How is the information that specifies a protein stored in DNA?
A) in the orientation of the double strands
B) in the arrangement of the sugar-phosphate chain
C) in the types of chemical bonds holding bases together
D) in the sequence of bases
Answer: D
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Which of the following is true regarding conjugation?
A. The bacteria must be in physical contact B. Most bacterial species have the ability to conjugate C. Strains called donor strains can transfer genetic information D. Donor strains can convert non-donor strains into donor strains E. All of the answers are correct
The central nervous system is made up of the
A. brain and spinal cord. B. spinal cord and spinal nerves. C. sympathetic and parasympathetic system. D. brain and endocrine organs.
What structure is indicated by: 10A, 15T, 3G, 7C?
A. Double-stranded RNA B. Double-stranded DNA C. Single-stranded RNA D. Single-stranded DNA
In angiosperms, double fertilization produces a trinucleate cell that gives rise to a ____ endosperm and a ____
embryo.
a. haploid; triploid b. triploid; haploid c. triploid; diploid d. diploid; triploid e. diploid; haploid