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Chapter 3, Section 2 A
Test Description: Cells: The Basic Units of Life
Instructions: Answer all questions to get your test result.
1) The scientist who said that all cells come from cells was named ___.
A
Schwann
B
Hooke
C
Schleiden
D
Virchow
2) Which of the following statements is not part of the cell theory?
A
All cells have a nucleus and a cell membrane.
B
The most basic component of any organism is the cell.
C
All cells originate from other cells.
D
All living things are made up of one or more cells.
3) Which of the following is NOT a characteristic of bacteria?
A
Their DNA is one long, circular molecule.
B
They have a cell membrane.
C
They have an endoplasmic reticulum.
D
They are prokaryotes.
4) The first person to discover and name the tiny boxes seen under a crude compound microscope as cells was looking at a
A
leaf from a fern
B
slice of cork
C
feather
D
piece of skin
5) When compared to a prokaryotic cell, a eukaryotic cell ___.
A
had DNA that is linear rather than circular
B
has more types of organelles
C
All of the anwers
D
stores its DNA in a nucleus rather than in the cytoplasm
6) Leeuwenkoek was the first person to ___.
A
discover that yeast is a unicelular organism
B
all of the answers
C
see bacteria
D
observe that human blood cells are flatter that bird blood cells
7) Why is an elephant larger than a human?
A
it has a larger surface to volume ratio of its cells than a person does
B
it has more cells than a person does
C
it has larger cells than a person does
D
none of the answers
8) Having membrane covered organelles is a characteristic of ____ cells.
A
eukaryotic
B
neither
C
both
D
prokaryotic
9) The role of the cell's ___ is to release energy that can be used to power various cellular processes.
A
ribosomes
B
mitochondria
C
nucleus
D
cell wall
10) Cell's that have no membrane-covered organelles are ___ cells.
A
eukaryotic
B
prokaryotic
C
both
D
neither.
*select an answer for all questions
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