Cry proteins are a group of useful/toxic...

Cry proteins are a group of useful/toxic proteins.

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**Step-by-Step Solution:** 1. **Understanding Cry Proteins**: Cry proteins, also known as crystal proteins, are produced by certain bacteria. The most notable of these bacteria is *Bacillus thuringiensis*. 2. **Source of Cry Proteins**: *Bacillus thuringiensis* is a soil-dwelling bacterium that produces these proteins as part of its life cycle. 3. **Nature of Cry Proteins**: Cry proteins are classified as toxic proteins. They are specifically toxic to certain insects. ...

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$ In conjugated proteins, the protein molecule is joined to a non proteins group called prosthetic group. ! Nucleproteins are a type of conjugated proteins.

If both As and R are correct and R is correct explanation of As

If both As and R are correct but R is not correct explanation of As

If As is correct, R is wrong

If both As and R are wrong.

Proteins are used as

enzymes

antivirus vaccines

food

all of these

Assertion : 'Cry' proteins are named so because they are crystal proteins Reason : 'Cry' proteins are solubilised is acidic environment of insect midgut and then release toxic core fragments after proteolytic action.

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If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false