The type of molecule that includes chemical messengers such as hormones, transport molecules, and receptors on cell surfaces is a protein.

Step 1: Understanding the question
The question is asking about a type of molecule that has several functions including acting as chemical messengers (like hormones), transport molecules, and receptors on cell surfaces.

Step 2: Identifying the type of molecule
Proteins are the type of molecules that perform these functions. They are complex molecules that are vital for the body and play a crucial role in most biological processes.

Step 3: Explaining the functions
- As chemical messengers, proteins such as hormones transmit signals to coordinate biological processes between different cells, tissues, and organs.
- As transport molecules, proteins help move other molecules around the body. For example, hemoglobin is a protein that transports oxygen in the blood.
- As receptors on cell surfaces, proteins receive signals from outside the cell and perform an action in response. For example, insulin receptors bind insulin, which signals the cell to take in glucose.

So, the answer to the question is "protein".

Question

The type of molecule that includes chemical messengers such as hormones, transport molecules, and receptors on cell surfaces is a protein.

Step 1: Understanding the question
The question is asking about a type of molecule that has several functions including acting as chemical messengers (like hormones), transport molecules, and receptors on cell surfaces.

Step 2: Identifying the type of molecule
Proteins are the type of molecules that perform these functions. They are complex molecules that are vital for the body and play a crucial role in most biological processes.

Step 3: Explaining the functions
- As chemical messengers, proteins such as hormones transmit signals to coordinate biological processes between different cells, tissues, and organs. 
- As transport molecules, proteins help move other molecules around the body. For example, hemoglobin is a protein that transports oxygen in the blood.
- As receptors on cell surfaces, proteins receive signals from outside the cell and perform an action in response. For example, insulin receptors bind insulin, which signals the cell to take in glucose.

So, the answer to the question is "protein".

Knowee AI · Accepted Answer

The type of molecule that includes chemical messengers such as hormones, transport molecules, and receptors on cell surfaces is a protein.

Step 1: Understanding the question
The question is asking about a type of molecule that has several functions including acting as chemical messengers (like hormones), transport molecules, and receptors on cell surfaces.

Step 2: Identifying the type of molecule
Proteins are the type of molecules that perform these functions. They are complex molecules that are vital for the body and play a crucial role in most biological processes.

Step 3: Explaining the functions
- As chemical messengers, proteins such as hormones transmit signals to coordinate biological processes between different cells, tissues, and organs. 
- As transport molecules, proteins help move other molecules around the body. For example, hemoglobin is a protein that transports oxygen in the blood.
- As receptors on cell surfaces, proteins receive signals from outside the cell and perform an action in response. For example, insulin receptors bind insulin, which signals the cell to take in glucose.

So, the answer to the question is "protein".

The type of molecule that includes chemical messengers such as hormones, transport molecules, and receptors on cell surfaces is .

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