You have to put a lid on petri dishes in order to ensure that no outside contaminants get inside the dish.
C) in warm shallow seas
this couldve been found on google
1. Embryology
2. Comparative Anatomy
3. Molecular Biology
4. Developmental Biology
IM 90% sure that these are the right answers
Explanation:
protein is the element responsible for building up of cells and the nucleic acid is embedded in the cell, so protein builds the whole cell including the nucleic acids.. the nucleic acid is also packed by histones which is a proteinous structure. both are important because, in the cell all organelles require protein for their growth and likewise the encoding of the genetic information carrier