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...change their biochemistry in order to adapt to these antibiotics and prevent the antibiotics from damaging the cell. NARRATOR: It's standard evolutionary behaviour. When bacteria reproduce, chance mutations occur. Most will be useless. But sometimes there will be one that will protect the bacterium against a particular antibiotic. While most of the bacteria succumb to the...

...change by looking at real life situations. Section 4 looks at using the derivative of a function to deduce useful facts for sketching its graph. Section 5 covers the second derivative test, used to determine the nature of stationary points and ends by looking at rates of change, including the real-life situation, using differentiation to find acceleration...This free...

...changing magnitude of a variable star over time (one of the approved aided GCSE Astronomy projects). Transcript6569 Enrolling on the course will give you the opportunity to earn an Open University digital badge. Badges are not accredited by The Open University but they’re a great way to demonstrate your interest in the subject and commitment to your career, and to...

...changes the scale of the image from 10 km to 1000 km. Activity 3 Exploring the ISS Timing: Allow approximately 5 minutes Now select the correct option to complete the following statements. There are also numerous apps about the ISS which can be downloaded to your mobile device. For example, there is a free app called ISS HD Live (Figure 5). You can even use this app to...