The double-strands of DNA result from the formation of ________ between the bases
A) covalent bonds
B) peptide bonds
C) ionic bonds
D) hydrogen bonds
E) ??1,4 bonds
D
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A new plant species is introduced to Daphne Major and produces small, thin seeds. This plant species is highly adapted to drought and after 5 years has replaced over 80% of the native plants that produce large seeds. How will this change affect the evolution of beak size in the medium ground finch population?
A. Small beaks will be favored under all rainfall conditions. B. Small beaks will be favored in wet years and large beaks will be favored in dry years. C. Large beaks will be favored in wet years and small beaks will be favored in dry years. D. Large beaks will be favored under all rainfall conditions.
In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called
A. proteome transfer. B. horizontal gene transfer. C. vertical evolution. D. vertical descent with mutation. E. genomic sciences.
An example of a non-enzyme containing receptor is:
A. Prolactin receptor B. Platelet-derived growth factor receptor C. Insulin receptor D. Epidermal growth factor receptor
What is the temperature sensitive pigment of Serratia marcescens which cause it to be red at 25C and white at 37C
a. prodigiosin b. ligase c. casein d. ribozyme e. catalase