Fatty acids and ribozymes are incompatible as early molecules of life because ____
a. they have different pH requirements
b. they most likely developed millions of years apart
c. fatty acid vesicles are impermeable to ribozymes bound to ferrous oxide
d. magnesium is required for ribozyme function but causes fatty acids to precipitate
e. magnesium is required for fatty acids to form vesicles but causes ribozymes to precipitate
ANSWER: d
You might also like to view...
Name the fluid-filled interior of the chloroplast.
A. Stomata B. Thylakoids C. Grana D. Stroma
Which product of anoxic sewage treatment can be used to heat and power an entire water treatment facility?
A) CO2 B) H2 C) CH4 D) O2
In the shallow subsurface, surface waters often move through ________, which are porous geological structures below the plant root zone.
Fill in the blank(s) with the appropriate word(s).
A map unit is based on a recombination frequency of:
1.1% 2.5% 3.10% 4.25% 5.50%