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Microscopy and Digital Image Manipulation Quiz

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Microscopy and Digital Image Manipulation Quiz

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Questions and Answers

What is the main advantage of confocal laser-scanning microscopy (CLSM) compared to standard brightfield microscopy?

Limited spatial resolution

Ability to capture very dynamic cellular processes (correct)

Efficiency in capturing deep into thicker specimens

Higher magnification capabilities

How are images obtained with standard fluorescence microscopy different from those obtained with confocal laser-scanning microscopy (CLSM)?

They have higher spatial resolution in CLSM images.

CLSM captures images at a lower magnification than standard fluorescence microscopy.

CLSM excludes out-of-focus fluorescence from the specimen. (correct)

Standard fluorescence microscopy captures more dynamic processes than CLSM.

How does super-resolution CLSM differ from standard CLSM in terms of spatial resolution?

Both super-resolution and standard CLSM have similar spatial resolutions.

Super-resolution CLSM has spatial resolution about 10 times better than standard CLSM. (correct)

Standard CLSM has better spatial resolution than super-resolution CLSM.

Super-resolution CLSM has spatial resolution about 10 times worse than standard CLSM.

What is the primary limitation of super-resolution CLSM?

Longer specimen scanning time Signup and view all the answers

Why is point laser light potentially harmful in confocal laser-scanning microscopy (CLSM)?

It can photobleach fluorescent molecules and damage live cells due to phototoxicity. Signup and view all the answers

Which step involves the incorporation of vesicle (donor) membrane and lumenal cargo proteins into the acceptor compartment in the endomembrane system trafficking process?

Step 3 Signup and view all the answers

Which transport pathway involves the transportation of materials from the endoplasmic reticulum to Golgi, and then to lysosomes (vacuoles in plants)?

Biosynthetic pathway Signup and view all the answers

What is the last step in the general process of trafficking through the endomembrane system via transport vesicles?

Step 4: Process of budding and fusion repeated Signup and view all the answers

In the exocytosis process, which type of secretion involves the release of materials in a regulated manner in response to specific signals?

Regulated secretion Signup and view all the answers

Which pathway involves the transport of materials from the Golgi or endosomes to the plasma membrane and extracellular space?

Exocytosis Signup and view all the answers