DR AMINA TARIQ BIOCHEMISTRY Water & pH. Water is essential for life. It covers 2/3 of the earth's surface and every living thing is dependent upon it.
Ap Bio Ch2 PowerPoint
Water & pH lecture-2. Water Water is essential for life, it covers 2/3 of the earth's surface and every living thing is dependent upon it. The human.
Chemical bonding Combining of elements to form NEW SUBSTANCES 1.
Earth Materials. Objectives Explain the different kinds of bonds and describe their influence on mineral characteristics Define and distinguish between.
Chemical Elements and Water. How do we organize living things? Biosphere Ecosystem Community Population Organism Organ System Organ Tissue Cell Organelle.
Life depends on chemistry Eat food, Breathe in oxygen – chemical reactions allow your body to use these substances.
Symbols. Atomic Number- No. of protons Atomic Mass – No. of protons and neutrons (electron mass negligible) Chemical symbols found on Periodic table.
Chapter 2: Earth Materials. Elements and Compounds Element –Most fundamental substance into which matter can be separated by chemical means Atom –Smallest.
Properties of Water. Water: 2 atoms of hydrogen, one of oxygen Held together by strong, covalent bond - electrons are ‘shared’ Water molecules interact.
Chemistry in Biology. 1. What is Matter? (Reading 2.1) Matter is everything that takes up space and has mass Every matter is made up of atoms of one of.
CHEMISTRY IN LIVING SYSTEMS. All life processes involve living things made of matter All matter is composed of elements The chemical foundation for the.