★ The Digestive System Quiz
What enzyme does the mouth produce to break down food?
A. Bail
B. Saliva
C. Lipase
D. Amylase
Select your answer:

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Joints The Digestive System Illness and Symptoms Hazards & Risks Molecular Biology Name that Pathogen Cosmetology Anatomy Oral Hygiene Vitals Healthy Living Vocabulary Blood Pressure Infectious Diseases Protozoan Diseases Cardiology Medications Thrombosis, EmboliyaOther quiz:
Gene Cloning › ViewWhich of the following could be used as a vector for a human gene?
A. Bacterial Plasmid
B. Bacteria
C. A mitochondria
D. mRNA
Disease, Illness and Sickness › View
The virus mutations are more contagious, because
A. they attack people
B. they spread more easily
C. no vaccine has been developed, yet