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WorksheetsUnit 1 Review
Total questions: 11
Worksheet time: 6mins
The cell membrane allows certain substances into the cell while blocking others. The cell membrane is
non-conductive
perforated
permeable
semi-permeable
Which of the follow would make this speciman NOT a virus
Being extremely small
Having a protein coat
Having DNA and RNA
Having no organelles
How does the cell membrane/plasma membrane regulate which molecules enter the cell.
It changes only certain molecules into ions before moving them
It transfers energy to the cell
It destroys most molecules s they do not enter the cell.
It allows only certain molecules to move into the cell.
An organism that lives in sand soil in the desert has a large, central vacuole. What would this organism be classified as?
Bacteria because it stores water.
Fungi because they are found in sandy soil
Plant, because they have large, central vacuoles.
animals because they are multicellular
What characteristic do most plants have in common?
they are unicellular
they are prokaryotic
they produce seeds
they are autotrophic
Which invention from the 17th century allowed for the development of modern cell theory?
computers
the light microscope
the scanning electron microscope
A. X-rays
Which of the following types of organisms have cell walls composed of cellulose?
worms
grass
birds
amoebas
Which cell structure is correctly paired with its primary function?
mitochondrion - movement
nucleus - storage of nutrients
ribosome - protein synthesis
nucleus - storage of nutrients
Which of the following distinguishes this bacterial cell from eukaryotes?
DNA in the bacterial cell is always in contact with the cytoplasm, and all eukaryotes have DNA located inside a nucleus.
The bacterial cell has both a cell membrane and a cell wall, and eukaryotes have only cell wall.
The bacterial cell is a unicellular organism, and all eukaryotes are multicellular.
Ribosomes are found in the cytoplasm of the bacterial cell, and eukaryotes do not have any.
An antiviral drug specifically modifies viral receptors on a eukaryotic host cell. How might this affect the viral reproductive cycle?
It would prevent the virus from attaching to the host cell
It would result in the degeneration of the viral capsid
It was enhance the process of viral apoptosis
It would facilitate the process of viral endocytosis
There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?
mitochondrion
lysosome
ribosome
nucleus
