LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The molecules made by living cells are MAINLY assembled around which element?
A
calcium
B
carbon
C
hydrogen
D
oxygen
Explanation: 

Detailed explanation-1: -A compound found mainly in living things is known as an organic compound. Organic compounds make up the cells and other structures of organisms and carry out life processes. Carbon is the main element in organic compounds, so carbon is essential to life on Earth. Without carbon, life as we know it could not exist.

Detailed explanation-2: -The unique properties of carbon make it a central part of biological molecules. Carbon binds to oxygen, hydrogen, and nitrogen covalently to form the many molecules important for cellular function. Carbon has four electrons in its outermost shell and can form four bonds.

Detailed explanation-3: -A Cell Is Formed from Carbon Compounds If we disregard water, nearly all the molecules in a cell are based on carbon.

There is 1 question to complete.