Endocrine gland - a group of cells that secretes substances into the blood or directly into an organ.
Differ from exocrine glands, endocrine glands have no ducts and secrete products (hormones) directly into blood.
Hormone - a substance produced by cells that helps specific groups of cells to perform specific functions. It is a product of endocrine gland which functions as chemical messengers to stimulate other cells.
Duct – a channel or tube that conveys a substance. It is part of the exocrine glands (such as salivary glands) which makes contact with surface .
Answer:
Proteins are generally way too big to be able to fit through a cell membrane.
Explanation:
They cannot compress their molecules to pass through.
Answer:
1. cell walls tend to be more rigid than the cell membrane
Explanation:
Cell walls are called 'walls' for a reason (:
You will expect to find some of the same aspects of there sons or daughters or even you because if they have you dna they must have something you have or there child
Hope this helped
