Biology 2

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What do we mean by a Balanced diet?
A BALANCED DIET contains the correct amounts of all the nutrients needed for healthy functioning of the body.
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Give 3 reasons to explain why a person may be Malnourished.
They make take in too much ENERGY, they may of have too little FOOD, particular NUTRIENTS many be missing from their diets.
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Give 3 factors that affect how much energy a person needs.
The SIZE of the person, GENDER of the person and the amount of EXERCISE they do.
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What is meant by Metabolic rate and what factors affect the rate?
METABOLIC RATE is a measure in how quickly the chemical reactions in cells release energy from foods. Exercise/proportion of fat to muscle/INHERITED factors affect the rate.
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What is an antibiotic?
An ANTIBIOTIC is a drug that KILLS BACTERIA.
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Why is it difficult to produce medicines to destroy viruses?
VIRUSES reproduce inside body cells. The drugs would also DAMAGE the cells or tissues.
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What is meant by a Mutation of a pathogen?
A MUTATION is a change in a GENE.
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Other cards in this set

Card 2

Front

Give 3 reasons to explain why a person may be Malnourished.

Back

They make take in too much ENERGY, they may of have too little FOOD, particular NUTRIENTS many be missing from their diets.

Card 3

Front

Give 3 factors that affect how much energy a person needs.

Back

Preview of the front of card 3

Card 4

Front

What is meant by Metabolic rate and what factors affect the rate?

Back

Preview of the front of card 4

Card 5

Front

What is an antibiotic?

Back

Preview of the front of card 5
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