★ DNA and Genetic Manipulation Quiz
What pairs with guanine?
A. Thymine
B. Citosine
C. Adenine
D. Guanine
Select your answer:
Topics:
Osteoporosis Genes, Chromosomes and Genome Nutrition and Human Digestive System Blood and Bones Macromolecules & Nutrients Thyroid Chronic Diseases Disease and Immunity Polio Vitals Viruses Circulation of Blood Hormones Adaptive Immune System Forensic Pathology (Autopsy) AssessmentOther quiz:
Nervous System › ViewWhich of these is an example of a voluntary response?
A. digesting food after a meal
B. breathing while asleep
C. nodding in agreement
D. shivering due to cold weather
Microbiology › View
Cytotoxic T cells
A. secrete granzymes and perforins that damage target cells.
B. lack specificity for antigen.
C. secrete interleukin-2 to stimulate B and T cells.
D. are activated by free, soluble antigens.