BSC 2023 MIDTERM EXAM WITH COMPLETE
SOLUTIONS
The chemical behavior (ability to bond) of an atom is determined by the - ANSWER number
and arrangement of electrons.
A covalent bond is - ANSWER sharing of electrons between two atoms
The smallest functional units of elements are - ANSWER atoms
All matter is composed of what? - ANSWER
Lipids - ANSWER ALL OF THE ABOVE
provide roughly twice the energy as carbohydrates.
help to maintain body temperature.
form essential structural components of cells.
help to cushion delicate organs from damage.
Water's polar covalent bonds cause the molecule to have what? - ANSWER a slightly positive
and a slightly negative side of the molecule
, The sequence of amino acids linked together to form a polypeptide is the - ANSWER primary
structure
What is the role of the polar covalent bond in water? - ANSWER it binds the hydrogen and
oxygen together in a single molecule
1. golgi complex
2. rough ER
3. smooth ER
4. mitochondria
5. lysosome
6. cytoskeleton
7. glycolipid - ANSWER 1. modify proteins
2. ribosomes
3. lipid synthesis
4. ATP formation
5. hydrolytic enzymes
6. anchors organelles
7. function in recognition of self
Water molecules move according to differences in what type of energy? - ANSWER potential
SOLUTIONS
The chemical behavior (ability to bond) of an atom is determined by the - ANSWER number
and arrangement of electrons.
A covalent bond is - ANSWER sharing of electrons between two atoms
The smallest functional units of elements are - ANSWER atoms
All matter is composed of what? - ANSWER
Lipids - ANSWER ALL OF THE ABOVE
provide roughly twice the energy as carbohydrates.
help to maintain body temperature.
form essential structural components of cells.
help to cushion delicate organs from damage.
Water's polar covalent bonds cause the molecule to have what? - ANSWER a slightly positive
and a slightly negative side of the molecule
, The sequence of amino acids linked together to form a polypeptide is the - ANSWER primary
structure
What is the role of the polar covalent bond in water? - ANSWER it binds the hydrogen and
oxygen together in a single molecule
1. golgi complex
2. rough ER
3. smooth ER
4. mitochondria
5. lysosome
6. cytoskeleton
7. glycolipid - ANSWER 1. modify proteins
2. ribosomes
3. lipid synthesis
4. ATP formation
5. hydrolytic enzymes
6. anchors organelles
7. function in recognition of self
Water molecules move according to differences in what type of energy? - ANSWER potential
