Triple Biology - DNA, respiration, enzymes, food tests.

What type of structure does DNA have?

Explain how DNA is held together.

Why can DNA be described as a polymer?

What are the full names of each of the bases in DNA and which do they pair with?

What is a nucleotide made of?

Explain the difference between chromosomes, genes and DNA.

Where does the synthesizing of proteins happen?

What are proteins made of and what does this therefore make them?

The order of bases in a gene codes for a different order of amino acids in a protein. How many bases in a gene are used to code for one amino acid and what is the official name for it?

Why is mRNA helpful to the cell and what is mRNA?

What is transcription?

What is translation?

What are enzymes and what do they do?

What are the four main parts during an enzyme being used?

Can enzymes only work one way?

When enzymes break substrates into products, what is the process called?

Name an example of carbohydrase and what they break down, and what the products are.

Give an example of a protease, what they break down and what the products are.

Give an example of a lipase, what they break down and what the products are.

Where are carbohydrates, proteins and fats digested?

Why don't minerals, vitamins and water have enzymes that break them down?

What happens to an enzyme when the concentration / pH / temperature gets too high and how does this affect the function of the enzyme?

Join up the chemical with what molecule it tests for:

Ethanol Starch
Iodine Protein
Benedict's Fats
Buiret's Sugars

After respiration, what is energy stored as so it can be used?

What is the difference between aerobic and anaerobic respiration?