Chemistry
Biology
Famous Scientists
100
According to Bronsted-Lowry's theory, how can acids be defined?
Proton donors
100
Which type of mutation does not change the amino acid sequence?
Silent Mutation
100
This physicist formulated the laws of motion.
Isaac Newton
200
Which type of bond has the greatest electronegativity difference?
Ionic Bonding
200
What are the tiny air sacs in the lungs that provide a large surface area for gas exchange called?
Alveoli
200
This scientist is famous for proposing evolution by natural selection.
Charles Darwin
300
How many electrons can the f orbital hold?
14 electrons
300
Which enzyme unwinds the DNA double helix during replication?
Helicase
300
Russian chemist known for creating the periodic table of elements
Dmitri Mendeleev
400
Between HF, HCl, and HBr, which molecule has the highest boiling point? And why?
HF, because of hydrogen bonding
400
What are the two divisions of the autonomic nervous system (ANS)?
Parasympathetic and sympathetic nervous system
400
Which scientist is the element with atomic number 99 named after?
Albert Einstein
500
What are the bond angles for the sulphate ion SO₄²⁻?
109.5 degrees (tetrahedral shape)
500
The natural pacemaker of the heart, located in the right atrium and responsible for initiating the heartbeat, is called what?
The SA Node
500
This scientist discovered radium and polonium and died due to radiation exposure from their work
Marie Curie