Topic: Plant Transport Subtopic: The importance of phloem and xylem
What are companion cells?
Answer: Companion cells grow on the side of the sieve tubes. These cells are believed to be efficient for the movement of food through the tubes.
- What is quantity of re blood cells in blood?
- What is disadvantage of self-pollination?
- What happens after exchange of substances?
- What is another blood protein found in blood?
- What is semi-permaeable membrane?
- Why is hemophilia dangerous?