That would be A.
Cells have specific receptors for different hormones that allow the intake of them.
Answer:
Tissue
Explanation:
A group of similar cells that perform a particular function is called a tissue. Each cell type has special features that enable it perform a particular function efficiently. Each cell is highly specialized. groups of such specialized cells are normally assembled together to form a tissue which performs a specific function like the epithelial tissue, muscular tissue.
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation: hydrogen bonds