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WorksheetsUnit 2 Review
Total questions: 163
Worksheet time: 2hrs 11mins
Which subgroup of protein contains all of the necessary amino acids our body needs for the day?
Fat soluble protein
Incomplete protein
Saturated protein
Unsaturated protein
Complete protein
How many amino acids does our body need in a day to function properly?
11
20
9
4
36
What is the role of protein in the body?
Is the main source of energy for the body
Helps to build and repair body tissue
Provide warmth and cushioning to the body's organs
Helps to transport vitamins through the body
All of the above are roles of protein in the body
If I take in a gram of protein, approximately how many calories have I consumed?
2,000 calories
9 calories
3,500 calories
4 calories
2 calories
If I am consuming animal products, such as meat, dairy products, and eggs, what type of protein am I taking in?
Fat soluble protein
Incomplete protein
Complete protein
Saturated protein
Unsaturated protein
Based on the national guidelines, approximately how much of my daily calories should be coming from protein for the average person?
25-35%
10-15%
5-10%
0-5%
45-65%
What could be an issue if I do not consume enough protein regularly?
Lead to a break down of muscle and tissue in the body
Increase the amount of energy
Dehydration of the body's cells
Weight gain which can lead to heart disease
Both A and D are correct
If I am a vegetarian, what type of protein am I consuming? What should I be aware of to ensure I am eating healthy?
Incomplete protein and I need to make sure I am not consuming too many of these proteins
Saturated proteins and I need to make sure to limit the amount I consume
Water soluble proteins and I need to make sure to consistently consume these proteins
Incomplete proteins and I need to make sure I consume a variety of the proteins in order to get what I need
I am a vegetarian therefore I am not consuming protein
How many amino acids do you need to take in from food on a daily basis?
20
9
11
4
2
If I am taking in too much protein what could happen to me? (Select all that apply)
Extra protein can be converted into stored energy
May lead to kidney problems
It can cause weight loss
It can cause weight gain
It can cause issues with the breakdown of muscle and body tissue
What kind of chemical bonds hold proteins together
Hydrogen
Peptide
Brotherly
Ionic
What are enzymes?
They are a biological catalyst (something that speeds up a chemical reaction)
They are a food category
They are hormones
They help in temperature regulation
What are the building blocks of tissues?
Amino Acids
Proteins
Catalysts
Enzymes
What are the monomers of proteins?
Amino Acids
Peptide bonds
Enzymes
Catalysts
What element(s) is/are contained in proteins?
C
H
O
N
All are found in proteins
Antibodies are made up of proteins.
True
False
dehydration synthesis
isomerization isomerization
What are processes P and Q?
P - oxidation
Q - reduction
P - reduction
Q - oxidation
P - condensation
Q - hydrolysis
P - hydrolysis
Q - condensation
Which is not one of the three classes of lipids?
Phospholipids
Sterols
Amino Acids
Triglycerides
Lipids are digested in the ____________.
stomach
small intestine
large intestine
colon
Trans Fatty Acids are formed due to the hardening of polyunsaturated oils by hydrogenation.
True
False
Supplements of omega-3 fatty acids or fish oil are a healthy addition for most people especially people lacking fresh fish.
True
False
Identify a monounsaturated fat. Check all that apply.
Canola oil
Peanut oil
Butter
Beef Tallow
Identify a saturated fat. Check all that apply.
Soybean oil
Chicken fat
Coconut oil
Fish oil
Bile acts as an ______ to help break down fat by allowing fat to mix with digestive juices.
protein
emulsifier
enzyme
antioxidant
Cholesterol is:
Perfectly fine in high amounts
A “fat-like” substance needed for essential body processes
Invisible fat that cannot be removed from foods
Visible fat that can be removed from foods
Cholesterol produces hormones.
True
False
Saturated fats are generally:
Solid at room temperature
Liquid at room temperature
“Man-Made” Fat
Cholesterol
Unsaturated fats are generally:
Solid at room temperature
Liquid at room temperature
“Man-Made” Fat
Cholesterol
Meat/animal sources, poultry skin, whole milk, butter, tropical oils, shortening and lard are examples of which kind of fat:
Saturated fats
Polyunsaturated fats
Monounsaturated fats
Plant oils like Corn oil, soybean oil and safflower oil are examples of which kind of fat:
Saturated fats
Polyunsaturated fats
Monounsaturated fats
Fats and oils: a major source of food providing long term energy and other functions.
Sugars
Carbohydrates
Lipids
Proteins
Long term energy storage,
help form cell membranes, and provide parts of other biomolecules like hormones.
Functions of Sugars
Functions of Polysaccharides
Functions of Carbohydrates
Functions of Lipids
A hydrocarbon chain that is sometimes considered to be a monomer of lipids.
Fatty Acids
Nucleic Acids
Proteins
Lipids
Single bond between Carbon and Hydrogen chains.
