Endosymbiosis is the idea that certain organelles found in eukaryotic cells today, like mitochondria and chloroplasts were originally separate organisms which were absorbed into early eukaryotic cells and had a symbiotic relationship with them. Over time, they evolved along with the cells until they were fully part of the cell and no longer self-sufficient organisms.
The best piece of evidence for this theory is that chloroplasts and mitochondria have their own DNA, which is different than the DNA stored in the nucleus. This makes sense since they would have needed their own genetic material when they were independent organisms. Today, though, much of the genetic code controlling mitochondria and chloroplast production and activity has been incorporated
the higher the SA:V ratio of the cell the quicker the materials can reach the center of the cell
Answer:
Gluconeogenesis is employed when glucose levels are low or exhausted and the body must use other precursors, such as amino acids from protein, lactate, and glycerol for energy. This occurs during starvation
Explanation:
Gluconeogenesis is a continual process in carnivores and ruminant animals, therefore they have little need to store glycogen in their liver cells. Of the amino acids transported to liver from muscle during exercise and starvation, Ala predominates. b-Aminoisobutyrate, generated from pyrimidine degradation, is a (minor) gluconeogenic substrate.
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Answer:
C.
It is able to regulate the flow of the calcium oxide and water into the food to make it warm.
Explanation: