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Cell Differentiation and Specialization Quiz

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Cell Differentiation and Specialization Quiz

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Questions and Answers

What is the purpose of a feedback system in the body?

To maintain the volume and composition of body fluid

To initiate chemical reactions in the body

To regulate the concentration of glucose in the blood

To monitor and evaluate the status of the body's condition (correct)

Which component of the feedback system is responsible for detecting changes in the body's environment?

Receptor (correct)

Control Centre

Effector

Stimulus

What is the primary function of negative feedback systems in the body?

To amplify the effects of a stimulus

To initiate chemical reactions in the body

To increase glucose concentration in the blood

To maintain stability and prevent excessive change (correct)

In which part of the body do the highest proportions of water compose 80–85 percent of their masses?

Brain Signup and view all the answers

Which of the following is NOT a basic cell function related to obtaining nutrients and oxygen?

Synthesizing proteins needed for cell structure and growth Signup and view all the answers

What is the primary function of performing chemical reactions that use nutrients and O2?

To provide energy for the cells Signup and view all the answers

Why is obtaining food (nutrients) and oxygen (O2) crucial for all cells?

To perform chemical reactions that provide energy for the cells Signup and view all the answers

Which of the following is a key part of a cell's response to changes in the surrounding environment?

Being sensitive and responsive to changes in the surrounding environment Signup and view all the answers

Which atoms make up 96% of the total body chemistry?

Oxygen, carbon, hydrogen, and nitrogen Signup and view all the answers

At which level of organization in the human body do cells become the basic units of life?

The cellular level Signup and view all the answers

Which atoms and molecules are the inanimate raw ingredients from which all living things arise?

Oxygen, carbon, hydrogen, nitrogen, proteins, carbohydrates, fats, and nucleic acids Signup and view all the answers

What is the fundamental unit of both structure and function in a living being?

The cell Signup and view all the answers