WorksheetsCh 5 review cells
Total questions: 50
Worksheet time: 50mins
The word cell was coined by whom?
Antonie van Leeuwenhoek
Robert Hooke
Rudolf Virchow
Matthias Schleiden
Robert Hooke first used the word cell to describe structures he saw in a(n):
asparagus stem
sample of pond water
piece of goose liver
slice of cork
Scientists in the mid-1800s compiled a series of statements regarding the nature and function of cells. The set of statements is now known as the:
cell theory
cellular paradigm
law of cells
cell manifesto
Which of the following are unicellular?
plants
animals
bacteria
humans
Which of the following do not consist of eukaryotic cells?
plants
animals
bacteria
humans
Which of the following is not true about tissues?
they are made of eukaryotic cells
they are specialized to do a particular taks
they are found in all life forms
they can work together with other tissues
The genetic material of a bacterium is located within its _____.
nucleoid
nucleus
capsule
flagellum
A system of fibers within a bacterium that provides structure and serves as a track to move substances around the cell is the what?
nucleoid
cytoplasm
cytoskeleton
capsule
A cellular organelle that "reads" RNA and assembles amino acids into proteins is what?
lysosome
chloroplast
mitochondrion
ribosome
Which of the following is found in plant cells but NOT in animal cells?
nucleus
cell wall
ribosome
endoplasmic reticulum
Cell membranes are made of two layers of what?
carbohydrates
protein
lipids
nucleic acids
The genetic material within the nucleus of a cell, consisting of DNA, RNA, and associated proteins, is collectively known as what?
chromatin
nucleic acid
the nucleolus
the nucleid
A medical lab finds that a particular species of bacteria can survive at temperatures from 6-23 o C. This range of temperatures is known as that bacteria's what?
optimal range
ideal range
range of tolerance
range of growth
A medical lab finds that a particular species of bacteria grows best at temperatures from 16-20 o C. This range of temperatures is known as that bacteria's what?
optimal range
ideal range
range of tolerance
range of growth
What happens to a cell if it is exposed to temperature outside of its range of tolerance?
the cell stops growing
the cell quickly dies
the cell cannot reproduce
the cell mutates
A hypertonic solution contains ____ compared with the cytoplasm of a cell.
no solute
an equal amount of solute
less solute
more solute
When cells and the solution surrounding them contain equal amounts of solute, the solution is said to be what?
merotonic
hypertonic
hypotonic
isotonic
If a cell is exposed to a hypertonic solution, it will do what?
swell
shrivel
die
remain the same
Which of the following is NOT a factor that determines whether a particle can be passively transported across a cell membrane?
particle size
particle speed
membrane composition
particle polarity
Which type of transport across a cell membrane requires energy?
active transport
osmosis
diffusion
facilitated diffusion
Which two types of transport across a cell membrane require the use of transport proteins in the cell membrane?
diffusion and osmosis
osmosis and active transport
facilitated diffusion and active transport
passive transport and diffusion
Which type of transport across a cell membrane consists of the cell membrane engulfing a very large particle and forming a sack around it?
endocytosis
exocytosis
both
neither
Cell theory is a model that explains the way cells work.
True
False
One conclusion from cell theory is that all living things are made of cells except bacteria.
True
False
Unicellular organisms do not form colonies.
True
False
Cells in a colony work together, but cannot live independently from one another.
True
False
Prokaryotic cellular organelles are surrounded by membranes.
True
False
Both eukaryotic and prokaryotic cells contain organelles.
True
False
The capsule is a structure found outside the cell wall of bacteria.
True
False
Photosynthesis happens in the grana of chloroplasts.
True
False
In the diagram, the open region is the hydrophobic portion of the lipid bilayer in a cell membrane.
True
False
Positive feedback causes a process to slow down.
True
False
Homeostasis is the process by which a cell maintains stable conditions in its external environment.
True
False
Diffusion and osmosis are different words that identify the same process.
True
False
Osmosis produces equal solution concentrations on both sides of a semipermeable membrane.
True
False
Semipermeable membranes allow particles in a solution to pass through in both directions.
True
False
When the concentration of a solution outside a cell is lower than the concentration of the cytoplasm inside the cell, the solution is said to be hypertonic.
True
False
Passive transport requires no energy.
True
False
Passive transport can move particles from regions of low concentration to regions of high concentration.
True
False
Particle shape is not a factor in passive transport.
True
False
Active transport requires the use of transport proteins embedded in the cell membrane.
True
False
Active transport can move particles from regions of low concentration to regions of high concentration but requires energy to do so.
True
False
Exocytosis is a form of active transport that moves substances out of a cell.
True
False
If an acid is splashed on your skin, wash at once with
soap.
oil.
weak base.
plenty of water.
When you finish working with chemicals, biological
specimens, and other lab substances, always
treat your hands with skin lotion.
wash your hands thoroughly with soap and water.
wipe your hands on a towel
wipe your hands on your clothes.
Identify 9 on the cell diagram
lysosome
chromosome
mitochondria
centriole
Identify part 1 on the cell diagram.
nucleus
nucleolus
nucleopore
nucleoplasm
Identify part 8 on the cell diagram.
rough ER
smooth ER
lysosome
golgi apparatus
Identify part 6 on the cell diagram.
Smooth ER
ribosome
golgi apparatus
lysosome
Identify part 11 on the cell diagram.
nucleoplasm
mitoplasm
microplasm
cytoplasm
