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2 years ago

If a person uses up his or her reserve supply of glycogen and still does not eat, sugar comes from the?

Biology

1 answer:

Anvisha [2.4K]2 years ago

6 0

If a person uses up his or her reserve supply of glycogen and still does not eat, sugar comes from the muscle.

Although only liver glycogen directly contributes to the release of glucose into circulation, maintaining a healthy blood glucose concentration is one of the glycogen's key functions. Since skeletal muscles lack glucose 6-phosphatase, they are unable to release glucose, and muscle glycogen primarily serves as a local energy source for activity rather than a source of fuel to keep blood glucose levels stable while fasting.

In fact, the breakdown of muscle glycogen into lactate allows for its delivery to the liver, where it participates in the maintenance of euglycemia through the process of gluconeogenesis (Cori cycle).

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Which of the following is not true concerning rainforests? a. Twenty-five percent of western pharmaceuticals are derived from ra

KATRIN_1 [288]

The correct answer fro above statement is:

<h3> c. Half of all rainforest plants have been tested for their medicinal properties.</h3><h3>Explanation:</h3>

Twenty-five percent of the fresh components in cancer medications are particularly rainforest plants.Rainforests are essential because they serve control global climate trims and rain. Water that disappears from trees comes in other regions as rain.Twenty-five percent of Western pharmaceuticals are obtained from rainforest components. But since only a minute portion of rainforest organisms have been investigated, as the rainforest species escape so do possible remedies and therapies for life-threatening disorders.

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3 years ago

Plants make energy. Some of it they use to perform the necessary functions of living. What do they do with any excess energy?

NNADVOKAT [17]

Answer:

A) They release the excess energy as heat.

Explanation:

when plants absorb more energy than they use it can damage critical protein. to prevent this plants turn the excess energy into heat and send it back out.

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3 years ago

On ten acres of native forest there are eight white-tailed deer, seven coyotes, 45 armadillos, and 231 loblolly pine trees. Whic

Natasha2012 [34]

loblolly pine trees

Explanation:

Population density refers to the amount of organisms living in a particular area:

Population density = $\frac{number of organisms}{Area}$

Area of the forest = 10acres

Population densities of:

White-tailed deer = $\frac{8 white tailed deer}{10acres}$

= 0.8white tailed deer/acres

Coyotes = $\frac{7 coyotes}{10acres}$ = 0.7coyotes/acres

Armadillos = $\frac{45 armadillos}{10acres}$ = 4.5armadillos/acres

loblolly pine = $\frac{231loblolly pine trees}{10acres}$ = 23.1loblolly pine trees/acre

The population with the highest density is that of the loblolly pine trees with 23.1 of the trees in an acre.

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3 years ago

Under what environmental conditions would a zygote not undergo meiosis

sashaice [31]

A zygote will not undergo meiosis in an environmental state that is not favorable for the zygote’s survival i.e. the chance of the zygote to survive is not certain. Take for example, chlamydomonas will form a zygote under normal asexual mitotic reproduction in a favorable environmental condition. However, under unfavorable environmental conditions the organism also reproduce sexually to form a zygote but will never proceed to meiotic division because of the unfavorable environmental state.

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3 years ago

The hormone calcitonin is released from the thyroid gland in response to increased levels of calcium ions in the blood. If this

svlad2 [7]

The hormone calcitonin is controlled by a negative feedback mechanism because it's release leads to the decrease of calcium blood levels.

<h3>What is negative feedback mechanism?</h3>

A negative feedback mechanism is the defined as a type of regulatory mechanism in the body where by the increased output of a system leads to a decrease of another system.

Therefore, the release of the hormone calcitonin (increased level of calcitonin in the blood) will lead to decrease in blood levels of calcium.

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1 year ago