EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This is the first step of cellular respiration
A
Glycolysis
B
Lactic Acid Fermentation
C
Alcoholic Fermentation
D
Aerobic Respiration
Explanation: 

Detailed explanation-1: -Glycolysis is the first step in cellular respiration that occurs in the cytoplasm within the mitochondria. Glycolysis is the process in which glucose six-carbon sugar molecule is broken down into 3C molecules to generate cellular energy.

Detailed explanation-2: -There are three main steps of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation. Glycolysis takes place in the cytosol, the citric acid cycle occurs in the mitochondrial matrix, and oxidative phosphorylation occurs on the inner mitochondrial membrane.

Detailed explanation-3: -Glycolysis is the first pathway in cellular respiration. Glycolysis is a 10-step process, but it begins with one molecule of glucose, a 6-carbon molecule and results in two 3-carbon pyruvate molecules. The conversion creates energy in the form of ATP, or adenosine triphosphate.

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