Question

Lactose uptake in e coli is an example of

Answer 1

Lactose uptake in E coli is an example of active transport.

This transport system starts from perisplasmic space and goes on till the cytoplasm of an organism.

Unfavourable free energy changes occur in active transport, in the form of a chemical reaction.

In this way energy ions are collected inside the intracellular compartments.

Answer 2

Lactose uptake in e coli is an example of active transport.

Explanation:  

• Active transport is one in which energy is utilised for the transportation purpose.

• Active transport takes place along the concentration gradient that is the substance is transported from the region of higher concentration to the region of lower concentration.  

• Entry of lactose into the bacterial cell wall takes place by a mechanism known as Lac Operon.  

• This is a program execution in which lactose only enter the cell when the amount of lactose already present in the cell is very little.

Learn more about Lactose

Haworth structure of lactose

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How long lac operon is expressed in presence of lactose?

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