Answer:
plant leaves contain openings called stomata, which allow the diffusion of gas exchange
<h2>
Hey There!</h2><h2>
_____________________________________</h2><h2>
Answer:</h2>
1- Fire uses the energy, The heat is required, it is the part of the chemical reaction. Heat reacts with the fuel and oxygen to ignite it.
2- Bacteria as the decomposers gets rid of the wastes. It breaks down the organic material such as the remains of dead organisms.
3- Fire grows and develops, The fire has different stages. If its not controlled in its initial stages it could grow and develop into really big destruction.
4- Bacteria can sense and respond to stimuli. There is phototactic and chemotactic movement found in bacteria.
5- Bacteria has ways to protect itself from har.sh environment. They can form colony and work together against the changes, also they can form the hard cyst to protect themselves from the unfavorable conditions.
6- Bacteria reproduces, It has different ways of reproduction i.e. Trans.duction, Transf.ormation, conju.gation.
7- Wrist.watch have a def.ined boun.dary as it is not a living thing it can't gr.ow, it does not have 8 chara.cteristics of li.fe.
8- Wrist.watch has internal organization which help them to carry out basic functions
9- Algae are made of more than one cells
<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />
The activity of some enzymes requires vitamins. This is because vitamin derivatives contribute to the biochemical mechanisms of these enzymes. These vitamin derivatives belong to a class of molecules known as cofactors, which are organic molecules (called coenzymes) or metallic ions, that assist in the catalytic activity of an enzyme.
Chromosomes are found in the nucleus of body cells. These chromosomes are made of protein and deoxyribose, which is a five-carbon sugar. Some of these chromosomes can be found in the mitochondria of a cell also. Hope this helps!
