Biology Chapter 3 Study Guide
Which of the following is true of both DNA and some proteins
Must be kept separate from cytoplasm
cell membrane
Nucleus: nuclear envelope
A structure within a eukaryotic cell that carries out specific activities inside the cell is called a(n)
Organelle
The diffusion of water into or out of a cell is called
Osmosis
The sodium potassium pump
Is a carrier protein
To function most efficiently, a cell's size must be
Small
Which of the following is a form of active transport
Sodium potassium pump
Which of the following statements about prokaryotes is correct
Their evolution preceded that of eukaryotes
Sugar molecules cross the cell membrane by
facilitated diffusion
Where are bound ribosomes located?
attached to membranes of another organelle
Cell membrane: cell
Door:house
The sodium-potassium pump usually pumps
potassium ions into the cell
Signal molecules bind to
receptor proteins
The organelle that modifies, sorts, and packages proteins is the
Golgi apparatus
Refer to the illustration above. The structure labeled A is composed of
Lipids
Which of the following descriptions of hormones is correct
Signal molecules distributed throughout the body
What kind of cytoskeleton fibers could help a cell change shape to fit into a space
Intermediate fibers
All of the following are found in both plant and animal cells, except
A cell wall
Refer to the illustration above. What happens when the structure labeled A binds to the structure labeled b
Information is sent into the cell
Which of the following is an example of a prokaryotic cell
Bacterium
How does water pass through the cell memebrane
Through channel proteins just for water
Refer to the illustration above. The structure labeled D is a(n)
Transport protein
Refer to the illustration above. The cell uses structure 3 to
Use energy from organic compounds to make ATP
Refer to the illustration above. Structure 3 is a(n)
Vesicle
Proteins and polysaccharides that are too large to move into a cell through diffusion or active transport move in by
Endocytosis
The organelle that moves proteins and other substances through the cell is the
Endoplasmic reticulum
Plant cells have a large membrane-bound space in which water, waste products, and nutrients are stored. This compartment is called the
Central vacuole
Proteins that serve as tunnels for specific substances through the lipid bilayer are
Channel proteins
Organelle associated with plant photosynthesis are the
Chloroplasts
The genetic material that provides instructions for making proteins is
DNA
As a result of diffusion, the concentration of many types of substances
Eventually becomes balanced on both sides of a membrane
Molecules that are too large to be moved across a cell membrane can be removed from the cell by
Exocytosis
Removing materials from a cell in vesicles is called
Exocytosis
As a cell size increases, the surface area to volume ratio
Decreases
Refer to the illustration above. The process shown is called
Diffusion
The dispersal of ink in a beaker of water is an example of
Diffusion
Which of the following does not require energy
Diffusion
Refer to the illustration above. The cell shown is probably an animal cell because it
Does not have a cell wall
How many potassium ions does the sodium potassium pump move into a cell if it moves six sodium ions out of the cell
Four
Diffusion is the movement of a substance
From an area of high concentration to an area of lower concentration
When the volume of cell increases, its surface area
Increases at a slower rate
Which of the following led to the discovery of cells
Microscopes
A cell that requires a lot of energy might contain large numbers of
Mitochondria
Which of the following is part of the cell theory
Most cells arise from existing cells
Unlike passive transport, active transport
Moves substances down their concentration gradient
The double membrane surrounding the nucleus is called the
Nuclear envelope
Phospholipids are molecules that havr
One polar phosphate head and two polar fatty acid tails
What change takes place in the cell membrane if a signal molecule causes a transport protein to open
Permeability change
Which type of molecule forms the cell membrane
Phospholipid
Short, thick outgrowths that allow prokaryotes to attach to surfaces or each other are called
Pili
What do chloroplasts and mitochondria have in common
Production of atp
Microfilaments, microtubes, and intermediate fibers are three kinds of cytoskeleton
Protein fibers
Refer to the illustration above. The structure labeled B in the diagram is an example of a(n)
Receptor protein
Which of the following transmit information into a cell by binding to signal molecules
Receptor proteins
The interior of the lipid belayer of a cell membrane forms a non polar zone that
Repels ions and most polar molecules
In a cell, proteins are made on the
Ribosomes
Refer to the illustration above. The structure labeled 4 are
Ribosomes
Refer to the illustration above. Which structure provides vesicles filled with proteins
Structure 1
Refer to the illustration above. In eukaryotic cells, DNA is found in
Structure 2
Refer to the illustration above. Which structure immediately identifies this cell as a eukaryote
Structure 2
Refer to the illustration above. Which structure packages proteins for distribution
Structure 2
Refer to the illustration above. Which structure acts as a boundary between the outside environment and the inside of the cell
Structure 4
The size to which cells can grow is limited by their
Surface area to volume ratio
Surface area is an important factor in limiting cell growth because
The cell may become too large to take in enough food and to remove enough wastes
Refer to the illustration above. Structure 2 is
The nucleus
Which of the following statements about an isotonic solution and a cell is correct
The solution has the same solute concentration that the cytoplasm does
Which of the following statements about colonial organisms is correct
Their cell activities are integrated
Only eukaryotic cells have
membrane bound organelles
Sunlight:chloroplasts
organic compounds: mitochondria
Ions move through ion channels by
passive transport
Osmosis is a type of
passive transport
Which cells have a cell membrane, cytoplasm, ribosomes, and DNA?
All cells
Which of the following pairs contains unrelated items
Cell wall-animal cell
A cube with a side length of 6 mm has a surface area to volume ratio of
1:1
Refer to the illustration above. Structure 5 is
A golgi apparatus
One difference between prokaryotes and eukaryotes is that prokaryotes do not have
A nucleus
Which of the following shapes would allow a cell to have the greatest surface area to volume ratio
Broad to flat
Both active transport and facilitated diffusion involve
Carrier proteins
What level of organization is the small intestine
Cell
Refer to the illustration above. The structure labeled C is a(n)
Cell surface marker
Proteins in the cell membrane that identify the cell are called
Cell surface markers