BIO 117 EXAM 2 2026 MOLECULAR BIOLOGY
DRILL PACK ANSWER SHEET
◉ Site of longitudinal bone growth.
Answer: epiphyseal disc
◉ Bone-building cell.
Answer: osteoblast
◉ Site of blood cell production.
Answer: red bone marrow
◉ Tough outer covering of the bone.
Answer: periosteum
◉ Enlarged end of a long bone.
Answer: epiphysis
◉ Cancellous bone.
Answer: spongy bone
, ◉ Osteon.
Answer: haversian system
◉ Bone-eroding cell that helps in bone marrow remodeling.
Answer: osteoclast
◉ Hollow center of a long bone.
Answer: medullary cavity
◉ The epiphyseal disc is.
Answer: composed of cartilage and is involved in the growth of long
bones
◉ Osteoclastic activity.
Answer: stimulates bone breakdown
◉ Depression of the red bone marrow.
Answer: causes a life-threatening decline in red blood cells
◉ Osteoporosis affects the older population, with women being
more affected. Other bone diseases cause a decrease in bone density.
Which hormone could possibly be contributing to this, what cell is
turning on and which cell is turning off?.
DRILL PACK ANSWER SHEET
◉ Site of longitudinal bone growth.
Answer: epiphyseal disc
◉ Bone-building cell.
Answer: osteoblast
◉ Site of blood cell production.
Answer: red bone marrow
◉ Tough outer covering of the bone.
Answer: periosteum
◉ Enlarged end of a long bone.
Answer: epiphysis
◉ Cancellous bone.
Answer: spongy bone
, ◉ Osteon.
Answer: haversian system
◉ Bone-eroding cell that helps in bone marrow remodeling.
Answer: osteoclast
◉ Hollow center of a long bone.
Answer: medullary cavity
◉ The epiphyseal disc is.
Answer: composed of cartilage and is involved in the growth of long
bones
◉ Osteoclastic activity.
Answer: stimulates bone breakdown
◉ Depression of the red bone marrow.
Answer: causes a life-threatening decline in red blood cells
◉ Osteoporosis affects the older population, with women being
more affected. Other bone diseases cause a decrease in bone density.
Which hormone could possibly be contributing to this, what cell is
turning on and which cell is turning off?.
