These channels act as the circulation or transportation system to move various materials around the cell.
O endoplasmic reticulum
O chloroplast
O DNA
O mitochondria

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes