Biology Exam 2

20 Questions | By Poogles7 | Updated: Mar 11, 2013 | Attempts: 258

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1.

The ___ is a selective barrier, regulating the passage of material into and out of the cell.
- A.
  
  Nuclear envelope
- B.
  
  Lysosome
- C.
  
  Plasma membrane
- D.
  
  Chloroplast
- E.
  
  Nucleus
Correct Answer
C. Plasma membrane
2.

Proteoglycans and glycoproteins are associated with __________.
- A.
  
  The extracellular matrix of Archae
- B.
  
  The extracellular matrix of Animalia
- C.
  
  The esther linkages present in Eukaryota
- D.
  
  The ester linkages present in Bacteria
- E.
  
  The cell walls of some Protista
Correct Answer
B. The extracellular matrix of Animalia
3.

Which of the following is needed for active transport?
- A.
  
  A concentration gradient
- B.
  
  A membrane
- C.
  
  An energy source
- D.
  
  All of the above are needed
- E.
  
  None of the above are needed
Correct Answer
D. All of the above are needed
4.

The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cell remove calcium from its cytoplasm?
- A.
  
  Passive transport
- B.
  
  Secondary transport
- C.
  
  Active transport
- D.
  
  Any of the above
Correct Answer
A. Passive transport
5.

___________ is/are composed of DNA and protein.
- A.
  
  Mitochondria
- B.
  
  Ribosomes
- C.
  
  Lysosomes
- D.
  
  Chromatin
- E.
  
  Alpha tubulin
Correct Answer
D. Chromatin
6.

The resolving power of a lens is ___________.
- A.
  
  The maximum distance two objects can be separated and still be seen in the field
- B.
  
  The minimum distance two objects can be separated and still be discerned as two separate objects
- C.
  
  The ratio of ocular magnification to the objective magnification
- D.
  
  The product of the ocular lens magnification and the objective magnification
- E.
  
  A factor related to the condenser and iris diaphragm
Correct Answer
B. The minimum distance two objects can be separated and still be discerned as two separate objects
7.

Methionine is the first amino acid in proteins for members of ____________
- A.
  
  Domain Bacteria
- B.
  
  Domain Archaea
- C.
  
  Domain Eukaryota
- D.
  
  Domain Bacteria and Domain Archaea
- E.
  
  Domain Archaea and Domain Eukaryota
Correct Answer
E. Domain Archaea and Domain Eukaryota
8.

Dye injected into a plant cell might be able to enter an adjacent cell through a ______.
- A.
  
  Plasmadesmata
- B.
  
  Tight junction
- C.
  
  Microtubule
- D.
  
  Desmosome
- E.
  
  Gap junction
Correct Answer
A. Plasmadesmata
9.

A vesicle inside a cell moves to the plasma membrane, fuses with the plasma membrane, and expels its contents to the exterior of the cell. This is known as
- A.
  
  Facilitated diffusion
- B.
  
  Active transport
- C.
  
  Exocytosis
- D.
  
  Endocytosis
- E.
  
  None of the above
Correct Answer
C. Exocytosis
10.

Which of the following is a likely result of a cell lacking functional lysosomes?
- A.
  
  The cell becomes crowded with waste vesicles
- B.
  
  The cell eventually dies because it can no longer recycle components of organelles
- C.
  
  The cell loses interest in the manufacturing of ATP
- D.
  
  The cell dies of lead poisoning
- E.
  
  two of the above
Correct Answer
E. two of the above
11.

What name is given to the process by which water crosses a selectively permeable membrane?
- A.
  
  Diffusion
- B.
  
  Passive transport
- C.
  
  Phagocytosis
- D.
  
  Osmosis
Correct Answer
D. Osmosis
12.

A membrane protein powered by ATP moves three Na+ out of the cell and two K+ into the cell. This process is referred to as ______.
- A.
  
  Phagocytosis
- B.
  
  Facilitated diffusion
- C.
  
  Osmosis
- D.
  
  Pinocytosis
- E.
  
  Active transport
Correct Answer
E. Active transport
13.

Gated channels are associated with _________.
- A.
  
  Simple diffusion
- B.
  
  Facilitated diffusion
- C.
  
