What I know is that amino acid has side chain, amine groupe ,and groupe of carboxyl so what make them difference is side group where the is 20 different R-group which give each individual characteristics
Answer:
1 , 11 and 111 are correct
You absorb vitamin d from sunlight shining on your skin.
Vitamin d can help the absorption of calcium, which is capable for strengthening your bones and teeth.
Therefore if u r lacking of vitamin d, your bones and teeth may be soft, and especially among children, you may get ricket, where the legs are bent outwards.
Answer:
-provides protection for a cell
-provides a fixed environment inside the cell.
-The cell membrane also provides some structural support for a cell.
Explanation:
Explanation:
1. Earth is 13 million years older than moon... Moon is 4.53 billion years ago and earth is 4.543 billion years ago.
Much younger than earth.
2.moon has small iron core or lacks sizable iron core.
3 galaxies not considered in solar system bcoz
solar system is the part of milky way galaxy..
4. Hydrogen and helium
5. Venus bcoz it is closest to Sun.
