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ella [17]
3 years ago
9

I need this today How are the nitrogen atoms from proteins removed from our bodies?

Biology
1 answer:
Lorico [155]3 years ago
3 0

Answer:

As in the liver, the first step is the removal of the nitrogen from the amino acid. However, muscle lacks the enzymes of the urea cycle, so the nitrogen must be released in a form that can be absorbed by the liver and converted into urea.

Explanation:

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Drag the steps into the correct order to show how plants use energy from the sun. Start with the first step on top.
Studentka2010 [4]

Answer:

1. The sun shines on a plant 2.chlorophyll traps energy from the sun 3. the plant makes sugar and oxygen 4.cells use sugar for energy

Explanation:

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3 years ago
Which characteristic help the Grants show the result of natural selection?
Talja [164]
I believe this is the answer you are looking for:

<span>C. The size and shape of their beaks</span>
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Which of the following statements is the most likely explanation for plant withering due to leaky membranes in cold temperatures
podryga [215]

Answer:

C. H+ ions do not accumulate inside the thylakoid, so ATP synthase makes too little ATP.

Explanation:

Plant withering refers to the virtual death of plant cells due to lack of food. During the light-dependent reactions of photosynthesis, ATP needed for the synthesis of sugar (food) is created in the thylakoid membrane of the CHLOROPLAST of plant cells.

In the light-dependent reaction, hydrogen ions (H+) builds up/accumulate in the thylakoid lumen to create an electrochemical or proton gradient i.e. a difference in the concentration of H+ ions across the membrane. The hydrogen ions passes through a protein complex called ATP synthase, which forms ATP from ADP (by adding phosphate group), from the energy generated by the electrochemical gradient formed as a result of hydrogen in (H+) build up.

Hence, a plant that possess leaky membrane due to the cold temperature will likely wither because H+ ions are not able to accumulate inside the thylakoid causing a proton gradient, so ATP synthase makes too little ATP.

4 0
3 years ago
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Sonja [21]

Organisms can be made up of many<em> </em><u>cells</u>, which could be arranged into <u>tissues</u> which can make up<u> organs</u>, organs can be part of a(n)<u> system</u>. These are........i don't really know after this since you didn't give a lot to work with and i'm not even sure if this is right or not lol.

5 0
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Why does the northern hemisphere experience spring in March, while the Southern Hemisphere experiences fall?
Free_Kalibri [48]
Because the earth is in an angle so the northern hemisphere receives more heat and vice versa
7 0
3 years ago
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