Understanding Cells Question Preview (ID: 12385)


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Unlike prokaryotic cells, eukaryotic cells have the ability to
a) organize into multi-celled organisms
b) participate in symbiotic relationships with other organisms
c) get energy from the sun
d) store genetic information in the form of DNA

Which of the following is not part of the cell theory?
a) All living things are made of one or more cells
b) All cells contain the same structures
c) Cells are the basic units of structure and function in organisms
d) All cells arise from existing cells.

Prokaryotes and eukaryotes both have
a) DNA
b) ribosomes
c) Both (a) and (b)
d) None of the above

Which are ways prokaryotes differ amongst each other?
a) cell shape
b) ability to move
c) cell wall composition
d) all of the above

Which of the following helps plant cells remain rigid?
a) cell membrane
b) nucleolus
c) capsule
d) central vacuole and cell wall

The digestive enzymes in a cell are stored in the
a) Golgi apparatus
b) lysosomes
c) ribosomes
d) mitochondria

A protein channel is a transport protein that
a) always moves substances against a concentration gradient.
b) pumps ions out of a cell.
c) serves as a tunnel for specific substances
d) always requires energy from the cell.

By controlling what enters and leaves a cell, the cell membrane
a) aids in maintaining homeostasis (balance) within the cell
b) aids in maintaining homeostasis outside of the cell
c) aids in maintaining osmosis within the cell
d) aids in maintaining osmosis outside of the cell

What is one thing that is NEVER found in a prokaryotic cell?
a) ribosome
b) A membrane bound nucleus
c) pili
d) flagellum

Where does all energy for most organisms on Earth come from?
a) oxygen
b) carbon dioxide
c) water
d) sunlight

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