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STAAR Cell Structure And Function
Test Description: Cells, Cellular Proceess, Viruses, Specilized cells, Cell cycle, and Biomolecules
Instructions: Answer all questions to get your test result.
1) Viruses can only replicate--
A
inside a host cell
B
between host cells
C
outside a nucleus
D
along a cellular membrane
2) Cell membranes perform all of the following functions except--
A
regulating substances exiting cells
B
makign nutrients for the cell
C
holding cytoplasm withing cells
D
recognizing other cells
3) Which of the following roles do enzymes play when the body breaks sucrose (table sugar) into the simple sugars glucose and fructose?
A
An enzymes decreases the body's need for sucrose.
B
An enzyme increases the amount of sucrose available.
C
An enzyme increases the rate at which the sucrose breaks down.
D
An enzyme decreases the amount of fructose and glucose product available.
4) A scientist determines that a newly discovered organism is a eukaryote and not a prokaryote because the new organism's cells have--
A
hereditary material
B
flagella
C
cell walls
D
nuclear membranes
5) If a cell has a very large number of ribosomes attached to its rough endoplasmic reticulum, what is the cell probably specilized to manufacture?
A
protein
B
lipids
C
nucleic acids
D
glucose
6) The part of the cell in which ATP is synthezied is--
A
mitochondrion
B
chloroplast
C
cell wall
D
lysosome
7) A DNA is made smaller units called monomers. Which biomolecule represents one of these monomers?
A
nucleotide
B
lipid
C
amino acid
D
glucose
8) The process in which organisms maintain a stable internal environment while living in a changing environment is called--
A
osmosis
B
equilibrium
C
homeostasis
D
transport
9) The cell cycle includes mitosis. What happens during mitosis?
A
The nucleus divides so that each cell will recieve a complete set of genetic information.
B
The cell prepares to divide.
C
Each chromosome makes a copy of itself.
D
The cell cytoplasm divides twice to make four cells.
10) What type of organisms are prokaryotic?
A
Bacteria
B
Protist
C
Animals
D
Plants
*select an answer for all questions
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