Biology Quiz

Each nucleotide in the DNA consists of three key components: a (a)   , a Phosphate Group, and a Sugar Molecule (Deoxyribose). What completes this molecular puzzle?

What part of the DNA strand helps decide if you get your mom's green eyes or your dad's blue ones?

• A magical type of protein

• A special segment of DNA that crafts your unique traits

• A mysterious type of hormone

• A tiny, bustling type of cell

Luna presents a model of a molecule at a science fair. This model represents a structure known as what?

• Protein

• Double helix

• Nucleotide

• RNA

Which secret messenger carries the genetic instructions from the nucleus to the ribosomes?

• DNA

• mRNA (messenger RNA)

• tRNA (transfer RNA)

• rRNA (ribosomal RNA)

What is the process called where a cell's DNA is transformed into mRNA?

• Translation

• Transcription

• Replication

• Mitosis

Which of the following is a type of white blood cell that plays a crucial role in our body's immune responses?

• Neuron

• Leukocyte

• Erythrocyte

• Platelet

What role do hormones play in the body?

• To regulate body temperature

• To transport oxygen

• To fight infections

• To coordinate various body activities

What is the process that allows plant cells to multiply, ensuring the lushness of city park flora?

• Protein synthesis

• Cell cycle

• Mitosis

• Transcription

While observing onion root tip cells under a microscope, David and Hannah saw cells produced by mitosis. What type of cells did they observe?

• Parent cells

• Somatic cells

• Daughter cells

• Stem cells

Can you guess the superpower of antibodies, the immune system warriors?

• To destroy pathogens directly

• To carry oxygen in the blood

• To regulate body temperature

• To recognize and neutralize antigens