D. vacuole
Vacuoles are the largest organelles, especially in plant cells
Answer:
A function of both of their outer coverings is to reduce water loss. (B)The outer coverings of the tulip and crocodile both protect the organism.
Answer:
The organism that can live deep beneath the earth surface despite intense pressure heat lack of water and sunlight might be Nematodes.
Explanation:
- Nematodes are able to cope extreme heat or extreme cold and dehydration. They have adopted by learning technique that allows them to survive. They can transform into a hardy form called the dauer stage.
- They can survive harsh conditions for longer durations at this stage. And again awaken themselves when conditions are favourable again.
- They can be found in hot springs, deserts, high up mountains and in the deepest oceans.
Answer: .OH, O2-, H2O2
Explanation:
Reactive oxygen species (ROS) are chemically reactive and unstable species containing oxygen. ROS are formed when oxygen is partially reduced, thus they are all radicals with very high reactivity, attacking membrane proteins such as ion channels etc
Examples include peroxides (H2O2), superoxide (O2-), hydroxyl radical (.OH)