What is endosperm?
a. the leaves that are a part of the embryo
b. tissue that develops into a protective seed
c. coat surrounding the embryo
d. the female portion of a flowering plant via cotyledons
e. a source of food for the embryo
f. the male portion of a flowering plant

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

Four types of motile cells in human body?

The cluster of developing cells from conception until birth is called an