2a.2- Video (Biology)

What are the three components of a nucleotide?

• Phosphate, base, and protein

• Sugar, phosphate, and base

• Sugar, phosphate, and lipid

• Base, lipid, and sugar

Which sugar is found in DNA?

• Fructose

• Deoxyribose

• Glucose

• Ribose

In the DNA double helix, which base pairs with adenine?

• Uracil

• Thymine

• Guanine

• Cytosine

What is the term used to describe the opposite directionality of the two DNA strands?

• Perpendicular

• Convergent

• Anti-parallel

• Parallel

Which type of RNA is responsible for carrying genetic instructions from the nucleus?

• sRNA

• mRNA

• tRNA

• rRNA