In a polynucleotide (DNA or RNA strand), the alternating chain of sugar and phosphate to which nitrogenous bases are attached

What will be an ideal response?


Sugar-Phosphate Backbone

Biology & Microbiology

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Mitochondrial crista junctions

A) are large pores in the inner membrane. B) are associated with the movement of material from the cytosol into the intermembrane space. C) contain the mitochondrial DNA. D) connect thylakoid membranes. E) limit movement of material between the intracristal and intermembrane spaces.

Biology & Microbiology

If bacteria are exposed to a B cell in the spleen, they will initiate a(n)

A) cell-mediated immune response. B) response from the complement system. C) inflammatory response. D) humoral immune response. E) nonspecific immune response.

Biology & Microbiology

The maximum volume of air that can be expired following a maximum inspiration is called

A) inspiratory capacity. B) tidal volume. C) vital capacity. D) inspiratory reserve volume. E) expiratory reserve volume.

Biology & Microbiology

The developing embryo in Figure 51-2 is representative of development in:

a. a bird. b. an annelid. c. a sea star. d. a frog. e. a mammal

Biology & Microbiology