Biology review

Front

Which is NOT a kingdom of organisms on earth?

Back

Mammal is not a kingdom; it is a class within the animal kingdom.

Front

Which biomolecule is used for storing genetic information?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries genetic instructions.

Front

Which structure is present in ALL cell types?

Back

The cell membrane is present in all cell types, providing structure and regulating what enters and exits the cell.

Front

A protein's order of amino acids is called its _______ structure.

Back

Primary structure refers to the linear sequence of amino acids in a protein.

Front

Which organelle makes ATP from sugar?

Back

Mitochondrion is the organelle responsible for producing ATP through cellular respiration.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis by translating messenger RNA (mRNA) into polypeptides.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts are organelles that conduct photosynthesis, converting light energy into chemical energy.

Front

Define homeostasis in biological systems.

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.

Front

What is the basic unit of life?

Back

The cell is the basic unit of life, serving as the smallest structural and functional unit of an organism.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both.