In the nuclei of the cells.
Every cell in an embryo has instruction on how to build the organism. The instructions are encoded in a complicated organic molecule called, "DNA". (Deoxyribonucleic acid).
nucleus
The nucleus.
nucleus
deoxyribonucleic acid
Bioaccumulation is what occurs when organisms build organic compounds.
All living organisms require nitrogen to grow. All organisms require nitrogen to make amino, acids, which in turn are used to build proteins.
The nucleus.
deoxyribonucleus acid
deoxyribonucleus acid
Deoxyribonucleic acid apex
In the nuclei of the cells.
deoxyribonucleic acid
deoxyribonucleus acid
nucleus
Nucleus
Gene
deoxyribonucleus acid
deoxyribonucleic acid