About 160 years. After Charles Darwin came out with his theory people have been debating it.
includes the brain and spinal cord
Hémoglobin =other name for blood
The endoplasmic reticulum, or ER, and Golgi apparatus, prepare molecules, including proteins, hormones and lipids, and package them in vesicles for transport. Rough ER is studded with ribosomes that synthesize proteins, while the smooth ER manufactures lipids.
Serine, threonine, and tyrosine are most commonly phosphorylated in eukaryotes.
