Laboratory simulations provide indirect evidence that organic compounds such as __________ and __________ self-assemble spontaneously under conditions like those thought to have prevailed on the early Earth.
Fill in the blank(s) with the appropriate word(s).
amino acids; nucleotides
You might also like to view...
The megaspore eventually becomes a _______-celled embryo sac after many cytoplasmic divisions
a. 3 b. 4 c. 7 d. 8 e. 16
By evaluating and selecting mates with superior qualities, an animal can increase its
A. reproductive success. B. learning. C. competitive strategies. D. foraging efficiency. E. length of life.
Which of the following statements about enzymes is false?
A) They increase the rate of chemical reactions. B) They function as chemical catalysts. C) They regulate virtually all chemical reactions in a cell. D) They are monomers used to build proteins.
A solution is at equilibrium across a plasma membrane. If 50 molecules were to enter the cell, how many molecules would need to exit the cell in order to maintain the equilibrium?
A. 50 B. 100 C. 75 D. 25 E. 0