The statement 'glycolysis is the first step in Cellular Respiration and does not require oxygen' is correct. Cellular respiration has three steps.
<h3>Cellular respiration</h3>
Cellular respiration refers to the metabolic series of reactions by which aerobic cells can produce energy in the form of ATP by using the chemical energy stored in the foods.
Cellular respiration has three main stages: glycolysis, the Krebs cycle, and oxidative phosphorylation.
Glycolysis is an anaerobic process that occurs in the cytoplasm, whereas the Krebs cycle and oxidative phosphorylation occur in the mitochondria.
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The typhoid fever caused by the bacteria called <span>Salmonella paratyphi which leads to a less severe illness. </span>
Glucose to ATP is the answer.
The statement, which best describes the evidence that Group 3’s data are less valid than the data for the other two groups is this: GROUP 3’S pH VALUE FOR VINEGAR IS MUCH HIGHER THAN THE VALUES OF THE OTHER TWO GROUPS.
An experimental result is said to be valid, if it gives the true values of the parameters it has measure. Looking at the experimental results given in the question above, one will notice that, the pH value obtained by group 3 for vinegar is quite different from that of the other two groups. In addition, the value is wrong, this is because, vinegar is acidic in nature. The result obtained by group 3 indicates that vinegar is basic, which is wrong. This shows that the results obtained by group 3 is less valid than that of the other two groups.