Which molecule is paired with its correct role in protein synthesis?
a. nucleus - forms peptide bonds
b. ribosome - carries dna instructions
c. mrna - joins amino acids
d. trna - transfers amino acids

Which statement is true about cell differentiation? cell differentiation happens in all cells. results in two new identical daughter cells. causes cells to change type and become specialized. occurs during cell division.

What characteristic make legumes a good food source for food insecure populations

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?