Snapquiz - Proteins

This is the Snapquiz on Proteins. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. What happens to the long protein molecules after they're formed by a cell?

They curl up into one particular shape for all proteins.
They stretch out throughout the cell.
They flatten out into layers.
They curl up into shapes which are unique to each protein.

Question 2. What is a mutation?

Adaptation by a species to a new habitat.
Random damage or change to a particular gene when copied.
The effects of genetically engineering DNA.
Changes in the structure of an organism due to radiation exposure.

Question 3. Which substances do plants need to absorb dissolved in water from the soil to construct proteins?

Carbonate ions.
Sulphate ions.
Nitrate ions.
Chloride ions.

Question 4. Which part of our cells builds proteins?

The cell membrane.
The nucleus.
The ribosomes.
The cytoplasm.

Question 5. What do plants construct proteins from?

Amino acids.

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