What is a thin film comprised of two fatty layers that surrounds the cell and regulates the movement of material into and out of the cell?
a. chloroplast
b. golgi apparatus
c. mitochondria
d. cell membrane |
| Answer: d |
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What are the components that make up nucleotides?
a. a nitric acid, a sugar (deoxyribose), and a phosphate group
b. a nitrogen base, a sugar (deoxyribose), and a phosphate group
c. a nitrogen base, a sugar (deoxyribose), and a potassium group
d. a nitric acid, a sugar (deoxyribose), and a potassium group. |
| Answer: b |
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What are two basic steps in protein synthesis?
a. Transcription, translation
b. Transcription, transportation
c. Transportation, translation
d. Transpiration, transportation |
| Answer: a |
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The process of nucleus division is called ____________________________.
a. halitosis
b. osmosis
c. mitosis
d. cytokinesis |
| Answer: c |
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What is diffusion?
a. the force of the cell to absorb water in order to reach equilibrium with its environment
b. the force of the cell to absorb water in order to disrupt equilibrium with its environment
c. the passage of molecules through a semi-permeable membrane from areas of low concentration to areas of high concentration
d. the passage of molecules through a semi-permeable membrane from areas of high concentration to areas of low concentration |
| Answer: d |
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How does a plant cell differ from an animal cell?
a)plant cell contains cytoplasm
b)plant cell has a cell wall
c)plant cell has organelles
d)plant cell has mitochondria
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| Answer: b |
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What is housed within the cytoplasm?
a)organelles
b)cellulose
c)cell walls
d)none of the above
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| Answer: a |
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The _____ holds the genetic information for a cell’s activities.
a)sugar molecule
b)fibers
c)nucleus
d)cellulose
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| Answer: c |
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Which of the following are units of hereditary data that dictate the activity and structure of a cell?
a)chromatin
b)genes
c)nuclear pores
d)nucleolus
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| Answer: b |
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Which of the following does not contain chloroplasts?
a)leaf cells
b)stem cells
c)petiole cells
d)root cells
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| Answer: d |
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Which of the following organelles converts sugars into energy through cellular respiration?
a)chloroplasts
b)nucleus
c)mitochondria
d)Golgi complex
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| Answer: c |
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Where are plant cell proteins mainly assembled and produced?
a)ribosomes
b)smooth endoplasmic reticulum
c)vacuole
d)mitochondria
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| Answer: a |
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Which of the following is a purpose of the smooth endoplasmic reticulum?
a)breaks down toxic chemicals
b)transport and store water
c)combine proteins with carbohydrates
d)all of the above
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| Answer: a |
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What is the result when proteins pass through the Golgi complex?
a)additional cell walls are built
b)excretes excess wastes from proteins
c)complex molecules needed for plant growth
d)distributes minerals and pigments to each protein
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| Answer: c |
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How does the vacuole serve the cell?
a)transport and store water
b)excretes wastes
c)moves salts, food, and minerals
d)all of the above
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| Answer: d |
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Which of the following is not a nucleotide base?
a)adenine
b)deoxyribose
c)thymine
d)cytosine
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| Answer: b |
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Adenine will bond only with _____.
a)cytosine
b)guanine
c)adenine
d)thymine
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| Answer: d |
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