In a hydrolysis reaction, _____, and in this process water is _____.
A. a polymer is broken up into its constituent monomers ... consumed
B. a monomer is broken up into its constituent polymers ... produced
C. monomers are assembled to produce a polymer ... consumed
D. monomers are assembled to produce a polymer ... produced
E. a polymer is broken up into its constituent monomers ... produced
Ans: A. a polymer is broken up into its constituent monomers ... consumed
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Which of the following statements is NOT true about gamete formation in mammals?
A. In the female, the separation of cytoplasm is unequal during meiosis. B. Only one of the four cells resulting from meiosis goes on to become an oocyte. C. Only one of the four cells resulting from meiosis goes on to become an egg, which becomes a zygote upon fertilization by a sperm cell. D. The polar bodies formed during meiosis in the female can participate in fertilization with sperm. E. The cytoplasm is diminished during development of sperm, and a flagellum is formed to give sperm locomotion.
A researcher is investigating the morphology of complete flowers. Which of the following organs must his flowers contain?
A. calyx, corolla, receptacle, and carpels B. calyx, corolla, carpels, and ovules C. calyx, corolla, stamens, and anthers D. calyx, corolla, carpels, and pistils E. calyx, corolla, androecium, and gynoecium
The term "DNA sequence" refers to the:
a. order of nucleotides in a strand of DNA b. number a nucleotides in a strand of DNA c. number of chromosomes in a nucleus d. number of hydrogen bonds in a strand of DNA e. identity of genes in a strand of DNA
Organisms that reproduce asexually usually do so through the process of ____
a. mitosis b. meiosis c. gametogenesis d. spore formation e. fertilization