Answer:
Explanation:
Considering the atmosphere of the primitive earth to have contained water vapor, carbon dioxide, carbon monoxide, methane, and ammonia and/or nitrogen, then in the presence of an energy source, such as sunlight or lightning, a number of small molecules like hydrogen cyanide, HCN, are formed.
Answer:
There's longitudinal,circular and obligue (diagonal)
Explanation:
These muscles allow the stomach to churn the food during digestion.
Answer:
when a person has aids they usually start coughing up blood
Explanation:
Glycolysis is the metabolism of glucose into pyruvate and ATP. It occurs in all organisms and its steps are independent of molecular oxygen.
Therefore, all of the statements apply except "happens only in animal cells"
