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Biology: Cellular Structure

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Questions and Answers

What is a characteristic of WBCs compared to RBCs?

Same size
Larger in size (correct)
Variable in size
Smaller in size

How many main categories of WBCs are there?

Four
Five
Two (correct)
Three

What are the five types of WBCs categorized into?

Neutrophils and platelets
Eosinophils and basophils
Lymphocytes and monocytes
Granulocytes and agranulocytes (correct)

What can be said about the five types of WBCs?

They fall under two main categories (A) Signup and view all the answers

What is a characteristic of WBCs?

They come in different types (B) Signup and view all the answers

What is the size of eosinophils in diameter?

12 - 17 µm (A) Signup and view all the answers

How do eosinophils compare in size to red blood cells?

Eosinophils are about 3 times the size of red blood cells (D) Signup and view all the answers

What is the size of neutrophils in diameter?

Less than 12 µm (C) Signup and view all the answers

How do eosinophils compare in size to other cells?

Eosinophils are larger than neutrophils (B) Signup and view all the answers

What is the difference in size between eosinophils and red blood cells?

Eosinophils are 3 times larger than red blood cells (B) Signup and view all the answers

What are the origin of platelets in the body?

Fragments of large cells called megakaryocytes (C) Signup and view all the answers

Where are megakaryocytes produced in the body?

Bone marrow (D) Signup and view all the answers

What is the role of megakaryocytes in the body?

Producing platelets (C) Signup and view all the answers

What is the relationship between platelets and megakaryocytes?

Platelets are fragments of megakaryocytes (A) Signup and view all the answers

What is the function of platelets in the body?

Forming blood clots (D) Signup and view all the answers

What is the basic unit of life?

Cells (D) Signup and view all the answers

What do cells form when grouped together?

Tissues (D) Signup and view all the answers

What do tissues form when grouped together?

Organs (B) Signup and view all the answers

What is the highest level of organization in an organism?

Organ systems (D) Signup and view all the answers

What is the relationship between organs and organ systems?

Organs are part of organ systems (A) Signup and view all the answers

What is a characteristic of smooth muscle cells?

Actin and myosin are arranged more randomly (C) Signup and view all the answers