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Biochemistry
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Cell Structure and Compartments
Comments
Question
The simplest way to differentiate a prokaryotic cell from a eukaryotic one is to
Options
A. look for a plasma membrane
B. see if a nucleus is present
C. check for the presence of DNA
D. determine if the cell is an entire organism or not
Correct Answer
see if a nucleus is present
Cell Structure and Compartments problems
Search Results
1. Which of the following macromolecules are found in the plasma membrane?
Options
A. Lipids and proteins only
B. Lipids, proteins, and carbohydrates
C. Proteins and carbohydrates only
D. Proteins only
Show Answer
Scratch Pad
Discuss
Correct Answer: Lipids, proteins, and carbohydrates
2. Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization
Options
A. makes each compartment nutritionally independent of all others
B. allows for specialization through the subdivision of particular tasks
C. allows for specialization through merging of different tasks
D. reduces overall cell size
Show Answer
Scratch Pad
Discuss
Correct Answer: allows for specialization through the subdivision of particular tasks
3. Which of the following are responsible causing the diseases?
Options
A. Pathogens
B. T cells
C. Lymphocytes
D. Macrophages
Show Answer
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Discuss
Correct Answer: Pathogens
4. An organism's first line of defense against attack by an invader such as a virus or bacterium is usually
Options
A. to flee or hide
B. its body wall
C. a specific immune response
D. a nonspecific immune response
Show Answer
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Discuss
Correct Answer: its body wall
5. What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?
Options
A. They are components in the reactions of photosynthesis
B. They all participate in the degradation of large amounts of ATP
C. They all participate in the production of large amounts of ATP
D. They are all embedded proteins in plasma membranes
Show Answer
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Discuss
Correct Answer: They all participate in the production of large amounts of ATP
6. A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely
Options
A. the nuclear envelope
B. the plasma membrane
C. the mitochondrion
D. the cytoskeleton
Show Answer
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Discuss
Correct Answer: the nuclear envelope
7. Microtubules, motor proteins, and actin filaments are all part of
Options
A. the mechanism of photosynthesis that occurs in chloroplasts
B. the rough ER (endoplasmic reticulum) in prokaryotic cells
C. the cytoskeleton of eukaryotic cells
D. the process that moves small molecules across cell membranes
Show Answer
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Discuss
Correct Answer: the cytoskeleton of eukaryotic cells
8. Where in a eukaryotic cell, DNA can be found?
Options
A. Nucleus
B. Mitochondrion
C. Vacuole
D. Both (a) and (b)
Show Answer
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Discuss
Correct Answer: Both (a) and (b)
9. Clearly defined nucleus, mitochondria in a large central vacuole and chloroplasts, indicate the group of organisms from
Options
A. bacteria
B. fungi
C. plants
D. animals
Show Answer
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Discuss
Correct Answer: plants
10. Which of the following structures is expected in a bacterium?
Options
A. Nucleus
B. Plasma membrane
C. Golgi apparatus
D. Endoplasmic reticulum
Show Answer
Scratch Pad
Discuss
Correct Answer: Plasma membrane
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More in Biochemistry:
Allosteric Effects
Amino Acid Metabolism
Anti Bodies
Antigen
ATP Synthesis and Fatty Acid Oxidation
Carbohydrate
Cell Signalling and Transduction
Cell Structure and Compartments
Chromatography
Disease Associated with Immune System
DNA Structure and Replication
Enzymes
FT IR Spectroscopy
Gas Chromatography
Gel Electrophoresis
Genetic Code and Regulation
Genetic Regulation Prokaryotes
Glycolysis
HPLC
Immune Response
Immune System
Immunological Techniques
Lipid
Membrane Structure and Functions
Minerals
Nitrogen Metabolism
NMR Spectroscopy
Nucleic Acids
Oxidative Phosphorylation
Photosynthesis and Respiration
Polymerase Chain Reaction
Protein and Nucleic Acid Interactions
Protein Purification
Protein Stability
Protein Structure
Protein Synthesis
Recombinant DNA Technology
RNA Structure
Spectroscopy
Structure and Properties of Amino Acids
Structure and Properties of Peptides
TCA Cycle
Thermodynamics and Free Energy
Transcription and Regulation
UV Luminance Spectroscopy
Vitamins and Coenzymes
Water, pH and Macromolecules