A clade is a group of organisms that includes an ancestor and all of its descendants. Clades are based on cladistics. This is a method of comparing traits in related species to determine ancestor-descendant relationships. Clades are represented by cladograms, like the one in Figure below.
D is false
humans are eukaryotic and we aren't small
Several hours after your last meal, declining blood glucose levels stimulate release of the hormone <u>glucagon</u> , which stimulates glycogenolysis, lipolysis and fat mobilization, and gluconeogenesis.
<h3>How does glucagon stimulate gluconeogenesis?</h3>
The biological process through which glycogen degrades into glucose and glucose-1-phosphate is known as glycogenolysis. Hepatocytes and myocytes both participate in the response. Two important enzymes, glycogen phosphorylase and phosphorylase kinase, control the process.
By increasing the activity of hepatic adipose triglyceride lipase, intrahepatic lipolysis, hepatic acetyl-CoA content, and pyruvate carboxylase flux, as well as increasing mitochondrial fat oxidation, glucagon stimulates hepatic gluconeogenesis. All of these actions are mediated by stimulation of the inositol kinase.
Learn more about glycogenolysis here:
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Answer:
Darwin observed marine fossils in the mountains and the uplift of land by an earthquake which supports Lyell's theory.
Explanation:
- Lyell's theory of an ancient Earth states "the formation of Earth's crust took place through countless small changes occurring over vast periods of time".
- So Darwin had an observation of marine fossils that uplifted the land through many years by earthquake. Which was the same thing Lyell's explained.
- According to known natural laws, It takes lots of time to form the earth's crust.
