Transporting substances in a cell. proteins are transported either in or out of the cell.
The defecation reflex involves two postive feedback loops. these loops are the stretch receptors in the rectal walls and the sacral parasympathetic system. Defecation reflex empties the rectum by peristaltic movements push fecal matter from the sigmoid colon into the rectum. Then this distension of the rectal walls stimulates stretch receptors which results in defecation.
Darwin concluded that the sea level was high were it reached the mountain and as times passed sea level lowers down and clams were still on the mountain so when they died they were fossilized in the mountains. Hope this helps
Carbs-Monosaccharide, Lipid-Triglycerides, Protein-Amino Acids, Nucleic Acids-Nucleotides!
Answer:
you wanna know what that is its atoms lots and lots of atoms and if you want to learn about something smaller than an atom learn about quantum physics
Explanation:
