A control group is to an experiment as _____ is to a clinical trial.
A) a placebo group
B) random assignment
C) an independent variable
D) a literature review
An independent variable
Biology & Microbiology
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Reptiles are __________ (cold-blooded animals) with scales. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Which letter in the above figure represents breast
cancer? a. A rounded cells b. B irregular shaped cells c. both A and B d. neither A or B e. this is prostate tissue
Biology & Microbiology
Which of the following is NOT a countermeasure of bacteria trying to escape host immune responses?
A) Catalase production B) Siderophore production C) Antioxidant production D) Leukocidin production E) Capsule production
Biology & Microbiology
From the left ventricle, oxygen-rich blood flows through the
A) superior vena cava. B) aorta. C) pulmonary artery. D) pulmonary vein.
Biology & Microbiology