Front

What is the Biuret test used for?

Back

The Biuret test is used to detect the presence of proteins in a substance. A positive result is indicated by a color change to purple.

Front

What does a purple color indicate in a Biuret test?

Back

A purple color indicates a positive test for proteins.

Front

What is the optimal pH for intestinal protease activity?

Back

The optimal pH for intestinal protease activity is 8.

Front

Which organelles are responsible for energy production in cells?

Back

Mitochondria and chloroplasts are responsible for energy production in cells.

Front

What is the cell theory?

Back

The cell theory states that: 1) Cells are the basic unit of life, 2) All living things are made of one or more cells, 3) All cells come from other living cells.

Front

Which statement is NOT part of the cell theory?

Back

The statement 'All cells have a nucleus' is NOT part of the cell theory.

Front

What is the primary function of carbohydrates?

Back

The primary function of carbohydrates is to provide an easily available energy source for living things.

Front

What are the main types of macromolecules?

Back

The main types of macromolecules are carbohydrates, proteins, lipids, and nucleic acids.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell, as they produce energy in the form of ATP through cellular respiration.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.