Principles Of Biology I - Exam II - Chapters 6, 7, 8

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Principles Of Biology I - Exam II - Chapters 6, 7, 8 - Quiz

Pittsburg State University Principles of Biology I Fall, 2010 - Exam II - Chapters 6, 7, 8 Dr. Wu

Questions and Answers

1.

What is the minimum resolution of a Light Microscope (LM)?
- A.
  
  20 nm
- B.
  
  20 mm
- C.
  
  20 µm
- D.
  
  200 nm
- E.
  
  200 µm
2.

Which type of microscope focuses a beam of electrons onto the surface of a specimen, providing images that look 3-d?
- A.
  
  Transmission Electron Microscope
- B.
  
  Scanning Electron Microscope
- C.
  
  Light Microscope
- D.
  
  Fischer Price Microscope
- E.
  
  None of the above
3.

Which type of microscope focuses a beam of electrons through a specimen, and are used mainly to study the internal structure of cells?
- A.
  
  Transmission Electron Microscope
- B.
  
  Scanning Electron Microscope
- C.
  
  Light Microscope
- D.
  
  Fischer Price Microscope
- E.
  
  None of the above
4.

What cell types are eukaryotic?
- A.
  
  Bacteria, fungi, protists
- B.
  
  Bacteria and archaea
- C.
  
  Archaea and fungi
- D.
  
  Protists, fungi, animals and plants
- E.
  
  None of the above.
5.

What cell types are prokaryotic?
- A.
  
  Bacteria, fungi, protists
- B.
  
  Bacteria and archaea
- C.
  
  Archaea and fungi
- D.
  
  Protists, fungi, animals and plants
- E.
  
  None of the above.
6.

Prokaryotic cells:
- A.
  
  Do not have a nucleus
- B.
  
  Lack membrane-bound organelles
- C.
  
  Contain DNA in a nucleus that is bounded by a membranous nuclear envelope
- D.
  
  Have membrane-bound organelles
- E.
  
  Contain DNA in an unbound region called the nucleoid
7.

Eukaryotic cells:
- A.
  
  Contain DNA in a nucleus that is bounded by a membranous nuclear envelope
- B.
  
  Contain DNA in an unbound region called the nucleoid
- C.
  
  Lack membrane-bound organelles
- D.
  
  Have membrane-bound organelles
- E.
  
  Do not have a nucleus
8.

A phospholipid has a hydrophobic head and hydrophilic tails.
- A.
  
  True
- B.
  
  False
9.

What types of cellular organelles are present in animal cells but not plant cells?
- A.
  
  Lysosomes
- B.
  
  Nucleus
- C.
  
  Mitochondrion
- D.
  
  Cytoskeleton
- E.
  
  Golgi apparatus
- F.
  
  Flagella
- G.
  
  Plasmodesmata
- H.
  
  Centrioles
10.

What types of cellular organelles are present in plant cells but not animal cells?
- A.
  
  Chloroplasts
- B.
  
  Golgi apparatus
- C.
  
  Plasmodesmata
- D.
  
  Mitochondrion
- E.
  
  Centrioles
- F.
  
  Central vacuole and tonoplast
- G.
  
  Cell wall
11.

What cellular organelle is/are the genetic library(ies) and control center(s) of the cell?
- A.
  
  The Cytoskeleton
- B.
  
  Mitochondria & Chloroplasts
- C.
  
  The Endomembrane System
- D.
  
  Ribosomes
- E.
  
  Nucleus
12.

What cellular organelles are the protein factories of the cell?
- A.
  
  Lysosomes
- B.
  
  The Golgi Apparatus
- C.
  
  Vacuoles
- D.
  
  Ribosomes
- E.
  
  Mitochondria & Chloroplasts
13.

What cellular organelle consists of microtubules, actin and intermediate filaments?
- A.
  
  The Cytoskeleton
- B.
  
  Mitochondria
- C.
  
  The Endomembrane System
- D.
  
  Ribosomes
- E.
  
  Extracellular structures
14.

What cellular organelle is(are) the shipping and receiving center(s) for the cell?
- A.
  
  Lysosomes
- B.
  
  Vacuoles
- C.
  
  Endoplasmic Reticulum
- D.
  
  The Golgi Apparatus
- E.
  
  Actin
15.

The nuclear envelope consists of what two membranes?
- A.
  
  Lamina
- B.
  
  Chromosomes
- C.
  
  Chromatin
- D.
  
  Pores
- E.
  
  Nucleoli
16.

Chromatin condenses to form discrete _______________?
17.

What is the primary function of nucleoli?
- A.
  
  Enclose the nucleus, separating it from the cytoplasm
- B.
  
  Chromosome secretion
- C.
  
  Genetic material formation
- D.
  
  Ribosome synthesis
18.

Where can ribosomes be found in the cell?
- A.
  
  Mitochondria
- B.
  
  Cytosol (free)
- C.
  
  The Golgi Apparatus
- D.
  
  Outside of the endoplasmic reticulum or nuclear envelope (bound)
19.

What are some characteristics and functions of smooth ER (endoplasmic reticulum)?
- A.
  
  Synthesize lipids
- B.
  
  Membrane factory for the cell
- C.
  
  Metabolize carbohydrates
- D.
  
  Distributes transport vesicles
- E.
  
  Stores calcium
- F.
  
  Detoxifies poison
- G.
  
  Has bound ribosomes, studding its surface
- H.
  
  Lacks ribosomes
20.

What are characteristics and functions of rough ER (endoplasmic reticulum)?
- A.
  
  Synthesize lipids
- B.
  
  Membrane factory for the cell
- C.
  
  Metabolize carbohydrates
- D.
  
  Distributes transport vesicles
- E.
  
  Stores Calcium
- F.
  
  Detoxifies poison
- G.
  
  Has bound ribosomes, studding its surface
- H.
  
  Lacks ribosomes
21.

Endoplasmic reticulum (ER) accounts for what percentage of the total membrane in many eukaryotic cells?
- A.
  
  >20%
- B.
  
  >30%
- C.
  
  >40%
- D.
  
  >50%
- E.
  
  >60%
22.

Smooth ER and Rough ER are the two distinct regions of endoplasmic reticulum (ER).
- A.
  
  True
- B.
  
  False
23.

What are functions of the Golgi Apparatus?
- A.
  
  Metabolizes carbohydrates
- B.
  
  Stores calcium
- C.
  
  Modifies products of the endoplasmic reticulum (ER)
- D.
  
  Synthesizes the production of proteins
- E.
  
  Manufactures certain macromolecules
- F.
  
  Sorts and packages materials into transport vesicles
24.

The trans face is the "receiving" side of the Golgi apparatus and the cis face is the "shipping" side of the Golgi apparatus.
- A.
  
  True
- B.
  
  False
25.

Sacs of flattened membranous sacs are called ______________?

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