Answer: C
Explanation:
Viruses don't have cell walls that can be attacked by antibiotics; instead they are surrounded by a protective protein coat. Unlike bacteria, which attack your body's cells from the outside, viruses actually move into, live in and make copies of themselves in your body's cells
Answer is 2 NADH and 2 ATP
Answer:
For movement of molecules it's depends on nature of surface let's say ileum also concentration gradient is active and passive transportation
Answer: The endocrine system is made up of glands that make hormones, Hormones are the body's chemical messengers. They carry information and instructions from one set of cells to the other.
Explanation: