BIOCHEMISTRY SET REVISION
QUESTIONS AND CORRECT
ANSWERS
How are biochemicals and organic compounds related?
All biochemicals are organic compounds, but not all organic
compounds are biochemicals
What elements do biochemicals contain?
C, H, O, N, P, S
What is the broad role of biochemicals in the human body?
Regulating our bodies to maintain homeostasis
What is homeostasis?
A biochemical process by which the internal steady state
between the different chemical and physical processes
When the body is maintaining homeostasis, what is normal....
1. Internal temperature
2. Blood pressure
1. 98 degrees F
2. 120/80
What are the types of biochemicals?
1. Proteins
2. Carbohydrates
,3. Fats / Lipids
4. Nucleic Acids
5. Vitamins
6. Water
How do proteins function in the body?
-Provide structure
-Act functionally as enzymes
Proteins contribute to more than _____% of our body weight
30
Is a ribozyme a protein?
No it is an RNA lipid
How do carbohydrates function in the body?
-Serve as the primary fuel for the body
-Act as secondary messengers
How do fats/lipids function in the body?
-Provide insulation
-Serve as secondary sources of energy
How do Nucleic Acids function in the body?
-Genetic material
How do Vitamins function in the body?
-Serve as catalysts/promoters for enzymes by being precursors
for coenzymes
, How does water function in the body?
It serves as the solvent
What are the 4 main reasons why water is the body's solvent
of choice?
1. Hydrogen bonds help the water stay in a liquid form and flow
from one place to another
2. It is polar so many biomolecules are soluble in it
3. It has a high dielectric constant which aids in the reversibility
of reactions by "screening" charged groups
4. Works as a buffer to maintain pH
What is the structure and bond angle of water?
bent, 104.5 degrees
Since oxygen is so electronegative, the covalent bonds
between oxygen and hydrogens are __________, making the
molecule _________________.
polar, dipolar
What is the electronegativity of Oxygen?
3.5 esu
What is a hydrogen bond?
A type of non-covalent electrostatic interaction in which an H
atom is shared between two electronegative atoms
QUESTIONS AND CORRECT
ANSWERS
How are biochemicals and organic compounds related?
All biochemicals are organic compounds, but not all organic
compounds are biochemicals
What elements do biochemicals contain?
C, H, O, N, P, S
What is the broad role of biochemicals in the human body?
Regulating our bodies to maintain homeostasis
What is homeostasis?
A biochemical process by which the internal steady state
between the different chemical and physical processes
When the body is maintaining homeostasis, what is normal....
1. Internal temperature
2. Blood pressure
1. 98 degrees F
2. 120/80
What are the types of biochemicals?
1. Proteins
2. Carbohydrates
,3. Fats / Lipids
4. Nucleic Acids
5. Vitamins
6. Water
How do proteins function in the body?
-Provide structure
-Act functionally as enzymes
Proteins contribute to more than _____% of our body weight
30
Is a ribozyme a protein?
No it is an RNA lipid
How do carbohydrates function in the body?
-Serve as the primary fuel for the body
-Act as secondary messengers
How do fats/lipids function in the body?
-Provide insulation
-Serve as secondary sources of energy
How do Nucleic Acids function in the body?
-Genetic material
How do Vitamins function in the body?
-Serve as catalysts/promoters for enzymes by being precursors
for coenzymes
, How does water function in the body?
It serves as the solvent
What are the 4 main reasons why water is the body's solvent
of choice?
1. Hydrogen bonds help the water stay in a liquid form and flow
from one place to another
2. It is polar so many biomolecules are soluble in it
3. It has a high dielectric constant which aids in the reversibility
of reactions by "screening" charged groups
4. Works as a buffer to maintain pH
What is the structure and bond angle of water?
bent, 104.5 degrees
Since oxygen is so electronegative, the covalent bonds
between oxygen and hydrogens are __________, making the
molecule _________________.
polar, dipolar
What is the electronegativity of Oxygen?
3.5 esu
What is a hydrogen bond?
A type of non-covalent electrostatic interaction in which an H
atom is shared between two electronegative atoms
