Mutations. Definition. A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
Where organisms are better adapted to their environments tend to survive and produce more kids!
22. C
23. C
24. A
25. B
26. D
27. C
28. C
Im going to say that its <span>d. The head of the phospholipid, which is hydrophilic, helps to control the movement of large hydrophobic molecules, and the tails of the phospholipid, which are hydrophobic, help to control the movement of large hydrophilic moleculeus. </span>
Its False because the main source of carbohydrates is bread and rice so the answer is b.False :))
i hope this be helpful
