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Muscular Integumentary and Musculoskeletal System Cell Cycle; Cancer Histology HS Breath Genetics Hospital Departments Monoclonal Antibodies Stimuli and Responses in Humans Human Eye Radiology Infection Control Germs & Diseases BMI, Body Composition and Body Types Human Organs DietOther quiz:
Anatomy and Physiology Skeletal System › ViewWhat is the correct sequence of steps in bone repair?
1. Cartilage in the external callus is replaced by bone
2. A hematoma occurs
3. An internal callus forms at the site of injury
4. Osteoclasts and osteoblasts remodel the bone at the site of repair
A. 4,2,3,1
B. 2,1,3,4
C. 2,3,1,4
D. 1,2,3,4
CRISPR and Sickle-Cell Disease › View
What is the role of the Cas9 enzyme in the exa-cel therapy?
A. To cut both strands of DNA
B. To guide the enzyme to the target stretch of DNA
C. To stitch the DNA strands back together
D. To disable the BCL11A gene