18 Questions
Which of the following is a characteristic of both microfilaments and microtubules?
They are involved in cellular movement
Which type of transport is an example of secondary active transport?
The movement of glucose into cells by the Na+/glucose symporter
What is the main function of the Golgi apparatus in the process of protein synthesis?
To modify and package proteins for export
During which process do electrons travel downhill in a sequence?
Aerobic respiration
What is the direction of movement of molecular motors along microfilaments?
In both the -ve and +ve direction
What is the sequence of structures that a protein will pass through if it is being modified and packaged for export out of the cell?
Rough ER; vesicle; Golgi apparatus; vesicle
What is a characteristic of eukaryotic cells that is not found in prokaryotic cells?
Internal membrane-bound compartments
Which of the following is true for both mitochondria and chloroplasts?
They contain internal membranes
Where are carbohydrates typically found on the plasma membrane?
Extracellular surface
What can be inferred about a cell that has a large amount of rough ER, Golgi complexes, and vesicles?
The cell is synthesizing and modifying proteins for export
Which of the following is a function of carbohydrates on the plasma membrane?
Cell adhesion and recognition
What is a characteristic of prokaryotic cells that is not found in eukaryotic cells?
Lack of internal membrane-bound compartments
What is the correct order of events in signal transduction?
Signal travels to target cell, signal causes conformational change in receptor, signal is transduced within the cell
What is the net result of 10 turns of the citric acid cycle in terms of NADH production?
20 molecules of NADH
What is the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?
C18H36O18
What type of energy transformation occurs when an herbivore breaks down sugars from a plant?
Chemical → kinetic → heat
What is the role of ADP in allosteric regulation of enzymes involved in aerobic glucose oxidation?
Activates enzyme activity
What is the ultimate source of energy for an herbivore that builds a nest using energy from broken-down sugars?
Light energy from the sun
Test your knowledge of cell biology with these questions about microfilaments, microtubules, and active transport. Learn about the structures and functions of these cellular components and how they relate to cellular movement and transport.
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