Answer:
- Oxygen
- The body cells
- Producing energy
Explanation:
We breathe in oxygen from the external environment. Oxygen passes into our lungs and is passed into the blood capilaries. Here it is carried to all the cells throughout the body.
It diffuses into the cells and is necessary for the final stages of energy production by aerobic respiration. Therefore, it is necessary for powering all cellular processes.
Answer:
Total 40 sister chromatids
Explanation:
A cell cycle comprises of various phases that includes G1 phase, S phase, G2 phase, Mitosis and cytokinesis.
- During G1 phase the cell grow in size and almost all of the content of cell is duplicated except the DNA. The cell contains chromosome with a single copy of DNA.
- During S phase the the the DNA is duplicated and each cell have chromosome with two sister chromatids.
- G2 phase came after the DNA duplication and recheck the DNA duplication for errors.
As G2 phase occur after DNA duplication so each chromosome in this phase contains two sister chromatids that's why the corn plant with 20 chromosomes would contain 40 sister chromatids in G2 phase.
The answer would be genes.
<span>cycle in which plants turn gas in air into oxygen</span>
Answer: runoff is like when rain and water drains away
Explanation: