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Serhud [2]
3 years ago
9

Reproduction which fuses the cells and DNA of two parent organisms is called.....

Biology
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

If fertilization is an answer, I believe it is that :)

Explanation:

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If the release of thyroid hormone (TH) was regulated by a long-loop negative feedback, where would you find the cells that are i
pav-90 [236]

Answer:

Hypothalamus and anterior pituitary gland.

Explanation:

Lower levels of T3 and T4 in the blood or lower metabolic rate serve as signal and stimulate the release of thyrotropin-releasing hormone (TRH) from the hypothalamus. The TRH stimulates the anterior pituitary gland to release thyroid-stimulating hormone (TSH) which in turn makes the thyroid gland to release the thyroid hormones.

The elevated levels of thyroid hormones inhibit the release of TRH from the hypothalamus and that of TSH from the anterior pituitary gland.

Hence, the cells of hypothalamus and anterior pituitary gland would be inhibited by the binding of thyroid hormone to regulate the release of these hormones by a negative feedback mechanism.

8 0
3 years ago
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What is the term used to describe the minimum level of stimulus required to activate a neuron?
Vaselesa [24]
B. The Threshold describes the minimum level of stimulus required to ctive a neuron. Hope that helps
6 0
3 years ago
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What kind of mutations were more beneficial ? Why ?
Alex
A mutation is a permanent change in the DNA sequence of a gene. This can be beneficial if the change gives a new function to or improves the function of that gene. 

<span>The above is a definition. But one must really define "beneficial". Some regard it as beneficial if it helps the specific individual who has it. Others would think it beneficial if it produced some survival advantage that insured more descendents for that individual. </span>

<span>It is the difference between a mutation that allowed for greater athletic ability, but a decreased desire for offspring, versus a more moderate athletic enhancement, but a greater desire for offspring. </span>

<span>The small percentage of ways to improve an organism, versus the near infinite ways of harming the organism, mean that most mutations are not going to be beneficial. At best, they will be "inconsequential" - such as a new shade of eye color, or a mole on a section of your skin. </span>

The populist notion of "powers" that can come from mutations is wildly inaccurate. Even assuming a minor power like the ability to see infra red radiation would take thousands upon thousands of mutations over vast amounts of time. A mutation for blindness is far more likely.

<span>It should also be noted that the traditional model of evolutionary theory no longer applies to man. We don't allow changes in our environment, and without such changes, there is no need for one trait more than another to predominate. After all, it is irrelevent that a mutation might allow for greater speed in running, when everyone drives a car.</span>
4 0
3 years ago
What information did gregor mendel know before he started his experiments?
mario62 [17]

Answer:

Mendel was a mathematician and a physicist. He was tutored by Christian Doppler known for his work "Doppler effect of wave frequency".

Mendel learned botany under Franz Unger.

Both knowledge of science and math helped him notice some patterns, traits and qualities in the gardens he had.

With that idea, he was able to see the chances or portability of developing such traits and how to prove it.

7 0
3 years ago
This is the cultivation of animals, plants, fungi, and other life forms for food, fiber, biofuel, drugs and other products used
blondinia [14]

Agriculture

Explanation:

Agriculture can be defined as the cultivation of animals, plants, fungi, and other life forms for food, fiber, biofuel, drugs and other products used to sustain and enhance human life.

  • The etymology of the word can be traced to Latin; Ager-field, cultura-growing.
  • Agriculture provides food that is used to sustain life on earth.
  • It involves solely the cultivation of plants and organisms for nourishment.
  • Some industries thrives on agricultural products and are referred to as Agro-allied industries.
  • It is an art and science of cultivating livestock and plants for use.

Learn more:

Human impact on rainforest brainly.com/question/3995505

#learnwithBrainly

3 0
3 years ago
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