Answer:
DNA polymerase
Explanation:
I learned about this before and I believe that this is the answer.
"Movement of water from an area of high concentration to an area of low concentration through a semi-permeable membrane".
Hope this helps!
Answer:
Water
Explanation:
Just took post test for edmentum
They can stretch because there is one fluid present between ligament called synovial fluid!
Answer:
Low pH
Explanation:
The skin has sebaceous glands that secrete sebum. Sebum makes a protective layer over the surface of the skin and imparts it an acidic pH due to the presence of fatty acids in it.
Mostly, the pH level of skin is maintained within the range of 3-5 (acidic) which in turn serves as one of the barriers against pathogen provided by skin. Likewise, sweat glands of skin secrete sweat which also imparts the acidic pH to the skin to prevent any infection.
