Biotechnology

BIOTECHNOLOGY

GRADE 11

SUCCESS CRITERIA

Explain the use of lactase to produce lactose-free milk

 

Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein

 

Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products

​ACTIVITY

to create a ‘mind map.’ in relation to what you already know ob biotechnology

Subject | Subject

Some text here about the topic of discussion

Fill in the Blanks

: ‘Washing powders contain...

Fill in the Blanks

what are the advantages of using bio-fuel?

Fill in the Blanks

------- is pectinase, which -------

​Production of lactose-free milk

•Lactose is a type of sugar found in milk and diary products .

•Many people lose the ability to produce lactase as they get older and suffer from lactose intolerance, a digestive problem where the body does not produce enough of the enzyme lactase. Symptoms include nausea, flatulence and diarrhea as their digestive system is upset by the lactose.

•

•Milk can be made lactose free by adding the enzyme lactase to it and leaving it to stand for a while to allow the enzyme to break down the lactose.

Subject | Subject

Some text here about the topic of discussion

the process

​

​Some text here about the topic of discussion.

​lactose free milk

activity

produce a model of a fermenter using a used toilet roll and various items of rubbish, which you then label.

In the model, ensure that you illustrate how the conditions in the fermenter are controlled, limited to: temperature, pH, oxygen, nutrient supply and waste products, in order to maximise the production of substances such as insulin, penicillin and mycoprotein.

Subject | Subject

Some text here about the topic of discussion