4. Quickly sketch an embryo then label and define anterior, dorsal, ventral and posterior. 5. How do embryos use proteins to identify the different sections?

b. to discover aspects of the natural world.

hopefully i .

i got you i did it ya know what it is just needing to fill this in for a quick task!

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide