Answer:
Proteins and lipids are the major components of the cell membrane.
Explanation:
Depending on the membrane’s location and role in the body, lipids can make up anywhere from 20 to 80 percent of the membrane, with the remainder being proteins. While lipids help to give membranes their flexibility, proteins monitor and maintain the cell's chemical climate and assist in the transfer of molecules across the membrane.
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
possably A????
Answer:
They tend to move away from any stimulus be it light or mechanical.
Explanation:
The earthworm, upon encountering a stimulus that is mechanical in nature will turn its anterior end slightly away from the stimulus. Persistence of the stimulus may cause the worm to contract the longitudinal muscles of the opposite side to move the body around taking a new direction. And they also have the behaviour of tending to move away from any light stimulus.
Answer:
I and IV
Explanation:
The skeletal system works as a support structure for our body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and tissues and stores calcium and minerals.
Answer:
Robert Koch
Explanation: He created tests that helped confirm that bacteria and other microorganisms cause a variety of diseases in human beings