★ Microbiology Quiz
What is the structure of purines in DNA nucleotides?
A. A single-ring structure with a six-carbon ring
B. A double-ring structure with a six-carbon ring fused to a five-carbon ring
C. A double-ring structure with two six-carbon rings
D. A single-ring structure with a five-carbon ring
Select your answer:
Topics:
Diseases Key Terms Tib/Fib, Knee and Femur Organ Systems Anatomy & Physiology Sense of Sight Coronary Heart Diseases HFT Vitamins Digestive System (Gastroenterology) Normal Radiographic Anatomy Functional Anatomy in Track & Field Psychopathology Genetic Diseases Blood & Blood Vessels Epithelial Med Term MusculoskeletalOther quiz:
Human Excretory System › ViewUnder normal conditions, which of the following substances is found in urine?
A. blood cells
B. protein
C. glucose
D. urea
Healthcare Delivery Systems and Insurance › View
What type of care does hospice provide?
A. labor and delivery
B. emergency care
C. end of life care
D. indigent care