I believe the answer is the primitive organic molecules were formed in an oxidizing atmosphere in the primordial soup.
Respiratory system= breathing system
To keep our Respiratory system healthy we should:
1- never breathe in front of polluted areas
2- never pollute our areas
3- try to make our environment normal
Answer:
Animal cells
Explanation:
The cytoskeleton is not present in plant cells
<h2>Answer:</h2>
C: Lactic acid fermentation
<h2>Explanation:</h2>
Cellular respiration without oxygen is called anaerobic respiration. ETS (or electron transport chain) reactions happen as the last step of aerobic cellular respiration, therefore it is incorrect.
Lactic acid fermentation is a metabolic process by which glucose and other six-carbon sugars are converted into cellular energy and the metabolite lactate, which is lactic acid in solution. It is an anaerobic fermentation reaction.
