Determine whether each of the following is a characteristic of dna, rna, or both.
is single-stranded:
contains nitrogenous bases:
contains uracil:
contains adenine:
is double-stranded:
is made of nucleotides:
contains deoxyribose sugar:
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The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament