Case study of Rebecca Lancefield

This lesson explores the life and work of revolutionary microbiologist Rebecca Lancefield and how she dedicated her 60-year scientific career to understanding Streptococcus, and other bacteria, which paved the way for modern antibiotics.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What type of substance are enzymes?

1/7

Q2.Which of the following features of the small intestine increase the surface area to ensure maximum absorption of food molecules? Choose 3 answers.

Select three (3) boxes

2/7

Q3.What is the enzyme that breaks down starch?

3/7

Q4.In the following hypothesis, what is the independent variable? "The surface area of the small intestine affects the rate of diffusion of food into the bloodstream."

4/7

Q5.In the following hypothesis, what is the dependent variable? "The surface area of the small intestine affects the rate of diffusion of food into the bloodstream."

5/7

Q6.What word dsecribes an enzyme that is no longer able to carry out its function?

6/7

Q7.How does temperature affect enzyme activity?

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What type of substance are enzymes?

1/7

Q2.Which of the following features of the small intestine increase the surface area to ensure maximum absorption of food molecules? Choose 3 answers.

Select three (3) boxes

2/7

Q3.What is the enzyme that breaks down starch?

3/7

Q4.In the following hypothesis, what is the independent variable? "The surface area of the small intestine affects the rate of diffusion of food into the bloodstream."

4/7

Q5.In the following hypothesis, what is the dependent variable? "The surface area of the small intestine affects the rate of diffusion of food into the bloodstream."

5/7

Q6.What word dsecribes an enzyme that is no longer able to carry out its function?

6/7

Q7.How does temperature affect enzyme activity?

7/7

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Case study of Rebecca Lancefield

This quiz will assess your understanding of Rebecca Lancefield's work in microbiology.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.In which field of study did Rebecca Lancefield discover her findings of streptococcal bacteria?

1/5

Q2.One of Rebecca Lancefield's greatest accomplishments was the Lancefield groupings, what did this classify?

2/5

Q3.When Rebecca first applied for her Ph.D. at Colombia University, she was rejected. What was the reasoning?

3/5

Q4.Rebecca discovered that streptococcal bacteria could also cause other diseases, which diseases did this include? (Choose three answers)

Select three (3) boxes

4/5

Q5.Rebecca Lancefield's discoveries went on to help other doctors and scientists. Which TWO discoveries are associated with Lancefield's findings? (Choose two answers)

Select two (2) boxes

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Case study of Rebecca Lancefield

This quiz will assess your understanding of Rebecca Lancefield's work in microbiology.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.In which field of study did Rebecca Lancefield discover her findings of streptococcal bacteria?

1/5

Q2.One of Rebecca Lancefield's greatest accomplishments was the Lancefield groupings, what did this classify?

2/5

Q3.When Rebecca first applied for her Ph.D. at Colombia University, she was rejected. What was the reasoning?

3/5

Q4.Rebecca discovered that streptococcal bacteria could also cause other diseases, which diseases did this include? (Choose three answers)

Select three (3) boxes

4/5

Q5.Rebecca Lancefield's discoveries went on to help other doctors and scientists. Which TWO discoveries are associated with Lancefield's findings? (Choose two answers)

Select two (2) boxes

5/5

Lesson summary: Case study of Rebecca Lancefield

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