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WorksheetsChapter 3
Total questions: 82
Worksheet time: 46mins
_____ are the building blocks of all living organisms.
organs
tissues
cells
atoms
Which of the following is NOT a part of the cell theory?
all organisms are made of cells
cell is the basic unit of life
cells come from pre-existing cells
all cells contain a nucleus
(a) can be used to view cells that can not be seen with the naked eye.
Which of the following is NOT a type of microscope?
light
dissecting
electron
sound
When using a microscope, ___________ is the process of enlarging an object in appearance?
resolution
magnification
inversion
When using a microscope, ___________ is the ability to distinguish two adjacent structures as separate?
resolution
magnification
inversion
Which of these is not a characteristic of prokaryotes?
unicellular
no nucleus
smaller than eukaryotes
contain membrane bound organelles
Prokaryotic DNA is localized in the (a) region of the cell.
Which of the following is NOT found in prokaryotic cells?
ribosomes
mitochondria
cell membrane
cell wall
Which of the following contain eukaryotic cells?
animals
plants
fungi
protists
bacteria
In eukaryotic cells, the DNA is housed inside of the (a) .
Eukaryotic cells are _________than prokaryotic cells.
smaller
larger
same size
Which of these is not a common component in all types of cells?
plasma membrane
cytoplasm
DNA
ribosomes
cell wall
The plasma membrane is composed mainly of a double layer of ___________ that work to regulate what can go in or out of the membrane?
proteins
phospholipids
DNA
carbohydrates
(a) folded areas of the plasma membrane that increase surface area of the cell.
_________ is made up of a gel-like cytosol that is ~80% water.
cell membrane
mitochondria
cytoplasm
nucleus
__________ are made of two subunits and are used for protein synthesis. These can be found freely in the cell or bound.
ribosomes
golgi bodies
mitochondria
nuclei
____________ houses DNA and is in charge of protein sythesis and synthesis of ribosomes in eukaryotes.
nucleolus
nuclear envelope
nucleus
nucleiod
____________ assembles ribosomal subunits.
nucleolus
nuclear envelope
nucleus
nucleiod
The nucleus contains DNA called _________ which is the uncondensed form of DNA.
chromosomes
nucleosomes
chromatin
histones
____________ double membrane that allows material to flow in/out of the nucleus.
nucleolus
nuclear envelope
nucleus
plasma membrane
__________ is the condensed form of DNA that consists of hereditary material and proteins.
chromosomes
nucleosomes
chromatin
histones
__________ make microtubules and also assist in cell division.
ribosomes
rough ER
golgi body
centrosomes
__________ functions in cellular respiration to provide the cell with energy.
mitochondria
nucleus
rough ER
smooth ER
The _______________ are interconnected membranous sacs that are connected to the nucleus that modify proteins. (Hint: contain bound ribosomes)
mitochondria
smooth ER
rough ER
golgi apparatus
The _______________ are interconnected membranous sacs that is continuous with the rough ER and synthesizes lipids, detoxifies, stores calcium, and metabolizes carbs.
mitochondria
smooth ER
rough ER
golgi apparatus
The _______________ processes, packages, and ships proteins.
mitochondria
smooth ER
rough ER
golgi apparatus
________ are used to package proteins and transport them elsewhere by fusing with membranes in the cell system.
vacuoles
lysosomes
vesicles
peroxisomes
________ are used for storage of materials and do NOT fuse with the membrane.
vacuoles
lysosomes
vesicles
peroxisomes
________ are used to break down fatty acids and amino acids. THey can also detoxify poisons.
vacuoles
lysosomes
vesicles
peroxisomes
________ are found in animal cells that contain digestive enzymes to breakdown large molecules or even organelles.
vacuoles
lysosomes
vesicles
peroxisomes
Which of these is not a part of the cytoskeleton found inside of cells?
microtubules
macrofilaments
microfilaments
intermediate filaments
Which type of cytoskeleton helps to determine and stabilize cell shape, made of actin monomers, and involved in movement of the or internal parts?
cilia
microfilaments
intermediate filaments
flagella
microtubules
Which type of cytoskeleton maintains cell shape, anchors organelles, and helps to hold cells to other cells?
cilia
microfilaments
intermediate filaments
flagella
microtubules
Which type of cytoskeleton is the thickest and helps to position chromosomes during cell division?
cilia
microfilaments
intermediate filaments
flagella
microtubules
Which of the following are short hair-like structures on cells that move back and forth?
cilia
microfilaments
intermediate filaments
flagella
microtubules
Which of the following are made of microtubules that move in a propeller like motion to move cells?
cilia
microfilaments
intermediate filaments
flagella
microtubules
Plants have a protective structure that lies outside of the plasma membrane known as?
capsule
cell wall
cell membrane
cellulose
Plant cell walls are made of?
capsule
cell wall
peptidoglycan
cellulose
Plants have an organelle responsible for photosynthesis known as?
mitochondria
thylakoids
ribosomes
chloroplasts
Even though plants and animal cells both contain vacuoles, plant cells have a large (a) vacuole that takes up most of the area of the cell.
