Answer:
The three basic units of DNA are phosphate, deoxyribose and nitrogen base.
nitrogen base (adenine, thymine, cytosine and guanine)
Fructose-1, 6-bisphosphatase is activated in response to a glucagon signal.
<h3>What is the purpose of Glucagon signals?</h3>
- Glucagon signals specify that fuel molecules are required in the bloodstream.
- So these signals activate Fructose-1, 6-bisphosphatase (F1, 6BP) so as to increase the level of sugar and other fuels required for production of energy.
- In the process of gluconeogenesis, new glucose molecules are synthesized from other non carbohydrate sources.
- As glucose is required in the bloodstream so F-1, 6BP should be activated as it acts as a rate limiting enzyme in gluconeogenesis.
- Gluconeogenesis occurs when the dietary intake of glucose is very low.
- Glucose is required as a source of energy by almost all body cells so in case of less oxygen it is synthesized from other molecules like amino acids.
Learn more about gluconeogenesis here:
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<span>b. Growth of a tumor
</span><span>The phenomenon of contact inhibition occurs when normal cells doesn's stop dividing when in collision with another cell which triggers cancerous cells.</span>
The correct answer would be phenotypic variation.
Im sory i cant help
none of the answers r there
