Which cellular structure produces proteins using coded instructions from DNA? a) nucleus
b) chloroplast
c) mitochondrion
d)ribosome

Actual age your first developed of age well comparison age refers to absolute age true or false

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which are reasons cells undergo cell division?