DNA and Genetics Quiz

What does DNA stand for?

• Deoxyribonucleic Acid

• Ribonucleic Acid

• Deoxyribose Acid

• Ribosomal Acid

Which of the following is a key component of DNA?

• Nucleotides

• Proteins

• Lipids

• Carbohydrates

What is the role of enzymes like DNA polymerase?

• To speed up chemical reactions

• To store genetic information

• To transport oxygen

• To provide energy

What is the difference between genotype and phenotype?

• Genotype is the genetic makeup, phenotype is the physical appearance

• Genotype is the physical appearance, phenotype is the genetic makeup

• Both are the same

• Genotype is the environment, phenotype is the behavior

What is Mendelian Inheritance?

• A pattern of inheritance based on Gregor Mendel's principles

• A type of genetic mutation

• A form of DNA replication

• A method of protein synthesis

What are the three main components of a nucleotide in DNA?

• Phosphate group, ribose sugar, nitrogenous base

• Phosphate group, deoxyribose sugar, nitrogenous base

• Phosphate group, glucose, nitrogenous base

• Phosphate group, sucrose, nitrogenous base

What type of bond holds the two strands of DNA together?

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

• Metallic bonds

What is the shape of DNA?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

What is the role of DNA polymerase in DNA replication?

• It breaks down DNA strands

• It adds complementary nucleotides to each original strand

• It removes nucleotides from DNA strands

• It changes the DNA sequence

During transcription, what replaces thymine (T) in RNA?

• Adenine (A)

• Cytosine (C)

• Guanine (G)

• Uracil (U)