sathelper's channel
Loading...
170
subscribers
60,983
video views
Uploaded videos
1-10 of 50-
[SAT2 - Biology] Lecture 5: Photosynthesis, Light Reactions, Calvin Cycle
sathelper
1,523 views
Photosynthesis - All organisms need energy. Herbivores get energy from plants. Carnivores get energy from herbivores. The source of energy for all of those levels comes fro...
-
[SAT2 - Biology] Lecture 4: Glycolysis, Fermentation, Aerobic Respiration
sathelper
2,276 views
Glycolysis - the first pathway using glucose to make ATP.
Fermentation -- Regenerates NAD and produces alcohol or lactate to do glycolysis when no oxygen is around
-
[SAT2 - Biology] Lecture 3: Enzymes
sathelper
1,100 views
- Lower the activation energy rate of a reaction. Increase the rate of the reaction
- Do not affect the overall energy change of the reaction. Are not changed or consumed ...
-
[SAT2 - Biology] Lecture 2: Biological Macromolecules
sathelper
2,113 views
Main Biological Macromolecules - Carbohydrates, Lipids, Proteins, Nucleic Acids
-
[SAT2 - Biology] Lecture 1: Elements, Water, Functional Groups
sathelper
1,370 views
- Biological chemistry. Water and its properties
- Solutions in water. Functional groups
-
[AP - Physics ] Lecture 5: Work and Energy
sathelper
635 views
Work is the means by which energy is transferred, and energy is the ability to do work. Work is calculated by the formula W = Fd as long as the force is in the direction of...
-
[AP - Physics ] Lecture 4: Forces
sathelper
694 views
a. Newton's three laws and how forces cause motion.
b. Forces are pushes and pulls that can be represented by vectors.
-
[AP - Physics ] Lecture 3: Two Dimensional Motion
sathelper
560 views
In this chapter, we will consider only two-dimensional motion In one sense, on-dimensional motion can be viewed as two-dimensional motion by a suitable transformation of co...
-
[AP - Physics ] Lecture 2: One Dimensional Motion
sathelper
1,415 views
In this chapter, we shall confine our discussions to motion in one dimension only. In physics, the study of motion is called kinematics.
-
[AP - Physics ] Lecture 1: Vectors
sathelper
2,121 views
a. Review of vectors and scalars.
b. Another way of locating the position of an object in the Cartesian system is with a directed line segment, or vector.
Advertisement
About sathelper's channel
more
less
Play all(50)