Question 1

What is the primary function of ribosomes in a cell?

Accepted Answer

Protein synthesis

Answer

DNA replication

Answer

RNA degradation

Answer

Energy production

Question 2

Which process involves the conversion of mRNA into a protein?

Accepted Answer

Translation

Answer

Splicing

Answer

Transcription

Answer

Replication

Question 3

What role do enzymes play in biochemical reactions?

Accepted Answer

Catalysts that speed up reactions

Answer

They are the end products

Answer

They act as substrates

Answer

They provide energy

Question 4

What is the structure that carries genetic information in cells?

Accepted Answer

DNA

Answer

Lipids

Answer

Protein

Answer

RNA

Question 5

What process is used to produce RNA from a DNA template?

Accepted Answer

Transcription

Answer

Replication

Answer

Translation

Answer

Translocation

Question 6

What is the function of tRNA in protein synthesis?

Accepted Answer

Bringing amino acids to the ribosome

Answer

Forming the ribosomal structure

Answer

Synthesizing mRNA

Answer

Breaking down proteins

Question 7

What is the role of the mitochondria in a cell?

Accepted Answer

Energy production through ATP synthesis

Answer

Protein synthesis

Answer

DNA replication

Answer

Photosynthesis

Question 8

Which type of mutation results in a change in a single nucleotide?

Accepted Answer

Point mutation

Answer

Deletion mutation

Answer

Insertion mutation

Answer

Frameshift mutation

Question 9

What is the function of the Golgi apparatus in a cell?

Accepted Answer

Modifying, sorting, and packaging proteins

Answer

Transporting molecules across the membrane

Answer

Synthesizing DNA

Answer

Generating ATP

Question 10

Which molecule acts as the primary energy currency of the cell?

Accepted Answer

ATP

Answer

RNA

Answer

NADH

Answer

DNA

Question 11

What is the role of mRNA in protein synthesis?

Accepted Answer

It serves as a template for the synthesis of proteins

Answer

It forms the structure of ribosomes

Answer

It catalyzes chemical reactions in the cell

Answer

It carries amino acids to ribosomes

Question 12

Which enzyme is responsible for unwinding the DNA double helix during replication?

Accepted Answer

Helicase

Answer

Primase

Answer

Ligase

Answer

Polymerase

Question 13

What is the primary function of ribosomes in a cell?

Accepted Answer

To synthesize proteins

Answer

To store genetic information

Answer

To produce ATP

Answer

To replicate DNA

Question 14

What process is described by the conversion of DNA into RNA?

Accepted Answer

Transcription

Answer

Transduction

Answer

Replication

Answer

Translation

Question 15

What is the function of the enzyme DNA polymerase during DNA replication?

Accepted Answer

To synthesize new DNA strands

Answer

To unwind the DNA helix

Answer

To repair damaged DNA

Answer

To join Okazaki fragments

Question 16

Which of the following base pairs is not found in RNA?

Accepted Answer

Thymine

Answer

Cytosine

Answer

Guanine

Answer

Adenine

Question 17

Which of the following structures is responsible for the synthesis of ATP in cells?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Lysosome

Question 18

What type of bond forms between amino acids during protein synthesis?

Accepted Answer

Peptide bond

Answer

Disulfide bond

Answer

Ionic bond

Answer

Hydrogen bond

Question 19

In which cellular organelle does the process of photosynthesis occur?

Accepted Answer

Chloroplast

Answer

Golgi apparatus

Answer

Mitochondria

Answer

Endoplasmic reticulum

Question 20

What is the function of the lac operon in bacteria?

Accepted Answer

To regulate lactose metabolism

Answer

To facilitate cell division

Answer

To synthesize amino acids

Answer

To promote DNA replication

Related quizzes

Related quizzes