Steroid hormones are synthesized in the of the cell. a. golgi apparatus b. nucleus c. smooth endoplasmic reticulum d. rough endoplasmic reticulum e. mitochondria

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

The distribution of related animals and plants across the world

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from