The central vacuole regulates water concentration based on environmental conditions.
true
false
(a) pressure is the outward pressure caused by the fluid inside of the cell.
The hypothesis that mitochondria and chloroplasts orginated as independent prokaryotic organisms is known as?
cell theory
atomic theory
endosymbiosis
organelle orginosis
Which intercellular junction is only found in plant cells and are used to allow materials to move from cell to cell between cell walls?
plasmodesmata
tight junctions
desmosomes
gap junctions
Which intercellular junction creates a watertight seal between animal cells preventing materials from leaking between cells?
plasmodesmata
tight junctions
desmosomes
gap junctions
Which intercellular junction serves as an anchoring junction to join adjacent cells?
plasmodesmata
tight junctions
desmosomes
gap junctions
Which intercellular junction is found in animal cells and allows water/small molecules to pass between cells?
plasmodesmata
tight junctions
desmosomes
gap junctions
Which of the following is not a function of the cell membrane?
protection/organization
regulating what goes in/out of the cell
separates insides of the cell from extracellular components
responds to environment
produces energy for the cell
The cell membrane is primarily composed of phospholipids that are (a) (both hydrophilic and hydrophobic).
Water fearing
hydrophobic
hydrophilic
Water loving
hydrophobic
hydrophilic
The cell membrane contains proteins that allow for cell signaling or transport of molecules that are large/charged, these are known as? (select all that apply)
integral proteins
peripheral proteins
enzymes
glycoproteins
The plasma membrane is impermeable.
true
false
Permeability is the ability of a substane to pass through a barrier. If any substance is allowed to pass without difficulty it is known as?
freely permeable
impermeable
selectively permeable
Permeability is the ability of a substane to pass through a barrier. If nothing can pass through it is known as?
freely permeable
impermeable
selectively permeable
Permeability is the ability of a substane to pass through a barrier. If passage of some substances, but others are prevented it is known as?
freely permeable
impermeable
selectively permeable
Which of the following substances can pass through the lipid bilayer?
small molecules
polar molecules
nonpolar molecules
large molecules
gases
Which type of cell transport does not require energy?
passive
active
Which type of cell transport requires energy?
passive
active
Which type of cell transport moves substances down a concentration gradient?
passive
active
Which type of cell transport moves substances against a concentration gradient?
passive
active
Which of the following is not a type of passive transport?
facilitated diffusion
osmosis
simple diffusion
endocytosis
Which type of passive transport allows particles to flow freely down a concentration gradient?
facilitated diffusion
osmosis
simple diffusion
Which type of passive transport allows particles to flow through a channel or carrier protein down a concentration gradient?
facilitated diffusion
osmosis
simple diffusion
Which type of passive transport allows water to flow down a concentration gradient to equalize solute concentration on both sides of a membrane?
facilitated diffusion
osmosis
simple diffusion
Osmosis depends on (a) of the solution outside of the cell.
When there is a lower solute concentration outside of the cell, it is known as?
hypotonic
isotonic
hypertonic
When there is a higher solute concentration outside of the cell, it is known as?
hypotonic
isotonic
hypertonic
When there is an equal solute concentration outside of the cell, it is known as?
hypotonic
isotonic
hypertonic
If animal cells are placed in an isotonic environment the cell will?
have no net loss/gain of water
undergo lysis
undergo crenation
If animal cells are placed in a hypertonic environment the cell will?
have no net loss/gain of water
undergo lysis
undergo crenation
If animal cells are placed in a hypotonic environment the cell will?
have no net loss/gain of water
undergo lysis
undergo crenation
Plant cells perfer which type of tonic environment?
isotonic
hypotonic
hypertonic
If a beaker solution contains 30% solute, and a red blood cells that contains 15% solute is placed in the solution. How will osmosis occur?
water will move into the blood cell causing it to lyse
water will move outside the blood cell causing it to crenate
water will move into/out of the cell at an equal rate
water will move into the blood cell causing it to crenate
water will move outside the blood cell causing it to lyse
If a beaker solution contains 30% solute, and a red blood cells that contains 15% solute is placed in the solution. The beaker solution is __________ to the red blood cell.
hypertonic
isotonic
hypotonic
Which of these is not a type of active transport?
transport via protein pumps
endocytosis
exocytosis
phagocytosis
facilitated diffusion
Which type of active transport moves substances against the concentration gradient using protein carriers (pumps)?
sodium potassium pump
endocytosis
exocytosis
phagocytosis
pinocytosis
Which types of active transport brings substances into the cell?
sodium potassium pump
endocytosis
exocytosis
phagocytosis
pinocytosis
Which type of active transport removes substances out of the cell?
sodium potassium pump
endocytosis
exocytosis
phagocytosis
pinocytosis
Which type of active transport is known for bringing large molecules into the cell and is known as "cell eating"?
sodium potassium pump
endocytosis
exocytosis
phagocytosis
pinocytosis
Which type of active transport is known for bringing small molecules into the cell and is known as "cell drinking"?
sodium potassium pump
endocytosis
exocytosis
phagocytosis
pinocytosis
