The flu outbreak of 1918 that killed many people worldwide is considered..
A) a pandemic.
B) an epidemic.
C) endemic.
D) none of the above.
Answer: A) a pandemic.
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Which hormone stimulates spermatogenesis?
a. LH b. FSH c. testosterone d. progesterone
Pattern formation in plants involves signaling molecules that specify positional information
____________________ Indicate whether the statement is true or false.
Which Lophotrochozoan phylum includes members that have highly segmented bodies with many repeating units that are usually separated by transverse partitions called septa?
a. Annelida b. Mollusca c. Platyhelminthes d. Rotifera
What is the correct order of the steps in the progression of lung cancer in a smoker?1. Cilia are lost2. There is a thickening and callusing of the cells lining the bronchi3. Metastasis occurs4. A tumor forms5. Cells with atypical nuclei appear
A. 5, 1, 2, 3, 4 B. 2, 1, 4, 5, 3 C. 1, 2, 4, 3, 5 D. 1, 2, 3, 4, 5 E. 2, 1, 5, 4, 3