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WorksheetsBiology Exam Review 5
Total questions: 21
Worksheet time: 28mins
The Cell Theory states:
Principle I - All living things are composed of cells.
Principle II - The cell is the basic unit of structure and function in living organisms.
Principle III - All cells come from the division of pre-existing cells.
The contributions made by Rudolf Virchow led to the formulation of which component(s) of the Cell Theory?
Principle I
Principle II
Principle III
Principles I & II
Plants and animals are both "eukaryotes" and as such they have many cellular structures that are the same. What organelle is present in plant cells, but not in animal cells?
nucleus
mitochondria
chloroplast
vacuole
As scientists studied cells, they discovered there are two kinds which they called prokaryotic and eukaryotic. The internal construction of the cell determines its classification. What does a eukaryote have that at prokaryote does not?
DNA
Membrane-bound nuclei
Flowing cytoplasm
Cell membrane
Which structure is not present in a prokaryotic cell?
DNA
Nuclear membrane
Phospholipid membrane
Cytoplasm
Most animal eukaryotic cells have a -
cell wall, nucleus, and cytoplasm.
nucleus, chloroplasts, and nucleolus
cell wall, nucleus, and mitochondrion.
plasma membrane, nucleus, and cytoplasm.
Which molecule provides most of the energy used to drive chemical reactions in cells?
DNA
RNA
ATP
ADP
The diagram below shows how a paramecium maintains homeostasis. A paramecium normally lives in a hypotonic environment in which water continually diffuses into the cell. To maintain homeostasis, the paramecium must pump out large amounts of water using its contractile vacuole.
Water will diffuse into the paramecium.
Water will diffuse out of the paramecium.
Salt will be pumped out of the paramecium by the vacuole.
Salt will be pumped into the paramecium by the vacuole.
Which organelle contains energy-rich organic compounds necessary for ATP production?
ribosome
mitochondria
nucleus
lysosome
By what process do cells move water across a membrane along a concentration gradient?
Active transport
Osmosis
Facilitated diffusion
Passive Transport
A type of cellular transport is shown.
Which description best identifies this type of cellular transport?
Active transport, because energy is being used to move molecules against the concentration gradient
Facilitated diffusion, because energy is being used to move molecules with the concentration gradient
Osmosis, because energy is not being used to move molecules with the concentration gradient
Endocytosis, because energy is not being used to move molecules against the concentration gradient
The diagram illustrates the activity of vesicles during a cellular process.
Which statement best explains the function of the vesicles?
Delivering packaged materials to the Golgi apparatus for protein synthesis
Exchanging genetic information between the Golgi apparatuses of separate cells
Extracting portions of the Golgi apparatus to be regenerated for growth within the cell
Transporting packaged molecules from the Golgi apparatus to be released out of the cell
A student groups different types of cells as shown.
Which table headings should the student use for the two groups?
1. Animal Cell 2. Plant Cell
1. Prokaryotic Cell 2. Eukaryotic Cell
1. Mobile Cells. 2. Motile Cells
1. Fungal Cells. 2. Bacterial Cells
Scientists think eukaryotes may have evolved from an endosymbiotic relationship between prokaryotes of mitochondria and host parasitic cells. One piece of evidence that supports this endosymbiosis theory is that mitochondria have their own system of transcription and translation that more closely resembles protein synthesis in prokaryotes than eukaryotes.
Upon evaluation of this information, which of the following statements is most likely true?
At one time, mitochondria may have been primitive prokaryotic cells.
Protein synthesis in the mitochondria is the result of bacterial cell infection.
Mitochondria do not have DNA and, therefore, do not produce mitochondrial RNA.
There was never a symbiotic relationship between prokaryotic cells and eukaryotic cells.
Which will most likely occur when a cell is immersed in a hypotonic solution?
The cell will take in water.
The cell will expel water.
The cell will shrink in size.
The cell size will not change.
A dichotomous key can be used to identify an unknown organism.
What is the most likely common name of the fish in the picture?
Peacock flounder
Glass eye snapper
Squirrel fish
Band-tail puffer
Viruses are tiny non-living, disease-causing organisms. Which of these does a virus need in order to multiply?
Chloroplasts from a host cell
New ADP from a host cell
A host cell to provide oxygen to the virus
A host cell to replicate the virus’ DNA
Which of these events is most likely to cause a widespread influenza outbreak?
People in northern regions are affected by weather patterns.
The influenza virus is recognized by host immune systems.
Global warming causes increased winter precipitation.
People lack immunity to a new strain of flu virus.
A photograph of a virus is shown below.
The projections on the surface of this virus allow the virus to —
move inside a host cell
attach to a host cell
control a host cell’s DNA
signal other viruses to infect a host cell
A student produces a labeled drawing of a virus for a presentation. The student states that the capsid has a function similar to the nuclear membrane found in animal cells.
Which of these describes the similar functions of capsids and nuclear membranes?
Both transport proteins throughout the structures.
Both provide energy for activities in the structures.
Both protect genetic information for the structures.
Both code for the proteins needed for reproduction of the structures.
Influenza is a virus that infects the cells of the respiratory tract and can cause fever, runny nose, headache, coughing, and muscle pain. Scientists develop new vaccines against the influenza virus every year.
Why must scientists create new vaccines for this virus so often?
The virus fights off the vaccine and becomes resistant.
Different people respond to the vaccine differently.
The virus surface proteins mutate rapidly.
The vaccine is broken down by the immune system.
Many cleaning products claim to kill viruses. A biologist would question that claim. Why?
Viruses are not pathogenic.
Viruses have cell walls.
Viruses reproduce only in living cells.
Viruses invade only plants and animals.
