Chap 3 - Cells Question Preview (ID: 36084)
Parts And Purpose Of Cells.
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Cells are the _____________ unit of life in all living things.
a) smallest
b) least important
c) least organized
d) biggest
Which of the following in NOT a many-celled organism?
a) dog
b) bacteria
c) tree
d) human
Your body contain about 10 _____________ cells.
a) thousand
b) million
c) trillion
d) one
DNA is a chemical that controls what ____________ an organism will have.
a) environment
b) traits
c) neither choice is correct
d) both choices are correct
A __________________ is a storage area for food, water, minerals, and wastes.
a) vacuum
b) nucleus
c) vacuole
d) mitochondria
In a ________________, the energy a cell needs is released from food.
a) cell membrane
b) mitochondrion
c) vacuole
d) nucleus
The ___________________ controls most of the cell's activities.
a) nucleus
b) cell wall
c) chloroplast
d) nucleus
A chromosome contains __________________.
a) DNA
b) chlorophyll
c) cytoplasm
d) cell wall
The _____________ forms a boundary between the plant or animal cell and its environment.
a) cytoplasm
b) organelle
c) cell membrane
d) cell wall
Cells that make up many-celled organisms are _________________.
a) none are correct
b) identical
c) able to carry out all life activities
d) specialized
______________ are groups of similar cells that all do the same sort of work.
a) Organ system
b) Organ
c) Cell
d) Tissue
A(n) ___________ is a structure made up of two or more different types of tissue that work together.
a) organ system
b) cell
c) organ
d) tissue
_____________ is the gel-like substance that fills the cell.
a) tissue
b) cytoplasm
c) chromosone
d) organelles
Which of the following structures are found in plant cells but not animal cells?
a) cell walls and cell membranes
b) mitochondria and cell membranes
c) cell walls and chloroplasts
d) nucleus and cell wall
What cell structure contains the cell's genetic material?
a) Vacuole
b) Mitochondria
c) Cytoplasm
d) Nucleus
Which structure is a thin, flexible barrier around the cell?
a) Cell wall
b) Cell membrane
c) Cytoplasm
d) Chloroplast
What type of cells have cell membranes?
a) Plant and animal cells
b) Plant cell only
c) Animal cell only
d) None are correct
Releases energy that cells use.
a) Mitochondria
b) Chloroplast
c) Nucleus
d) Cytoplasm
Supports and provides structure for plant cells.
a) Cell membrane
b) Cell wall
c) Nucleus
d) Chloroplast
I am long and thin and can contract (become shorter). I have a lot of mitochondria because I use up large amounts of energy. What am I?
a) Nerve cells
b) Blood cells
c) Muscle cells
d) Bone cells
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