Dorsal means back as in the back area. Example~ Many dolphins have a pronounced beak and all have a central dorsal fin and sharp teeth for feeding, mainly on squid and fish.
Its .. Nervous tissues i think i still remember cause i had this question on an exam and i got it right lol ..
- But hoped i helped you out any .. if anymore help is need just ask me then .
Answer:
T
C
G
A
T
A
Explanation:
Thymine pairs with Adenine.
Guanine pairs with Cytosine.
