A&P Flashcards
What is the function of the nucleus in a cell?
a) Producing ATP
b) Breaking down toxins
c) Control centre of the cell
d) Synthesizing lipids
Control centre
Which organelle is the site of aerobic respiration?
and produces ATP?
a) Golgi body
b) Ribosomes
c) Mitochondria
d) Smooth endoplasmic reticulum
Mitochondria
What are 2 functions of the Golgi body?
a) Synthesising carbohydrates
b) Modifying and exporting proteins
c) Producing ATP
d) Breaking down pathogens
Modifying and exporting proteins, synthesising
carbs
What organelle contains digestive enzymes and
breaks down pathogens?
a) Lysosomes
b) Ribosomes
c) Nucleus
d) Cell membrane
Lysosome
What provides structural support and maintains
the shape of the cell?
a) Ribosomes
b) Golgi body
c) Cytoskeleton
d) Smooth endoplasmic reticulum
Cytoskeleton
What forms the mitotic spindle during cell
division?
a) Centrioles
b) Golgi body
c) Ribosomes
d) Nucleolus
Centrioles
Which cellular structure moves materials across
the cell surface?
a) Ribosomes
b) Centrioles
c) Cilia
d) Flagella
Cilia
What is the primary function of chloroplasts in
plant cells?
a) Synthesizing carbohydrates
b) Producing ATP
c) Site of photosynthesis
d) Breaking down toxins
Site of photosynthesis
Which organelle stores water and nutrients in
plant cells?
a) Chloroplasts
b) Golgi body
c) Vacuole
d) Cell membrane
Vacuole
What is the primary component of the cell wall in
plant cells?
a) Collagen
b) Cholesterol
c) Cellulose
d) Keratin
Cellulose
What does the cytoplasm in the cell contain?
a) Producing ATP
b) Breaking down toxins
c) Control centre of the cell
d) Jelly-like fluid and dissolved solutes
Jelly-like fluid and dissolves substances
What type of molecules are ribosomes
composed of?
a) Proteins and RNA
b) Lipids and carbohydrates
c) DNA and RNA
d) Nucleotides
Proteins and RNA
Which organelle synthesizes and transports
lipids, cholesterol, and hormones?
a) Golgi body
b) Smooth endoplasmic reticulum
c) Rough endoplasmic reticulum
d) Mitochondria
Smooth endoplasmic reticulum
What is the function of lysosomes in a cell?
a) Producing ATP
b) Storing water and nutrients
c) Breaking down pathogens and cellular debris
d) Synthesizing proteins
Breaking down pathogens and debris
Which organelles are responsible for synthesizing
proteins?
a) Smooth endoplasmic reticulum
b) Rough endoplasmic reticulum
c) Golgi body
d) Ribosomes
Ribosomes and RER
What is the function of the cytoskeleton in a cell?
a) Producing ATP
b) Providing structural support
c) Control centre of the cell
d) Breaking down toxins
Providing structural support
Which type of muscle tissue is striated and under
voluntary control?
a) Smooth muscle
b) Cardiac muscle
c) Skeletal muscle
d) None of the above
Skeletal muscle
What organelle is responsible for synthesizing
ATP through aerobic respiration?
a) Nucleus
b) Mitochondria
c) Golgi body
d) Ribosomes
Mitochondria
What is the function of the smooth endoplasmic
reticulum?
a) Synthesizing and transporting lipids, cholesterol,
and hormones
b) Modifying and exporting proteins
c) Producing ATP
d) Breaking down pathogens
Synthesizing and transporting
What are the hair-like protrusions from the cell membrane that are used for movement?
a) Ribosomes
b) Flagella
c) Centrioles
d) Vacuoles
Flagella
Which organelle is responsible for folding
polypeptides to their secondary and tertiary
structures?
a) Smooth endoplasmic reticulum
b) Rough endoplasmic reticulum
c) Golgi body
d) Nucleus
Rough endoplasmic reticulum
What is the function of the centrioles?
a) Producing ATP
b) Synthesizing proteins
c) Cell division and forming the mitotic spindle
d) Breaking down toxins
Cell division and form the mitotic spindle
Which type of muscle tissue is found in the
heart?
a) Smooth muscle
b) Cardiac muscle
c) Skeletal muscle
d) None of the above
Cardiac muscle
What is the function of the cytoskeleton?
a) Producing ATP
b) Providing structural support
c) Breaking down pathogens
d) Modifying and exporting proteins
- Providing structural support
Which organelle is responsible for storing water
and nutrients?
a) Lysosomes
b) Mitochondria
c) Vacuoles
d) Golgi body
Vacuoles
In which process do molecules move from an area
of high concentration to low concentration without
requiring energy?
a) Active transport
b) Osmosis
c) Diffusion
d) Endocytosis
Diffusion
Which structure allows molecules to diffuse
directly through it?
a) Nucleus
b) Golgi body
c) Cell membrane
d) Mitochondria
Cell membrane
Which type of molecules are most likely to
undergo diffusion?
a) Large, polar molecules
b) Large, non-polar molecules
c) Small, lipid-soluble, non-polar molecules
d) Small, water-soluble, polar molecules
Small, lipid-soluble, non-polar molecules
Which factors affect the rate of diffusion?
a) Presence of carrier proteins
b) pH of the environment
c) Surface area, temperature, and concentration
gradient
d) Presence of lysosomes
Surface area, temperature, and concentration
gradient
Which process requires energy and moves
molecules against their concentration gradient?
a) Osmosis
b) Endocytosis
c) Active transport
d) Facilitated diffusion
Active transport
Through what structure does active transport
typically occur?
a) nuclear pores
b) Smooth endoplasmic reticulum
c) Golgi vesicles
d) Carrier proteins
Carrier proteins
What type of molecules are primarily transported through active transport?
a) Small, lipid-soluble, non-polar molecules
b) Large, water-soluble, polar molecules
c) Small, non-polar molecules
d) Large, lipid-soluble, non-polar molecules
Large, water-soluble, polar molecules
Which direction does water move during osmosis?
a) From low-water potential to high-water potential
b) From high-water potential to low-water potential
c) Against the concentration gradient
From high-water potential to low-water potential
What property of the membrane allows osmosis
to occur?
a) Permeability to all solutes
b) Impermeability to water
c) Selective permeability
d) Complete permeability
Selective permeability
which process does water move across a semipermeable membrane without requiring energy?
a) Facilitated diffusion
b) Endocytosis
c) Osmosis
d) Exocytosis
Osmosis
