Answer a or b
dna molecule characteristics are :
a) double helix, riboses, adenine .
b) double helix, deoxyribose , thymine .

The answer is B because DNA is (deoxyribose), RNA is the one with just ribose

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.