Biological Molecules and Cellular Processes Quiz

Test your knowledge of biochemistry with questions on biomolecules, cellular functions, and organelles. Dive into DNA, ATP, enzymes, and more.

#1

Which biomolecule is the primary source of energy for cellular processes?

Proteins
Carbohydrates
Lipids
Nucleic Acids
#2

What is the role of ribosomes in cells?

Energy production
Protein synthesis
DNA replication
Cell structure
#3

What is the main function of mitochondria in a cell?

Photosynthesis
Protein synthesis
Cellular respiration
DNA replication
#4

Which molecule serves as the universal energy currency of the cell?

ATP
ADP
GTP
CTP
#5

Which of the following is a key structural component of cell membranes?

Cholesterol
Cellulose
Glycogen
Starch
#6

What is the function of DNA in cells?

Energy storage
Protein synthesis
Cell structure
Genetic information storage
#7

Which cellular process is responsible for the production of ATP?

Photosynthesis
Cellular respiration
DNA replication
Mitosis
#8

Which of the following is a polysaccharide?

Glucose
Fructose
Starch
Sucrose
#9

In which organelle does photosynthesis occur?

Mitochondria
Nucleus
Chloroplast
Endoplasmic reticulum
#10

Which amino acid is often called the 'building block of life'?

Glycine
Proline
Alanine
Lysine
#11

What is the primary function of cilia and flagella in cells?

Cellular communication
Movement
Energy production
Protein synthesis
#12

What is the main function of enzymes in biological systems?

Energy production
Cell structure
Catalyze chemical reactions
Genetic information storage
#13

Which of the following is a component of the cell membrane?

RNA
Cellulose
Phospholipids
Starch
#14

What is the primary function of the Golgi apparatus in cells?

Protein synthesis
Energy production
Cellular respiration
Modifying and packaging proteins
#15

Which nucleic acid is involved in protein synthesis?

DNA
RNA
mRNA
tRNA
#16

Which of the following is NOT a type of RNA?

mRNA
rRNA
tRNA
DNA
#17

What is the function of the endoplasmic reticulum in a cell?

Protein synthesis
Energy production
Cellular respiration
Lipid synthesis and detoxification

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