When an organism is exposed to a limited quantity of oxygen, the cell's mitochondria will stop cellular respiration involving the Krebs cycle and enter the process of fermentation to survive, it means <span>Fermentation must create a net gain of ATP.</span>
Is a. Sea star
It’s an organism that has an incomplete digestive system
A gene mutation may result in an oncogene. So during that cell's replication the gate keeper genes will no longer be able to suppress it. This results in a mutated daughter cell. If there is a subsequent mutation an a daughter cell, a tumor will be produced.
Gene mutation can also cause mosaicism and result in different phenotypes
Answer:
Explanation: Protein digestion occurs in the stomach and the duodenum through the action of three main enzymes: pepsin, secreted by the stomach, and trypsin and chymotrypsin, secreted by the pancreas. During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase.
<span>The food web shows a controlled ecosystem. The relationship between the fox and the rabbit is a Predatory (predator/prey) relationship. If the number of frogs in the ecosystem decreased because of human activity, then there’s a possibility that rabbits could be overhunted .</span>