Molecular Biology Concepts Assessment

The video explores how genetic instructions, or DNA, guide human development after fertilization. It uses the analogy of a cookbook to explain how DNA provides the recipes for proteins, which are essential for various bodily functions. The video covers the structure of DNA, the process of transcription and translation, and the universality of the genetic code across different life forms. It highlights the complexity of genetic coding and the role of proteins in biological hierarchy.

What analogy is used to explain the function of DNA in the body?

• A computer program

• A recipe in a cookbook

• A musical composition

• A building blueprint

What are proteins made of?

• Carbohydrates

• Nucleotides

• Lipids

• Amino acids

What is the shape of the DNA molecule?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

Which base pairs with adenine in DNA?

• Uracil

• Cytosine

• Guanine

• Thymine

What is the process called where DNA is transcribed into RNA?

• Mutation

• Transcription

• Replication

• Translation

What sugar is found in RNA that is not in DNA?

• Ribose

• Deoxyribose

• Glucose

• Fructose

What is the role of ribosomes in protein synthesis?

• They transcribe DNA into RNA

• They replicate DNA

• They assemble amino acids into proteins

• They mutate genes

What is a codon?

• A lipid in the cell membrane

• A sugar molecule in DNA

• A type of protein

• A sequence of three nucleotides in mRNA

Which amino acid is coded by the codon UGG?

• Serine

• Tyrosine

• Tryptophan

• Glycine

What is the significance of the genetic code being universal?

• It changes with environmental conditions

• It is the same across almost all life forms

• It is unique to humans

• It varies between different species