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BSCI 201 Exam 1 (Opoku) Questions and
Answers 100% Solved
Organs in the ventral cavity are each surrounded by______________ -
✔✔serous membrane
Structures in the dorsal body cavity are each surrounded by
______________ - ✔✔meninges (a type of membrane)
How many organ systems are required for homeostasis? - ✔✔Only 10
out of the 11 organ systems; the reproductive system isn't required for
homeostasis
Why is water called "the universal solvent"? - ✔✔Because it's involved in
all biochemical reactions in the body. It can also dissolve many substances.
What's wrong with lactose-intolerant people? - ✔✔Lactose is a
disaccharide sugar that most be digested by the enzyme lactase in the
body. Lactose-intolerant people lack the enzyme lactase so ingested
lactose isn't broken down and causes stomach pain, etc.
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
In the ventral body cavity, the thoracic cavity and abdominopelvic body
cavity are divided by the ________________ - ✔✔diaphragm
The dorsal body cavity contains _____________ - ✔✔cranial cavity and
vertebral cavity
What's one FUNCTIONAL difference between cilia and flagellum? -
✔✔Cilia: beats to create a unidirectional current that moves substances
across the surface of the cell (cilia moving mucus in nose)
Flagellum: Beats to move the cell itself (sperm)
What's one STRUCTURAL difference between cilia and flagellum? -
✔✔Cilia: There are multiple cilia on the surface of a cell (multiple in the
nose and lungs)
Flagellum: Not as many flagella on the cell (only one on sperm)
What is the overall charge of the atomic nucleus? - ✔✔positive (because
nucleus contains only protons and neutrons)
What is the net charge of an atom? - ✔✔zero
What's the order of increasing bond strength between the 3 chemical
bonds? - ✔✔Hydrogen bond, ionic bond, covalent bond
BSCI 201 Exam 1 (Opoku) Questions and
Answers 100% Solved
Organs in the ventral cavity are each surrounded by______________ -
✔✔serous membrane
Structures in the dorsal body cavity are each surrounded by
______________ - ✔✔meninges (a type of membrane)
How many organ systems are required for homeostasis? - ✔✔Only 10
out of the 11 organ systems; the reproductive system isn't required for
homeostasis
Why is water called "the universal solvent"? - ✔✔Because it's involved in
all biochemical reactions in the body. It can also dissolve many substances.
What's wrong with lactose-intolerant people? - ✔✔Lactose is a
disaccharide sugar that most be digested by the enzyme lactase in the
body. Lactose-intolerant people lack the enzyme lactase so ingested
lactose isn't broken down and causes stomach pain, etc.
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
In the ventral body cavity, the thoracic cavity and abdominopelvic body
cavity are divided by the ________________ - ✔✔diaphragm
The dorsal body cavity contains _____________ - ✔✔cranial cavity and
vertebral cavity
What's one FUNCTIONAL difference between cilia and flagellum? -
✔✔Cilia: beats to create a unidirectional current that moves substances
across the surface of the cell (cilia moving mucus in nose)
Flagellum: Beats to move the cell itself (sperm)
What's one STRUCTURAL difference between cilia and flagellum? -
✔✔Cilia: There are multiple cilia on the surface of a cell (multiple in the
nose and lungs)
Flagellum: Not as many flagella on the cell (only one on sperm)
What is the overall charge of the atomic nucleus? - ✔✔positive (because
nucleus contains only protons and neutrons)
What is the net charge of an atom? - ✔✔zero
What's the order of increasing bond strength between the 3 chemical
bonds? - ✔✔Hydrogen bond, ionic bond, covalent bond
