---

---

Select your answer:
         

Next Quiz >

Topics:

Biochemistry Vocabulary Eyes Philosophy Mental Health Cell Theory & Melanoma Integumentary System: Skin Disorder Forensic Pathology (Autopsy) Assessment Infection The Microbial World Hormones Genetic Engineering Vascular Surgery The Cardiovascular System OCR A-level BIOMEDICAL MCQ Skel, Musc, Nerv, Circ, Resp

Other quiz:

Microbiology › View

How are pyrimidines structurally different from purines in DNA nucleotides?

A. Pyrimidines have a double-ring structure, while purines have a single-ring structure.

B. Pyrimidines and purines both have a double-ring structure.

C. Pyrimidines have a single-ring structure, while purines have a double-ring structure.

D. Pyrimidines and purines both have a single-ring structure.

---

Human Body Systems › View

Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?
A. skeletal
B. muscular
C. digestive
D. nervous

---