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2 years ago

-NEED HELP ASAP-

Biology

2 answers:

Drupady [299]2 years ago

7 0

From different wavelengths we can create a electromagnetic spectrum .
From spectral lines of that electromagnetic spectrum astronomers can determine the element in the farther universe (star).
They can also determine the temperature and density of that element in the star.
The spectral lines in the electromagnetic spectrum tell us about any magnetic field of the star.

A useful formula of wavelength:

$\\ \sf\longmapsto \lambda=\dfrac{c}{v}$

c is the speed of light
v is the frequency

Alisiya [41]2 years ago

3 0

Electromagnetic waves have many different wavelengths and frequencies that span a range known as the electromagnetic spectrum Light of different wavelengths produces different perceptions of color. The longest wavelengths produce the perception of red, while the shortest ones produce the perception of violet.

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2 years ago

An organism is discovered that thrives both in the presence and absence of oxygen in the air. Curiously, the consumption of suga

Vinvika [58]

A facultative anaerobe.

Explanation:

Anaerobes are organisms which can produce energy via the process of fermentation in the absence of oxygen. The anaerobes can be classified as facultative anaerobes and obligate anaerobes.

Facultative anaerobes are those which can carry out respiration in presence of oxygen but can choose to follow the fermentation pathway if oxygen is absent. Fermentation also uses glucose.

Aerobic respiration produces 32 molecules of ATP from one molecules of glucose while fermentation produces only 2 molecules of ATP . Thus when the organism switches to fermentation pathway it utilizes more and more glucose to reach its energy demands.

Considering all the above points we can conclude that observations indicate that the organism is a facultative anaerobe.

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3 years ago

WHO IS RESPONIBLE FOR THE REACTIONS OF CELLULAR RESPIRATION

tatyana61 [14]

Answer:

Mitocondria is responsible for the reactions in cellular respiration.

Explanation:

Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients. Mitochondria are also responsible for generating clusters of iron and sulfur, which are important cofactors of many enzymes.

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3 years ago

How do the primary productivities of land and ocean ecosystems compare

Sunny_sXe [5.5K]

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2 years ago

a man has just learned that he has a blockage in one of his arteries. which of the statements is true regarding this blockage? p

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This blockage will likely increase the resistance to flow in his circulatory system, and as a result will decrease the rate of blood flow.

Blood vessels in the circulatory system transport blood away from and towards the heart. Arteries transport blood away from the heart, while veins transport blood back to the heart. The circulatory system transports oxygen, nutrients, and hormones to cells while also removing waste products such as carbon dioxide.

Vascular disease (vasculopathy) affects the blood vessels that transport oxygen and nutrients throughout your body and remove waste. Plaque (made of fat and cholesterol) slows or blocks blood flow inside your arteries or veins, causing common vascular problems. When there is too much cholesterol in the blood, the cholesterol and other substances can combine to form deposits (plaques) on the artery walls. Plaques can cause an artery to narrow or become blocked.

To learn more about circulatory system, here

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