Basics
Enzymes
A substance that helps a chemical reaction to occur is called a catalyst, and the molecules that catalyze…
July 12, 2021 · Rajil TLLatest articles
Basics
Free and Activation Energy
After learning that chemical reactions release energy when energy-storing bonds are broken, an important next question is the…
July 12, 2021 · Rajil TL
Basics
Potential and Kinetic Energy
When an object is in motion, there is energy associated with that object. Think of a wrecking ball.…
July 12, 2021 · Rajil TLBasics
Energy & Thermodynamics
Energy Thermodynamics refers to the study of energy and energy transfer involving physical matter. The matter relevant to…
July 12, 2021 · Rajil TLBasics
Metabolic Pathways
Consider the metabolism of sugar. This is a classic example of one of the many cellular processes that…
July 12, 2021 · Rajil TLBasics
How Cells Obtain Energy?
Figure 4.1 A hummingbird needs energy to maintain prolonged flight. The bird obtains its energy from taking in…
July 12, 2021 · Rajil TLBasics
Exocytosis
In contrast to these methods of moving material into a cell is the process of exocytosis. Exocytosisis the…
July 12, 2021 · Rajil TL
Basics
Endocytosis
Endocytosis is a type of active transport that moves particles, such as large molecules, parts of cells, and…
July 12, 2021 · Rajil TLBasics
Electrochemical Gradient
We have discussed simple concentration gradients—differential concentrations of a substance across a space or a membrane—but in living…
July 12, 2021 · Rajil TLBasics
Active Transport
Active transport mechanisms require the use of the cell’s energy, usually in the form of adenosine triphosphate (ATP).…
July 12, 2021 · Rajil TL