Biology
What is the smallest unit of life
Cell
What Planet is closest to the sun?
Mercury
What is the symbol for sodium on the periodic table?
Na
What is the main difference between plant and animal cells?
Plant cells have a cell wall and chloroplasts.
What is ATP and what is its role in cells?
Adenosine triphosphate, used for energy transfer.
What is the process by which plants make food?
Photosynthesis
What causes night and day on earth?
Rotation of the Earth on its axis
What is the symbol of lead on the periodic table?
pb
What is the purpose of a control group in an experiment?
To isolate and test the effect of independent variables.
What are enzymes and what do they do?
Proteins that catalyze biochemical reactions.
What is the type of cell division that results in two identical daughter cells?
Mitosis
What are the three main layers of the earth?
Core, mantle and crust
What is the pH scale used to measure?
Acidity and Alkalinity
What is a homologous structure in biology?
Structures that have similar anatomy but different functions.
What is the difference between DNA and RNA?
RNA contains uracil instead of thymine
What are the four main types of Biomolecules?
Carbohydrates, Proteins, lipids and nucleic acids
What causes the seasons on Earth?
Tilt of Earth's axis
What are the three states of matter?
Solid, liquid and gas
What is a Punnett square used for in genetics?
To predict the probability of genotype and phenotype outcomes.
What is the name of the process of protein synthesis?
Translation
What is the central dogma of molecular biology?
DNA is transcribed into RNA which is translated into protein
Plate tectonics
What is the difference between a chemical and physical change?
Chemical change alters the chemical composition, physical does not.
What is the purpose of using litmus paper in a lab experiment?
To test if a solution is acidic or basic.
What are the four major classes of biomolecules?
Carbohydrates, lipids, proteins, and nucleic acids.