[100 ! ]
1. write “protein” in a sentence.

2. write “enzyme” in a sentence.

3. write “cell theory” in a sentence.

4. write “organelles” in a sentence.

5. write “nucleus” in a sentence.

Answers:-
Protein: Protein is composed of amino acids.
OR
Amino acids are the building block of proteins.

Enzyme: Enzymes are protein molecules.
There are five types of enzymes.

Cell Theory: Cell Theory states that cell is the building block of every living body.
Cell Theory consists/comprises of three basic(fundamental) principles.

Organelles: Organelle is a subunit of cell.
A cell constitutes of many organelles.

Nucleus: Nucleus is the control center of a cell.
Nucleus is an example of an
organelle.