  Osmosis
- D.
  
  Activation of ATP
- E.
  
  None of the above
Correct Answer
B. Facilitated diffusion
14.

70s ribosomal subunits are manufactured in the ___________.
- A.
  
  Nucleoid
- B.
  
  Nucleolus
- C.
  
  Nucleus
- D.
  
  Rough endoplasmic reticulum
- E.
  
  Smooth endoplasmic reticulum
Correct Answer
A. Nucleoid
15.

Which of the following is the best clue to determine if a cell is prokaryotic or eukaryotic?
- A.
  
  The presence or absence of a cell wall
- B.
  
  Whether or not the cell has a nucleus
- C.
  
  The presence or absence of a centriole
- D.
  
  The presence or absence of 70s ribosomes
- E.
  
  None of the above will help determine this
Correct Answer
B. Whether or not the cell has a nucleus
16.

Which of the following features do all prokaryotes and eukaryotes have in common?
- A.
  
  Mitochondria, cytoplasm, plasma membrane
- B.
  
  Ribosomes, plasma membrane, cytoplasm
- C.
  
  Nucleus, plasma membrane, ribosomes
- D.
  
  Mitochondria, ribosomes, cytoplasm
- E.
  
  Ribosomes, nucleus, mitochondria
Correct Answer
B. Ribosomes, plasma membrane, cytoplasm
17.

Lysosomes are dervied from ________ and function in ___________.
- A.
  
  Mitochondria ...... anaerobic respiration
- B.
  
  The golgi apparatus ....... recycling of worn out organelles
- C.
  
  Microtubule organizing centers ....... storage of ATP
- D.
  
  Ribosomes ........ DNA replication
- E.
  
  Hydrogen peroxide ...... aerobic respiration
Correct Answer
B. The golgi apparatus ....... recycling of worn out organelles
18.

Which organelle is known as the "powerhouse" of a cell and carries out cellular respiration?
- A.
  
  Nucleolus
- B.
  
  Chromatin
- C.
  
  Smooth endoplasmic reticulum
- D.
  
  Mitochondria
- E.
  
  Ribosomes
Correct Answer
D. Mitochondria
19.

Eukaryotic ribosomal subunits are manufactured in the
- A.
  
  Nucleoid
- B.
  
  Nucleolus
- C.
  
  Nucleus
- D.
  
  Rough endoplasmic reticulum
- E.
  
  Smooth endoplasmic reticulum
Correct Answer
B. Nucleolus
20.

Most of the DNA in a prokaryotic cell is in
- A.
  
  Ribosomes
- B.
  
  Mitochondria
- C.
  
  The nucleoid
- D.
  
  The nucleus
- E.
  
  All of the above
Correct Answer
C. The nucleoid

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Mar 11, 2013

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Mar 04, 2013

Quiz Created by
Poogles7

Biology Exam 2

The ___ is a selective barrier, regulating the passage of material into and out of the cell.

Proteoglycans and glycoproteins are associated with __________.

Which of the following is needed for active transport?

The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cell remove calcium from its cytoplasm?

___________ is/are composed of DNA and protein.

The resolving power of a lens is ___________.

Methionine is the first amino acid in proteins for members of ____________

Dye injected into a plant cell might be able to enter an adjacent cell through a ______.

A vesicle inside a cell moves to the plasma membrane, fuses with the plasma membrane, and expels its contents to the exterior of the cell. This is known as

Which of the following is a likely result of a cell lacking functional lysosomes?

What name is given to the process by which water crosses a selectively permeable membrane?

A membrane protein powered by ATP moves three Na+ out of the cell and two K+ into the cell. This process is referred to as ______.

Gated channels are associated with _________.

70s ribosomal subunits are manufactured in the ___________.

Which of the following is the best clue to determine if a cell is prokaryotic or eukaryotic?

Which of the following features do all prokaryotes and eukaryotes have in common?

Lysosomes are dervied from ________ and function in ___________.

Which organelle is known as the "powerhouse" of a cell and carries out cellular respiration?

Eukaryotic ribosomal subunits are manufactured in the

Most of the DNA in a prokaryotic cell is in

Lysosomes are dervied from and function in ___.