Answer:
PCR=Polymerase chain reaction
Explanation:
The answer is C, twisted ladder
Answer:
The white matter fibers are the main component of the brain. Three different types of white matter fiber are :
Commissural fibers:
This fiber is important for the connection of the corresponding left hemisphere and right hemisphere of the brain.
Projection fibers:
These fibers helps in the connection of the brain stem and the spinal cord with the cerebral cortex.
Association fibers:
These fibers are associated with the connection of the brain regions within the same hemisphere of the brain.
Cell membranes are made of phospholipids to keep the cell's water (cytoplasm) in and everything else out. so your answer would be D <span />