Chapter 4: Energy & Enzymes
o Biology is governed by Laws of Thermodynamics
o Enzymes are vital for metabolic reactions to occur in the cell.
o Enzyme activity is affected by physical conditions.
What Makes the fire fly glow? ENERGY!
Growing, rebuilding, repairing, reproducing and reacting to the
external environment; Requires energy.
Covalent Bonds hold molecules together, and the chemical bonds
contain energy associated with the force that holds two atoms
There is evidence that life could have originated from the simple
chemicals that make up biological macromolecules
All living organisms share a number of basic characteristics we consider
to be attributes.
Life is emergent- if the right things a
Cell Division Unit QuizAttempt 1 of 2Started: 09/17/2016 8:06 AM EDTSubmitted: 09/17/2016 8:18 AM
EDTScore:93%Points:140 out of 150Question 1Points:10 out of 10During which stage of the cell cycle are
cell organelles (like mitochondria, lysosomes, ribosom
1. All organisms are composed of one or more cells
2. All cells share common structures, but there are differences between cells of different types
3. All organisms share: Cell membrane, Cytoplasm, Ribosomes, DNA
Robert Hooke (Father of Microscopy)
Available now.Due 02/13/2017 11:59 PM CST
Attempt 2 of 2
Started:02/13/2017 11:36 PM CST
Submitted:02/13/2017 11:58 PM CST
Points:90 out of 100
Points: 10 out of 10
The energy of movement is known as: