Answer:
hmm, I'm struggling here.
Explanation:
Answer:
The correct option is D.
Reason:
Simple diffusion is the process in which movement of molecules take place from a region of higher concentration to a region of low concentration with out expenditure of energy.
<span>When a cell is "at rest" it is in a state called the resting potential.
In this state, neurons are more negatively charged ions inside the cell than outside the cell.
A resting neuron also known as non-signaling neuron. A neuron is made up cells.There are many types of cells in the body. The approximate value of cells is 37.2 billion in our body.</span>
Kenny's ideas and their acceptance were due to open mindedness. The correct option among all the options that are given in the question is the third option. Elizabeth Kenny was born on 20th of September in the year 1880 and died on 30th of November in the year 1952. She was an unaccredited Australian nurse who treated polio in a different manner.
Answer:
14 CO₂ will be released in the second turn of the cycle
Explanation:
<u>Complete question goes like this</u>, "<em>The CO2 produced in one round of the citric acid cycle does not originate in the acetyl carbons that entered that round. If acetyl-CoA is labeled with 14C at the carbonyl carbon, how many rounds of the cycle are required before 14CO2 is released?</em>"
<u>The answer to this is</u>;
- The labeled Acetyl of Acetyl-CoA becomes the terminal carbon (C4) of succinyl-CoA (which becomes succinate that is a symmetrical four carbon diprotic dicarboxylic acid from alpha-ketoglutarate).
- Succinate converts into fumarate. Fumarate converts into malate, and malate converts into oxaloacetate. Because succinate is symmetrical, the oxaloacetate can have the label at C1 or C4.
- When these condense with acetyl-CoA to begin the second round of the cycle, both of these carbons are discharged as CO2 during the isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase reactions (formation of alpha-ketoglutarate and succinyl-CoA respectively).
Hence, 14 CO₂ will be released in the second turn of the cycle.
