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WorksheetsBiology
Total questions: 20
Worksheet time: 20mins
Octopus belongs to the class________.
Mollusca
Pelecypoda
Cephalopoda
None of the above
What is true of a prokaryotic cell?
they have a nucleus
they are NOT condiered to be alive
they reproduce by binary fission
they do not have a cell wall
collects, processes, and packages proteins for the cell
mitochondria
gogli apparatus
smooth ER
rough ER
Cell B, because it contains genetic material
The spherical object within a cell that controls its activity is the _____.
mitochondria
nucleus
ribosome
membrane
All prokaryotes are single-celled organisms. Compare prokaryotes and eukaryotes. Select the characteristics that only apply to prokaryotes.
These cells have DNA in a region called the nucleoid
Some of these cells have structures like flagella and microvilla
These cells have cell walls made of polypeptides and polysaccharides
These cells have cell walls made of cellulose
These cells have DNA contained in a nucleus
What is DNA?
Deoxyrebonucliec Acid
Deoxirybonucleic Acid
Deoxyribonucleic Acid
Deoxyriebonucleic Acid
When viewing a cork through his homemade microscope, Robert Hook discovered small compartments that he called _____.
boxes
cells
prokaryotes
eukaryotes
Schleiden and Schwann believed _____.
that organisms were the basic unit of life
that both cells and organisms were basic units of life
that the questions of the basic unit of life were too abstract to answer
none of the above
What molecule will your body generally use first for energy?
carbohydrates
lipids
amino acids
nucleic acids
The term Cell was coined by
Robert Hooke
Robert Brown
JE Purkinje
AV Leeuwenhoek
What is the smallest unit of life
cell
atom
molecule
organ
