Answer:
The two main types of nucleic acids are DNA and RNA. Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell 's activities, while RNA converts that code into proteins to carry out cellular functions.
Explanation:
Answer:
3rd to 8th week of pregnancy.
Explanation:
The fetus is more prone during the 3rd to 8th week of pregnancy. The earlier the teratogen is exposed to fetus, the severe the effect is likely to be caused.
Answer:
they are more likely to be anxious, withdrawn and unhappy
I would have to say b) a description or d) a statement hope that this helps if not message me