7?
Solvent
Acid
Neutral Solution
Base
61
Which of these is NOT a polysaccharide
Cellulose
Starch
Polypeptides
Glycogen
62
There are 20 different amino acids. Which group changes in each amino acid, giving it a unique structure and properties?
Carboxyl Group
Lone Hydrogen
Amino Group
R Group
63
In this reaction, water is added to BREAK the bond between two carbs
Dehydration Synthesis
Hydrogen Bonding
Cohesion
Hydrolysis
64
If I give one group a placebo pill and one group a new medicine, what are the experimental and control groups?
There are no control groups
They are both control groups
Experimental: Placebo; Control: New Medicine
Experimental: New Medicine; Control: Placebo
65
Which of these are NOT lipids?
Fats/Oils
Amino Acids
Steroids
Phospholipids
66
This type of protein folding involves multiple polypeptide chains interacting with one another.
Tertiary Structure
Primary Structure
Secondary Structure
Quaternary Structure
67
What is true about atoms?
All Answers are correct
They are the smallest part of an element that retains all of its properties
They have an equal amount of protons and electrons
They have protons, nuetrons, and electorns
68
What is a placebo?
A fake item that makes you believe that you are taking something
A random commerical
Medicine for an experiment
Items that you keep the same in an experiment
69
How many neutrons does Sodium have?
10
12
11
22.98
70
How many valence electrons make an atom stable?
8
6
4
3
71
A direct cause and effect relationship between two variables is known as
Correlation
Causation
