I would say B, <span>differ greatly between single solar systems. As we all know, I believe this is the only planet with life, but there might be many out there, too. Each planet should have very different characteristics unlike ours. So it may vary.</span>
It has a job similar to a police officer who allows select people to enter and leave a crime scene.
Explanation:
The primary purpose of the cell membrane is to preserve the cell from its surroundings. The cell membrane manages the movement of materials in and out of cells and organelles. In this form, it is selectively perforable to ions and organic molecules. It is the same as of police officer or security guard that check the people and allow only a few to enter a specific place.
Answer:
Lipolysis
Gluconeogenesis
Ketogenesis
Explanation:
The physiological responses to starvation follows the below steps;
- Change of carbohydrate metabolism to fat metabolism
- Glycogen stores are depleted
- Increase in gluconeogenesis occurs in 1 to 2 days of starvation
- Ketogenesis takes over due to decreased insulin levels
- Increased starvation from this step leads to protein catabolism and then organ failures
Nucleic Acid is the only macromolecule that is composed of CHNOP (Carbon, Hydrogen, Nitrogen, Oxygen, and Phosphorus). Examples of Nucleic Acids are DNA and RNA which contain genetic information.