What Glowing Fish and Your Dress Shirt Have in Common

What Glowing Fish and Your Dress Shirt Have in Common

Assessment

Interactive Video

Science, Biology, Physics, Chemistry

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the concept of fluorescence, focusing on fluorophores and their ability to absorb and emit light at different wavelengths. It discusses the discovery and mechanism of green fluorescent proteins (GFPs) and their applications in biology, medicine, and forensics. The video also covers the use of fluorescein in medical diagnostics and crime scene investigations, as well as the role of daylight fluorescent pigments and optical brighteners in enhancing visibility and appearance.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between objects that produce light and those that reflect it?

Light-producing objects are visible in the dark, while reflecting objects are not.

Light-producing objects are always natural, while reflecting objects are man-made.

Light-producing objects reflect all wavelengths, while reflecting objects absorb all wavelengths.

Light-producing objects use energy to create light, while reflecting objects only absorb and reflect certain wavelengths.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the key discovery about the jellyfish that led to the understanding of GFPs?

The jellyfish could change colors based on its environment.

The jellyfish glowed green due to a chemical reaction.

The jellyfish had a unique protein that emitted blue light.

The jellyfish produced red light naturally.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do GFP molecules convert absorbed light into a different color?

By absorbing ultraviolet light and emitting infrared light.

By absorbing green light and emitting blue light.

By absorbing red light and emitting yellow light.

By absorbing blue light and emitting green light due to energy loss.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was a significant application of GFPs in the 1990s?

Developing new types of fluorescent lamps.

Producing fluorescent paints for art.

Creating glow-in-the-dark clothing.

Genetically modifying bacteria to glow under UV light.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using different colored GFPs in scientific studies?

To enhance the brightness of LED lights.

To improve the efficiency of solar panels.

To tag and trace different cells in organisms.

To create colorful art pieces.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is fluorescein used in medical procedures?

To detect blood vessels in the retina.

To measure blood pressure.

To enhance MRI scans.

To treat skin conditions.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In forensics, how does fluorescein help in crime scene investigations?

By identifying fingerprints.

By detecting blood traces.

By analyzing DNA samples.

By measuring the temperature of the scene.

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