1. Which of the following statements is not true regarding mutations? A. Mutations are always harmful.
B. Mutations may be helpful.
C. Mutations generate the raw material for natural selection.
D. Mutations create variety in the gene pool.

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because