Cells I GRADE A Q&A
_____ are surface appendages that allow a bacterium to stick to a surface.
1. Ribosomes
2. Mitochondria
3. Fimbriae
4. Flagella
5. Cell walls - (correct answer)3. Fimbriae
Fimbriae enable bacterial cells to stick to a surface.
What is the function of a bacterium's capsule?
1. protein synthesis
2. DNA storage
3. propulsion
4. protection
5. adhesion - (correct answer)4. protection
A bacterium's capsule has a protective role.
The DNA-containing region of this bacterial cell is indicated by the letter _____.
http://session.masteringbiology.com/problemAsset/1100503/4/2701q.jpg
1. A
2. B
3. C
4. D
5. E - (correct answer)4. D
The nucleoid region contains DNA.
Where is a bacterial cell's DNA found?
, 1. ribosomes
2. nucleus
3. peroxisome
4. nucleoid region
5. capsule - (correct answer)4. nucleoid region
Bacteria lack a nucleus; their DNA is found in the nucleoid region.
In a bacterium, where are proteins synthesized?
1. ribosomes
2. nucleus
3. peroxisome
4. nucleoid region
5. capsule - (correct answer)1. ribosomes
Ribosomes are involved in the manufacture of polypeptides (proteins).
What name is given to the rigid structure, found outside the plasma membrane, that
surrounds and supports the bacterial cell?
1. capsule
2. pili
3. cell wall
4. flagella
5. nucleoid region - (correct answer)3. cell wall
The cell wall is a rigid supporting structure.
The _____ is the bacterial structure that acts as a selective barrier, allowing nutrients to
enter the cell and wastes to leave the cell.
1. plasma membrane
2. nucleoid region
_____ are surface appendages that allow a bacterium to stick to a surface.
1. Ribosomes
2. Mitochondria
3. Fimbriae
4. Flagella
5. Cell walls - (correct answer)3. Fimbriae
Fimbriae enable bacterial cells to stick to a surface.
What is the function of a bacterium's capsule?
1. protein synthesis
2. DNA storage
3. propulsion
4. protection
5. adhesion - (correct answer)4. protection
A bacterium's capsule has a protective role.
The DNA-containing region of this bacterial cell is indicated by the letter _____.
http://session.masteringbiology.com/problemAsset/1100503/4/2701q.jpg
1. A
2. B
3. C
4. D
5. E - (correct answer)4. D
The nucleoid region contains DNA.
Where is a bacterial cell's DNA found?
, 1. ribosomes
2. nucleus
3. peroxisome
4. nucleoid region
5. capsule - (correct answer)4. nucleoid region
Bacteria lack a nucleus; their DNA is found in the nucleoid region.
In a bacterium, where are proteins synthesized?
1. ribosomes
2. nucleus
3. peroxisome
4. nucleoid region
5. capsule - (correct answer)1. ribosomes
Ribosomes are involved in the manufacture of polypeptides (proteins).
What name is given to the rigid structure, found outside the plasma membrane, that
surrounds and supports the bacterial cell?
1. capsule
2. pili
3. cell wall
4. flagella
5. nucleoid region - (correct answer)3. cell wall
The cell wall is a rigid supporting structure.
The _____ is the bacterial structure that acts as a selective barrier, allowing nutrients to
enter the cell and wastes to leave the cell.
1. plasma membrane
2. nucleoid region
