★ Biology for Engineers Quiz
9 membered double ring nitrogen bases in nucleotide are called
A. Purines
B. Pyrimidines
C. Both A and B
D. Neither A nor B
Select your answer:

Topics:
Human Urinary System Pathophysiology Skeletal System Homeostatic Imbalances The Teeth The Ankle and Lower Leg Neuron Structure Biochemistry of Diabetes Embryology Human Muscle Burns and Skin Cancer Orthopaedic Neurology Pathology Introduction Cell Injury BMI (Body Mass Index) Muscoskeletal Injuries Hematology Acute LeukemiasOther quiz:
Bariatric Surgery and Diabetes › ViewWhich type of bariatric surgery involves removing a large portion of the stomach, leaving a smaller “sleeve”?
A. Adjustable Gastric Banding
B. Roux-en-Y Gastric Bypass
C. Sleeve Gastrectomy
D. Gastric Balloon
Skills for Health › View
Set of practices, techniques and customs that the individual must follow on a regular basis to promote physical and mental health, maintain it and prevent diseases.
A. Hygiene
B. Anatomy
C. Physiology
D. Morphology