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Biological Molecules and Cellular Processes Quiz

#1

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

Carbohydrates
Explanation

Carbohydrates serve as the primary source of energy for cellular processes.

#2

What is the role of ribosomes in cells?

Protein synthesis
Explanation

Ribosomes are responsible for protein synthesis in cells.

#3

What is the main function of mitochondria in a cell?

Cellular respiration
Explanation

The main function of mitochondria in a cell is cellular respiration.

#4

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

ATP
Explanation

ATP serves as the universal energy currency of the cell.

#5

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

Cholesterol
Explanation

Cholesterol is a key structural component of cell membranes.

#6

What is the function of DNA in cells?

Genetic information storage
Explanation

DNA functions as the storage unit for genetic information within cells.

#7

Which cellular process is responsible for the production of ATP?

Cellular respiration
Explanation

Cellular respiration is the process responsible for the production of ATP in cells.

#8

Which of the following is a polysaccharide?

Starch
Explanation

Starch is a polysaccharide.

#9

In which organelle does photosynthesis occur?

Chloroplast
Explanation

Photosynthesis occurs in the chloroplast.

#10

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

Glycine
Explanation

Glycine is often referred to as the 'building block of life.'

#11

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

Movement
Explanation

The primary function of cilia and flagella in cells is movement.

#12

What is the main function of enzymes in biological systems?

Catalyze chemical reactions
Explanation

Enzymes play a key role in biological systems by catalyzing chemical reactions.

#13

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

Phospholipids
Explanation

Phospholipids are a major component of the cell membrane.

#14

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

Modifying and packaging proteins
Explanation

The Golgi apparatus primarily functions in modifying and packaging proteins.

#15

Which nucleic acid is involved in protein synthesis?

mRNA
Explanation

mRNA (messenger RNA) is involved in protein synthesis.

#16

Which of the following is NOT a type of RNA?

DNA
Explanation

DNA is not a type of RNA.

#17

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

Lipid synthesis and detoxification
Explanation

The endoplasmic reticulum functions in lipid synthesis and detoxification.

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