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Alex17521 [72]
3 years ago
13

Define the 3 main mechanisms in a “feedback loop”. (the names and what each does)

Biology
1 answer:
viktelen [127]3 years ago
7 0

Explanation:

A feedback loop involves:

  1. a receptor
  2. control center
  3. an effector

The endocrine system involves chemical signalling via the secretion of molecules called hormones into extracellular fluid. They bind to chemical receptors in order to cause specific changes in target cells, these lead to changes in the body's internal environment called homeostasis. It includes the thyroid, parathyroid, pituitary, pineal and adrenal glands along with other regions. The bone, adipose tissue, heart, pancreas and liver are a few of the regions of the body which show endocrine function. The brain, or control center functions to receive and process the information from the receptor. Effectors receive the control center's command and illicits a response in the form of a feedback loop, that may oppose or enhance the stimulus.

Further Explanation:

During homeostasis the body maintains a constant internal balance in pH, temperature, blood pressure etc. Cells in a multicellular organism become specialized for particular tasks and communicate with one another in order to maintain homeostasis. Within the human body these are known as hormone cascades, where several complex steps occur- the tissues signal to one another with the use of hormones released by the endocrine system. For instance, the regulation (increase and decrease) of these secretions is achieved by negative feedback loops, where the release of certain substances during a cascade in turn halts the secretion of hormones at earlier stages.

Learn more about tissue types at brainly.com/question/8487952

Learn more about homeostasis at brainly.com/question/1601808

#LearnWithBrainly

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vlada-n [284]

Answer:

B Structure :)

Explanation:

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2 years ago
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Can someone pls check my answers?? All 5 questions are attached, I got some right but some wrong
worty [1.4K]

The position of the Earth in the solar system and more regional effects, such as carbon dioxide levels, all play a role in the causes of ice ages. Thus, option A is correct.

<h3>What are factor that involve in ice age on earth?</h3>

When the orbital cycle turns back, these feedbacks—involving the spread of ice and the emission of greenhouse gases—work in reverse to warm the Earth once more.

A prolonged period of cooling of the Earth's surface and atmosphere is known as an ice age, which is marked by the development or presence of polar and continental ice sheets as well as alpine glaciers.

Flooding has increased along the U.S. coastline as a result of the warming, rising, and acidifying of the seas.

Therefore, The Earth is currently facing an ice age.

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brainly.com/question/12916542

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6 0
1 year ago
Products are what is created during a reaction. What are the three products of cellular respiration
Setler79 [48]

Answer:

The three products of cellular respiration are:

  1. ATP
  2. Water
  3. Carbon dioxide

Explanation:

  • Cellular respiration is the process of breaking down glucose molecules to yield energy in the form of ATP.
  • C6H12O6 + 6O2 → 6CO2 + 6H2O

ATP Production:

  • The first step of cellular respiration, glycolysis, yields 2 net ATP.
  • The second step, Kreb's cycle produces 10 NADH and 2 FADH2 molecules. Both these molecules store energy that is released in the electron transport chain to produce 34 ATP.
  • Therefore, a total of 36 ATP are produced as a result of cellular respiration in eukaryotes.

Carbon dioxide Production:

  • 2 molecules of CO2 are produced during the conversion of pyruvate into Acetyl Co-A by the <em>pyruvate dehydrogenase</em> complex.
  • 4 molecules of CO2 are produced in the Kreb's cycle.

Water Production:

  • Water is produced in the Electron Transport Chain (ETC) by the reduction of oxygen.

3 0
3 years ago
the total energy value of a 100g cereal is 2000KJ. the boy requires 5500 KJ of energy per day. How many grams of cereal does he
zvonat [6]

Answer:

He need to eat 275 g

Explanation:

2000 = 100

5500 = 2000÷100= 20 = 5500÷20 = 275

He need to eat 275 g

4 0
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<span>I think the environmental factors are responsible from much of the differences between me and my parents, after all I grew up, in a sense, in a different world. The level of pollutants in the air, the hormones in the food, ,better medical care and even the availability of information regarding health care choices, they are all factors that change from generation to generation and change they way we are and a very real way. It is true that we are the product of our genes but the environment plays a determinant role in our development as well.</span>

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