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aev [14]
2 years ago
5

In the human respiratory system, gas exchange occurs across the cells of the ________.

Biology
1 answer:
pashok25 [27]2 years ago
7 0
In the human respiratory system, gas exchange occurs across the cells of the alveoli. Alveoli or an alveolus is the deepest part of the human respiratory system. This part of the respiratory system is a place where gas exchange between oxygen and carbon dioxide occurs from inhaled air to the blood cells<span>.</span>
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How are these two process linked by ATP and NADH?
denpristay [2]

Answer/Explanation:

The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis.  the energy storage molecule ATP and the reduced electron carrier NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle.

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High heat or vaporization
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1. What is meant by the term semiconservative replication? How does a leading strand differ from a lagging strand? List the ways
Reil [10]

Answer:

Explanation:

Semiconservative replication is one of the type of replication methods proposed to take place in the cell and has also been confirmed to be the type that actually takes place in the cell. Semiconservative replication involves the production of two copies (of which one is the parental strand which acts as template and the other is the newly synthesized strand) of the original DNA molecule. A leading strand is the newly synthesized strange running in the 5' to 3' direction, the template strand runs from the 3' to 5' direction while the lagging strand is the newly fragmentally synthesized strand oriented in such a way that its production runs in the 5' to 3' direction for each okazaki fragment. Its template strand runs in the 5' to 3' direction.

The cell copes with errors in replication either by performing the 3' to 5' exonuclease proofreading during replication or by utilizing the cell's DNA repair system.

8 0
2 years ago
Sulfurous emissions emitted in __________ are carried by prevailing winds and cause acid rain in ________.
tamaranim1 [39]
Sulfurous emissions emitted in the atmosphere are carried by prevailing winds and cause acid rain in the Earth.
Sulfurous and nitric emissions in the atmosphere (mainly from the burning of fossil fuels, and partially from natural events), are transported by the winds and air currents, and they can travel for hundreds, or even thousands of kilometers, and they combine with the water, oxygen, and other particles, thus creating an acid rain.
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3 years ago
Find the heights of the first three blades of grass by clicking the tip of each blade. Measure the heights to the nearest tenth
Eduardwww [97]

Answer:

5.2

Explanation:

that is the only number, therefore  it it the average height of the grass

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