Methane, which is composed of carbon and hydrogen, lacks functional groups and is a gas at room
temperature. Upon replacing one of the hydrogen atoms with a hydroxyl group, methane is converted
to methanol, which is a liquid at room temperature. Explain the reason behind this difference in
physical properties.What will be an ideal response?
Concepts to Consider: Polar nature of methanol compared to methane is due to polar hydroxyl group;
polarity of methanol allows formation of hydrogen bonds and increases cohesiveness of this chemical.
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A nonliving source of an infectious agent that infects a large number of people is called a
A) fomite. B) reservoir. C) vector. D) vehicle.
Protein(s) that play a role in initiating transcription in eukaryotes include
_____ general transcription factors. _____ transposase. _____ RNA polymerase II. _____ mediators. _____ general transcription factors and RNA polymerase II.
While walking in a tropical forest, you come upon a 6-meter-tall plant that shows no evidence of seed production. The plant is most likely a(n)
A) angiosperm. B) gymnosperm. C) alga. D) bryophyte. E) fern.
Metabolism refers to only those reactions that release energy.
Answer the following statement true (T) or false (F)