D - Allow pH to change drastically.
The reason that we have buffer in our system is to protect AGAINST sudden change of pH
Explanation:
A-Oral Cavity
B-Mouth
C-Pharynx
D-Oesophagus
E-Lever
F-Stomach
G- Gallbladder
H- Doudenum
I- Large Intestine
J- Small intestine
K- Appendix
L- Rectum
M-Anus
The function performed in F is that,it mixes the food thoroughly with more digestive juices.
The function performed in M is that ,it allows the control of stool.
Answer:
Option B
Explanation:
B. The cell will grow uncontrollably and continue to divide as long as it has food.
Cell growth is theeoretically stimulated by the binding of growth factors to their receptors using signaling pathways.
These pathways are regulated by proteins which are encoded for in the genes.
The gene that controls the regulation of these pathway when mutated produce malfunctioning signaling protein thus not allow for regulations of the cell cycle causing uncontrollable cell division. These mutated genes are called oncogenes.
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The primary energy system to fuel cycling for 15 minutes is THE AEROBIC GLYCOLYSIS SYSTEM.
There are different energy systems for fueling different types of physical exercise, the type of system that is used depend on the duration of the physical exercise. The energy system that exist are anaerobic glycolysis, aerobic glycolysis, phosphagem system and fatty acid oxidation. The aerobic glycolysis energy system relies on the complete breakdown of glucose. The pyruvate which is the end product of glucose oxidation is further broken down to acetyl coA, which then enters into the citric acid cycle. The aerobic glycolysis energy system is used for physical exercises that last between three to twenty minutes.
