During which step of aerobic respiration is oxygen used?

A) Glycolysis
B) Conversion of pyruvate to acetyl CoA
C) Fermentation
D) Krebs cycle
E) Electron transport chain (ETC)


E

Biology & Microbiology

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Yeast are true eukaryotes with a nucleus, mitochondria, and other membrane bound organelles including flagella.

Answer the following statement true (T) or false (F)

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The saliva component that begins the breakdown of carbohydrates is ____

a. mucin b. salivary amylase c. water d. pepsin e. bicarbonate

Biology & Microbiology

Humans are responsible for more than 75 percent of all present-day extinctions since A.D. 1600

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following does a bacterium NOT contain?

a. RNA b. cytoplasm c. ribosomes d. mitochondria

Biology & Microbiology