binding with a receptor protein that enters the nucleus and activates specific genes
Testosterone functions inside a cell by binding to specific receptors in the cytoplasm or nucleus of the cell. This binding activates these receptors, allowing them to enter the nucleus and regulate the expression of specific genes involved in various physiological processes such as muscle growth, bone density, and sperm production.
The nucleus
to maintain homeostasis inside the body.
a nucleus controls the cells functions of the cell and what it should be doing
nucleus controls the cell functions with directions given by the chromosomes inside of it
cytoplast
Organelle
Testosterone does not act on a second messenger system. Testosterone acts directly on genes within a cell to initiate cellular changes, whereas the other hormones listed (Glycogen, Epinephrine, Growth Hormone, ACTH) typically use second messenger systems to transmit their signals inside the cell.
Steroid hormones are chemical messengers that can pass through the plasma membrane of cells due to their lipid-based structure. Once inside the cell, they bind to receptor molecules located in the cytoplasm or nucleus, leading to changes in gene expression and cellular functions.
The area inside the cell membrane of a bacterium is called the cytoplasm. It contains various organelles and structures that are essential for the cell's functions, such as ribosomes, DNA, and enzymes.
to support the cell and to keep all things(such as the nucleas) inside
DNA - chromosomes