6 Questions
What are the four elements common to all living organisms?
O, C, H, N
What is the atomic mass of an element?
Mean of mass number because isotopes occur
Why do atoms in a cell not collide with each other?
Because their electrons are negatively charged and repel each other
What is the result of a dehydration synthesis reaction?
The formation of H2O
What is the periodic table organized by?
Atomic number
What are the four major classes of biological macromolecules?
Carbohydrates, lipids, proteins, nucleic acids
Learn about the four essential elements in living organisms, including oxygen, carbon, hydrogen, and nitrogen. Understand their percentages in humans compared to the non-living world. Discover how elements react similarly in both living and non-living things.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
