Question

select the correct answer from each drop - down menu. is a process thats absent in cellular respiration in anaerobic organisms but present in aerobic organisms. is a process that doesnt require oxygen. the calvin cycle glycolysis the krebs cycle

Explanation:

1. The Krebs cycle occurs in the mitochondria of aerobic organisms and is absent in anaerobic cellular respiration. Anaerobic organisms rely on fermentation - like processes instead.
2. Glycolysis is the first step of cellular respiration and can occur in the absence of oxygen. It takes place in the cytoplasm and breaks down glucose into pyruvate, producing a small amount of ATP and NADH. The Calvin cycle is part of photosynthesis, not cellular respiration.

Answer:

First drop - down: The Krebs cycle
Second drop - down: Glycolysis