Semen is alkaline because it contains basic amines like spermine, putrescine and cadaverine. It is as such because it counteracts the acidic environment of the vaginal canal to protect the sperm from denaturation. Fructose level is important because it provides energy to the sperm.
Answer:
i think its carbon dioxide.but not sure
Explanation:
remembering from like 3 months ago
Answer:
Exterior of the cell
Explanation:
Pancreas is a gland found behind the stomach and it secretes digestive enzymes into the duodenum.
Digestive enzymes are proteins hence leucine will form part of the enzymes.
Digestion of food takes approximately three hours. Therefore, if labelled Leucine is chased down with non radioactive leucine.
Black spots will appear on the exterior of the cells because digestive enzymes are extracellular enzymes .
Options not given but
Clouds at medium altitudes are made of ice crystals.
As the mid-level clouds form ice crystals when the temperature is cold.
hope it helps
