In a cell, small vacuoles that are involved in transporting substances are often called what?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Which describes the changes in the earths motion?

Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases