What type of bond is formed between the hydroxyl group of one nucleotide and the phosphate group of an adjacent nucleotide, forming the sugar-phosphate backbone of DNA?

A) glycosidic bond
B) phosphodiester bond
C) ester linkage
D) hydrogen bond
E) ionic bond


B

Biology & Microbiology

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The chloroplast shares many similarities with which organelle?

a. mitochondrion b. rough endoplasmic reticulum c. nucleus d. Golgi complex e. lysosome

Biology & Microbiology

A mutation that changes a codon that originally coded for an amino acid into a stop codon is a

A) frameshift mutation. B) missense mutation. C) silent mutation. D) nonsense mutation.

Biology & Microbiology

Identify a respiratory pigment, and then describe its structure and how this relates to its function. What will be an ideal response?

Biology & Microbiology

The discussion of carbohydrate catabolism includes some of the many metabolic variations microbes are capable of. Devise a set of biochemical tests to identify the Gram-negative bacteria mentioned. Assume you can detect various organic compounds. Prepare a dichotomous key of your identification scheme.

What will be an ideal response?

Biology & Microbiology