U3L5E Protein Synthesis Wrapup

What is the primary genetic material found in living organisms?

• DNA

• Protein

• RNA

• Carbohydrate

Why is DNA important?

• It provides energy to the cell

• It produces ATP

• It carries all the hereditary information

• It helps in cell division

Where is DNA present in eukaryotic cells?

• Endoplasmic Reticulum

• Mitochondria

• Nucleus

• Cytoplasm

How many pairs of chromosomes do humans have?

• 46

• 23

• 32

• 20

What is the flow of genetic information from DNA to protein called?

• Translation

• Replication

• Translocation

• Transcription

What are the components of a nucleotide in DNA?

• Ribose sugar, Phosphate group, Uracil

• Ribose sugar, Phosphate group, Thymine

• Glucose, Phosphate group, Cytosine

• Deoxyribose sugar, Phosphate group, Nitrogen base

Who won the Nobel prize in Medicine in 1962 for the structure of DNA?

• Rosalind Franklin

• Erwin Chargaff

• Francis Crick

• James Watson

How many hydrogen bonds are there in the G-C base pair?

• Two

• One

• Four

• Three

When does DNA replication occur in eukaryotes?

• During G1 phase

• During S phase

• During G2 phase

• During M phase

What is the enzyme responsible for unwinding the two chains of DNA during replication?

• Primase

• DNA polymerase

• Helicase

• DNA ligase