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Describe how water moves from the roots to the leaves in a plant

Plants transport water and mineral ions into the roots from the soil via active transport. the xylem is a part of the plant responsible for water movement within the plant. water is moved from the roots to t...
JC
Answered by Jordan C. • Biology tutor
10850 Views

Explain how the human circulatory system is adapted to supply oxygen to the tissues and remove waste products from tissues.

The humans have a double circulatory system that allows blood to be distributed to the body at a higher blood pressure compared to the lungs. The heart is made of specialized cardiac muscle cells that have p...
DP
Answered by Dulan P. • Biology tutor
5452 Views

What is the role of a ribosome in the production of a polypeptide? (3)

Begin with asking the student what their understanding is of DNA's structure and function. I would discuss the background structure to DNA - including the matching of base pairs, and the overall structure, g...
LF
Answered by Laura F. • Biology tutor
19729 Views

What is the difference between mitosis and meiosis?

During my answer to the question I would use the whiteboard to draw out diagrams to explain mitosis and meiosis fully. Mitosis and meiosis are both cell division processes where chromosomes are doubled and c...
KB
Answered by Katharine B. • Biology tutor
4032 Views

How is an action potential generated?

During rest, the outside of the neurone membrane is positively charged (relative to the inside). This is because approximately three sodium ions move out for every two potassium ions moving in through the so...
SI
Answered by Sabina I. • Biology tutor
4209 Views