The answer is S phase.
If drugs prevent DNA replication which occurs in the S phase. That means that the S phase will be affected by these drugs.
Since the average osmotic pressure of the brain is 300mM and the concentration of the solution is 280mM, that means there is 20mM difference between the brain cells and CSF. This will induce osmosis and cause water to move from the CSF into the brain until the concentration becomes same. Assuming brain volume is 1200ml and the CSF constantly replaced, then the estimation of fluid should be: 20mM/300mM * 1200ml= 80 mlIf it made percent it should be: 80ml / 1200ml= 6.67%
Answer:
B
Explanation:
The Ames test is a bacteriological technique commonly used to determine if a particular chemical or substance can cause mutations. To achieve this, researchers use bacteria (commonly <em>Salmonella typhimurium</em>) as this bacteria strain is unable to grow in a medium that does not contain histidine (a very important amino acid in the biosynthesis of proteins). If the studied substance is able to cause mutations, bacteria will mutate, and they will be able to grow on that particular media even if they don’t have histidine for their metabolism. Therefore, if there are colonies growing, the chemical being tested is mutagenic.
I hope this clarify your inquiry.
It gets absorbed by hair like structures in small intestine which is called villi. They are connected by blood vessels which transport the nutrients around the body.
Explanation:
The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the process of protein biosynthesis. ... The sequence of a protein is unique to that protein, and defines the structure and function of the protein.