Tends to be solid at room temperature like butter.
Saturated Fats
Unsaturated Fats
Carbohydrates
Proteins
Double bond between Carbon and Hydrogen chains.
Tends to be liquid at room temperature like oils.
Polysaccharides
Lipids
Saturated Fats
Unsaturated Fats
Fatty Acids differ in there chain length and their
protein carriers
Side chains
energy level
degree of saturation
Which one of the following is a function of lipids?
store information
store energy
breakdown wastes
join with substrates
What are the two types of fats?
saturated and unsaturated
complete and incomplete
cholesterol and trans fat
total fat and trans fat
How many calories is in 1 gram of fat?
4
7
9
11
In the phospholipid, the polar head is considered what type of structure?
hydrophobic
hydrophillic
Which of the following molecules make up the basic structure of a cell membrane?
waxes
triglycerides
fatty acids
phospholipids
Lipids are made of...
CHO sometimes P
CHON
CHONP
CHONS
Hydrophobic means-
afraid of water
loves water
Hydrophillic means-
afraid of water
loves water
Which type of fat do olives contain?
Monounsaturated
Polyunsaturated
Saturated
Which of the following are/is an example of primary fatty acids are:
Saturated fatty acids (SFA)
Monounsaturated fatty acids (MUFA)
Polyunsaturated fatty acids (PUFA)
All are correct
What are 2 types of nucleic acids?
Fatty Acids and Glycerol
DNA and RNA
Amino Acids and Enzymes
Monosaccharides and Polysaccharides
Which of the following is NOT part of a nucleotide?
Nitrogenous Base
Phosphate Group
Pentose Sugar
Fatty Acid
What sugar is found in DNA?
Glucose
Ribose
Deoxyribose
Fructose
What is the shape of DNA?
Double Hyperbola
Paraolic
Double Helix
Linear
Where is DNA found?
In the Nucleic Acid
In the RNA
In the Nucleus
In the Cytosine
What is the function of Nucleic Acids?
Store Genetic Information
Building blocks of Proteins
Energy
Energy storage
A nucleic acid is a ________, composed of many monomers called nucleotides.
nucleus
DNA strand
RNA strand
polymer
Which base is ONLY found in DNA?
Cytosine
Guanine
Thymine
Adenine
Which base is only found in RNA?
Uracil
Thymine
Adenine
Guanine
How many phosphate groups are found in a molecule of ATP?
1
2
3
4
What is stored in the chemical bonds of ATP?
Sugar
Neutrons
Energy
Protein
What is A?
Phosphate Group
Pentose Sugar
Nitrogenous Base
Adenosine Triphosphate
What is C?
Phosphate Group
Pentose Sugar
Adenosine Triphosphate
Nitrogenous Base
In DNA, thymine always pairs with ...
any nitrogenous base
adenine
guanine
cytosine
Which nitrogenous base pairs with which in DNA?
A with T
C with G
A with C
T with G
A with G
T with C
A with A
T with T
G with G
C with C
Which nitrogenous base pairs with which in RNA?
A with T
C with G
A with U
C with G
A with G
T with C
A with A
T with T
G with G
C with C
Nucleic acids are made of
CHO
CHON
CHONP
CHONS
What is the molecular structure of water?
1 Hydrogen
2 Oxygen
1 Hydrogen
1 Oxygen
2 Hydrogen
2 Oxygen
2 Hydrogen
1 Oxygen
Which side of the water molecule has a slightly positive charge?
Oxygen
Hydrogen
It's all positive
It's all negative
Which side of the water molecule has a slightly negative charge?
It's all negative
It's all positive
Hydrogen
Oxygen
What kind of Bond does a water molecule have?
Ionic
Polar Covalent
Non Polar Covalent
Metallic
What is the boiling point of water?
0 C
100 C
200 C
50 C
What is the freezing point of water?
0 C
100 C
200 C
50 C
True or False: Ice is Less Dense than Water
True
False
What is the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules?
Cohesion
Surface Tension
Adhesion
Polarity
What is Adhesion?
Water molecules ability to stick to each other
Water molecules ability to stick to other surfaces
Water molecules ability to conduct electricity
Water molecules ability to melt
What water phenomenon can be observed in this photo?
Water dissolving
Capillary Action
Chemical Reaction
Photosynthesis
What characteristic is shown in the image?
Polarity
Hydrogen Bonds
Cohesion
Adhesion
Water has ... specific heat. Meaning, it takes ... time to warm up a large amount of water.
high/ long
high/ short
low/long
low/ short
What does pH measure?
the amount of hydrogen (H+) ions
the amount of hydroxide (OH-) ions
amount of water
all of the above
For every power of 10 in concentration of hydronium ions, the pH will change how much?
1
2
10
100
A combination of particles of one or more substance that are distributed uniformly throughout another substance is a/an
Mixture
Substance
Solution
