Biology Quiz

How does tonicity of a solution affect osmosis?

• It determines the temperature of the solution.

• It affects the direction of water movement across a semipermeable membrane.

• It changes the color of the solution.

• It increases the solute concentration.

What is kinetic energy?

• Energy stored in chemical bonds.

• Energy due to an object's position.

• Energy an object possesses due to its motion.

• Energy released during a chemical reaction.

How is ATP produced aerobically?

• In the cytoplasm without oxygen.

• In the mitochondria with oxygen.

• In the nucleus with oxygen.

• In the ribosome without oxygen.

What is the structure of DNA?

• Single helix composed of one strand of nucleotides.

• Double helix composed of two strands of nucleotides.

• Triple helix composed of three strands of nucleotides.

• Quadruple helix composed of four strands of nucleotides.

Which base pairs with adenine in DNA?

• Guanine

• Cytosine

• Thymine

• Uracil

What is the process of transcription?

• Using mRNA to create a protein.

• Using DNA to create a messenger RNA molecule.

• Using tRNA to create a ribosome.

• Using RNA to create a DNA molecule.