What is the complementary DNA strand for this strand?
DNA: GTA-CAT-AAA-TTT
O complementary strand: CAT-GTA-TTT-AAA
O complementary strand: GTA-CAT-AAA-TTT
O complementary strand: AAA-TTT-GTA-CAT
O
complementary strand: TTT-AAA-CAT-GTA

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.