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dmitriy555 [2]
3 years ago
7

If there is a disease that has to do with oxygen/carbon dioxide exchange, where is the issue?

Biology
1 answer:
andrew-mc [135]3 years ago
4 0
Alveoli is where gas exchange occurs, so I’m guessing that’s the answer
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In fruit flies, a dominant gene, G, codes for the trait of gray body color. A recessive gene, g. codes for black body color. Two
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Correct answer - The offspring can only express the trait of gray body color.

Why? - As we set the punnet square. We get the results, (2)GG and (2)Gg. GG = Gray and Gg = Gray.
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Which fact supports the following conclusion?
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20) Mark is looking out the window on the commuter
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Answer: A. motion parallax

Explanation:

In the phenomenon of motion parallax, objects that are moving at certain speeds across a particular field of vision, would also appear to move at greater speeds if they’re closer to the observer. This remains true even if the object instead of the person is moving

. The phenomenon always arises whether or not the object is moving or that the observer is moving in a manner that is relative to the object’s motion. This is because of the distance the object moves in comparison to the proportion of the observers’ field of view that it traverses. Thus, motion parallax generally describes one’s perception of the position of an object with a three-dimensional space, based on sensing said objects at different positions.

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3 years ago
If star A is farther from Earth than star B, but both stars have the same absolute magnitude, what is true about their apparent
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<span>If star A is farther from Earth than star B, but both stars have the same absolute magnitude, the option which is true about their apparent magnitude is that star B has the greater apparent magnitude.
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3 years ago
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Which of the following best describes the main purpose of the combined processes of glycolysis and cellular respiration?1 breaki
max2010maxim [7]

Answer:

4. transforming the energy in glucose and related molecules in a chemical form that cells can use for work

Explanation:

Glycolysis breaks down glucose into two molecules of pyruvate which is transformed into acetyl CoA to enter the Kreb's cycle. Kreb's cycle breakdown the acetyl CoA into CO2 and H2O. The energy stored in the glucose molecule is released during glycolysis and Kreb's cycle. The released energy is stored in the form of NADH and FADH2 as well as in few molecules of ATP.

The NADH and FADH2 enter the final step of cellular respiration, the oxidative phosphorylation. Here, NADH and FADH2 are oxidized with the help of electron transport chain (ETC). During the transfer of electrons through ETC, the proton motive force is generated which then helps in ATP synthesis.

Hence, the three steps of cellular respiration (glycolysis + Kreb's cycle + oxidative phosphorylation) retrieve the energy from nutrients such as glucose and store it in the form of ATP. ATP is used by cells as an energy source for various other functions.  

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3 years ago
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