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maksim [4K]
3 years ago
10

The number of hydrogen atoms in a molecule of 6NH3 is _____. 6 3 9 18

Biology
2 answers:
zhuklara [117]3 years ago
6 0
3, Vote brainliest plz

nataly862011 [7]3 years ago
6 0
The answer is 3 because it says H3 meaning there are 3 hydrogen’s.
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The mechanism by which the end product of a metabolic pathway inhibits an earlier step in the pathway is most precisely describe
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Answer:

The mecanism is termed as feedback inhibition.

Explanation:

In an enzyme catalyzed sequential reaction the end product of that reaction inhibits the activity of the activity of the enzyme catalyzing the ist step This type of  regulation is called Feed back regulation or feedback inhibition.

               The main function of human body is to maintain the homeostasis of the all the components it contains.When the end product of an ongoing enzyme catalzsed sequential reaction is produced in a high lebel at that time to maintain its own homeostatis that end product inhibits the functioning of the enzyme catalzsing the ist step of that biochemical reaction.

For Example Cytidine tri phosphate inhibits the activity of aspartate transcarbamoylase catalyzing the de novo biosynthesis pathway of pyrimidine metabolism.

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Answer:

Nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli.

Explanation:

The air travels through the respiratory system during inhalation in the next order:

  1. <em><u>Nasal cavity:</u></em> You inhale air into your nose.
  2. <u><em>Larynx:</em></u> The air travels down to this organ, a hollow, tubular structure that plays a key role in phonation, respiration, and deglutition.
  3. <u><em>Trachea:</em></u> (Or <em>windpipe</em>) is a wide, hollow and cartilaginous tube that connects the larynx to the bronchi.
  4. <em><u>Bronchi:</u></em> The trachea divides into two primary bronchi; they are the main passageway into the lungs.
  5. <em><u>Bronchioles: </u></em>The bronchi develop smaller the closer they get to the lung tissue and are then consider bronchioles.
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Why is so little of Earths surface found far above sea levels​
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Hello! :)

The eroded material finds its way to the bottom of oceans because of gravity (from... According to the hypsometric curve (plot between elevation and % of earth's surface), only about 29% of Earth's surface is above the mean sea level, rest 71% has an elevation less than mean sea level.

Hope this helped and I hope I answered in time!

~ Destiny ^_^

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Research will be done over the Circulatory System also known as the Cardiovascular System.
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Explanation:

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