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3 years ago

The production of which substance would most likely indicate anaerobic cellular respiration?

Biology

2 answers:

creativ13 [48]3 years ago

5 0

They use anaerobic cellular respiration to produce NAD+ from NADH.

anzhelika [568]3 years ago

3 0

Answer:

The production of alcohol or lactic acid (depending upon kind of cells) indicate anaerobic cellular respiration.

Explanation:

There are two types of cellular respiration which are aerobic respiration and the another is anaerobic respiration.

Anaerobic respiration takes place without use of oxygen which produces less amount of energy in the body as compared to the aerobic respiration.

The products which are formed as a cause of anaerobic respiration are alcohol or lactic acid (depending upon kind of cells), carbon dioxide and water.

On the other hand, carbon dioxide and water are also the products of aerobic respiration.

So, the production of alcohol or lactic acid (depending upon kind of cells) indicate anaerobic cellular respiration.

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2 Which of the following best describes temperature? A Number of molecules B Motion of molecules C Size of molecules D Type of m

slamgirl [31]

The answer is B. molecules move slow or fast depending on the temperature

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3 years ago

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Explain Mercury is the planet closest to the Sun. Why does it get so cold at night?

alexdok [17]

Answer/Explanation: On Mercury temperatures can get as hot as 430 degrees Celsius during the day and as cold as -180 degrees Celsius at night.

Mercury is the planet in our solar system that sits closest to the sun. The distance between Mercury and the sun ranges from 46 million kilometers to 69.8 million kilometers. The earth sits at a comfy 150 million kilometers. This is one reason why it gets so hot on Mercury during the day.

The other reason is that Mercury has a very thin and unstable atmosphere. At a size about a third of the earth and with a mass (what we on earth see as ‘weight’) that is 0.05 times as much as the earth, Mercury just doesn’t have the gravity to keep gases trapped around it, creating an atmosphere. Due to the high temperature, solar winds, and the low gravity (about a third of earth’s gravity), gases keep escaping the planet, quite literally just blowing away.

Atmospheres can trap heat, that’s why it can still be nice and warm at night here on earth.

Mercury’s atmosphere is too thin, unstable and close to the sun to make any notable difference in the temperature.

Space is cold. Space is very cold. So cold in fact, that it can almost reach absolute zero, the point where molecules stop moving (and they always move). In space, the coldest temperature you can get is 2.7 Kelvin, about -270 degrees Celsius.

Sunlight reflected from other planets and moons, gases that move through space, the very thin atmosphere and the surface of Mercury itself are the main reasons that temperatures on Mercury don’t get lower than about -180 °C at night.

6 0

3 years ago

Function of a tight Junction in animal cell

KonstantinChe [14]

Answer:

A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.

Explanation:

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2 years ago

Who discovered that dna was the genetic material or transforming factor that could convert nonvirulent r-type streptococcus pneu

KatRina [158]

Discovery
In 1928 it was discovered by Frederick Griffith in an experiment generally known as transformation.

Experiment
In his experiment he considered two strains of streptococus pneumonia, one was R-type which was non-virulent and cause no disease in mice, other was virulent and S-type which cause disease and at last death of mice.
This experiment was comprised of four steps which are as follow:

Step 1:
First he injected living strain of S into mice, after sometime mouce died.

Step 2:
He injected living strain of R into mice, the mice alive as he did not got any disease.

Step 3:
He injected heat killed strain of S into mice and mice remain alive.

Step 4:
He mixed living R strain with heat killed S strain and then inject into mice. As a result the mice died.

Conclusion:
It was found that genetic material from heat killed S stain were transferred to living R (non-virulent) strain, as a result R become virulent and cause the death of mice.

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3 years ago

In what era did the plants begin to flourish?

Juliette [100K]

Answer: Paleozoic

Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.

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3 years ago