★ DNA Structure and Function Quiz
for each adenine there must be one thymine, and for each guanine there must be one cytosine
A. nitrogenous base
B. chromosome
C. double helix
D. base pairing
Select your answer:
Topics:
Bacterial Resistance and Biotechnology Major Internal Organs of the Body Organisms Microbes Basics of Cardiology Burns and Skin Cancer Eco Factors & Bacteria Disabilities Respiratory Diseases Transport System Lungs Tissues Vet Science Terms ESR (RBC sed rate) Hemodynamic Disorder The BrainOther quiz:
Cardiology › ViewAccording to the ASE Guidelines, what is the estimated RA pressure if the IVC diameter is normal (≤2.1 cm) and decreases more than 50% with a sniff?
A. 3 mm Hg
B. 8 mm Hg
C. 15 mm Hg
D. 5-10 mm Hg
Circulatory System › View
What allows blood to move from the atrium into the ventricles?
A. Pumping of the heart muscle
B. passing through the aorta
C. opening of a valve
D. closing of pulmonary artery