MCAT UWORLD BIOLOGY 2025 UPDATE| COMPREHENSIVE QUESTIONS AND VERIFIED ANSWERS (COMPLETE SOLUTIONS) GUARANTEED SUCCESS |GRADE A+!! (100% ACCURATE) GET IT RIGHT!!

MCAT UWORLD BIOLOGY 2025 UPDATE| COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS (COMPLETE SOLUTIONS)
GUARANTEED SUCCESS |GRADE A+!! (100% ACCURATE) GET IT
RIGHT!!

Question 1

Which type of bone cell is primarily responsible for breaking down bone tissue?

A) Osteoblasts

B) Osteocytes

C) Osteoprogenitor cells

D) Chondrocytes

E) Osteoclasts

Correct Answer: E) Osteoclasts

Rationale: The provided text states that "osteoclasts break down bone".

Question 2

Which type of bone cell is responsible for depositing new bone by promoting the precipitation

of calcium and phosphate from the bloodstream?

A) Osteoclasts

B) Osteocytes

C) Chondrocytes

D) Fibroblasts

E) Osteoblasts

Correct Answer: E) Osteoblasts

Rationale: The provided text states that "osteoblasts deposit new bone by

promoting precipitation of Ca and phosphate from bloodstream to be incorporated

into bone matrix".