Biology
Which tissue covers the external surfaces of the body?
→ Epithelial
What is the molecular formula of ethanol?
C₂H₅OH
What term describes the energy stored by an object's position?
→ Potential
Which molecule carries oxygen in red blood cells?
Hb
What element is represented by the symbol Fe?
→ Iron
What is the SI unit of electric charge?
→ Coulomb
What is the main structural protein in hair and nails?
→ Keratin
What is the process of heating a substance to produce vapor?
→ Vaporization
What phenomenon causes waves to bend as they pass through an opening?
→ Diffraction
What term describes a plant's response to gravity?
DJ Gravitropism
What is the common name for sodium bicarbonate?
→ BakingSoda
What is the unit of frequency?
→ Hertz
What process involves the uptake of liquid by a cell?
DJ Pinocytosis
What type of reaction releases energy?
→ Exothermic
What device converts mechanical energy into electrical energy?
→ Generator