What is the second main part of cellular respiration?

Answer 1

The second stage of cellular respiration is the Citric acid cycle (or Kreb's cycle or tricarboxylic acid cycle). It occurs in the matrix of mitochondria. This cycle yields electrons which are needed for producing ATP in the later step ETC and oxidative phosphorylation.
The second stage of cellular respiration is can be two things. If there is oxygen present, then cellular respiration is called aerobic respiration. The second stage of aerobic respiration is the Kreb's cycle, in which pyruvate is used to created two molecules of ATP, as well as releasing some carbon dioxide. If there is no oxygen present, then cellular respiration is called anaerobic respiration. The second (and final) stage of anaerobic respiration is fermentation. The two types of fermentation are alcohol fermentation and lactic acid fermentation. They produce alcohol and lactic acid respectively. For example, when you exercise, you may start to feel a burning in your muscles. This is your cells using lactic acid to create ATP for energy, since they aren't receiving enough oxygen to go through aerobic respiration.

Answer 2

The Krebs cycle, it takes the pyruvic acid made in the first process glycolysis to make carbon dioxide and released electrons. It occurs inside the mitochondria matrix.

Answer 3

The second step in aerobic respiration is the citric acid cycle. There are three steps, glycolysis, citric acid cycle, and oxidative phosphorylation.

Answer 4

what is the second main par of cellular espiration

Edited answer:

Kreb's cycle

Answer 5

electron transport chain

Answer 6

The sexond step is the Krebs Cycle