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Biology
IB

State the source, substrate, products and optimum pH of one amylase, one protease, and one lipase

Amylase (Salivary amylase)
Source: salivary glands in the mouth
Substrate: starch
Products: maltose
Optimum pH: 4.6-5.2

Protease (pepsin)<...

LH
Answered by Louise H. Biology tutor
13551 Views

Explain the need for enzymes in digestion

Mechanical digestion breaks down large food particles into smaller ones, increasing the surface are to volume ratio. However, polymers present in food particles require a very long time to break down a...

LH
Answered by Louise H. Biology tutor
2962 Views

(a) State four functions of proteins, giving a named example of each.

Proteins can function as 

1. Biological Catalysts: enzymes that decrease the activation energy of a reaction and facilitate the progression of chemical reactions

2. Hormones...

TS
Answered by Tatiana S. Biology tutor
16859 Views

How does cell division occur?

Cell division can be divided under three main phases: 

- Interphase: actvie period in life of a cell when metabolic reactions occur, with protein synthesis and DNA replic...

TP
Answered by Thea P. Biology tutor
1747 Views

Outline the process of gene therapy using a named example.

Gene therapy is defined as a set of strategies or procedures that uses Recombinant DNA technology to insert DNA into a patient in order to correct a genetic disease. The result is an altered genotype w...

GT
Answered by Giulia T. Biology tutor
2189 Views

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