C&EN weekly chemistry news quiz, April 17

Visit the C&EN website to play our latest quiz: cenm.ag/april-17-quiz

What is the name of the new family of antiviral molecules found in a plant-derived supplement?

• Triterpenoids

• Saponins

• Coumarins

• Monoterpenoids

What simple treatment prevents dendrite formation in lithium-metal anodes?

• Soaking in 1% water etching solution for 20 min

• Heating to high temperatures for several hours

• Coating with special polymer materials

• Exposing to ultraviolet radiation

Who is the incoming CEO of Dow, effective July 1?

• Karen S. Carter

• Jeff Tate

• Jim Fitterling

• Howard University

What is Karen S. Carter’s current role at Dow?

• Chief operating officer

• Sales specialist

• Chief financial officer

• Chief inclusion officer

According to a new study, what percentage of the 2019-24 methane rise was attributed to momentum?

• 59%

• 25%

• 16%

• 41%

How many countries does the Academic Freedom Index say have experienced a significant decline in academic freedom?

• 50

• 43

• 179

• 93

Which enzyme is paradoxically required for blood-brain barrier integrity?

• Hyaluronidase

• Neuraminidase

• Glycosidase

• Protease

What is Nula Therapeutics’ lead drug candidate targeting?

• The nuclear envelope of the cell

• Nuclear pores

• Calcium signaling channels

• Lysosomal membranes

C&EN used artificial intelligence in the development of this game, but all the questions and answers were checked by one of our human editors.

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