Microbial Genetics Quiz

What is the main focus of the video presented by Cathy?

• Microbial Genetics

• Cellular Respiration

• Photosynthesis

• Protein Synthesis

Which component is NOT part of a nucleotide?

• Phosphate group

• Amino acid

• Nitrogenous base

• Five-carbon sugar

In RNA, which sugar is present instead of deoxyribose?

• Galactose

• Fructose

• Ribose

• Glucose

What type of bond connects nucleotides in a nucleic acid strand?

• Covalent bond

• Phosphodiester bond

• Hydrogen bond

• Ionic bond

In which direction do the two strands of DNA run?

• Perpendicular

• Parallel

• Anti-parallel

• Random

Which nitrogenous base pairs with adenine in DNA?

• Thymine

• Uracil

• Guanine

• Cytosine

What replaces thymine in RNA?

• Guanine

• Uracil

• Cytosine

• Adenine

What forms the backbone of a DNA strand?

• Nitrogenous bases

• Amino acids

• Sugar and phosphate molecules

• Lipids

Which of the following is a purine?

• Uracil

• Thymine

• Cytosine

• Adenine

What type of bond holds the base pairs together in the DNA double helix?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond