Examlex
Which of the following is true?
Nucleotide Sequences
The order of nucleotides in a DNA or RNA molecule, determining the genetic information carried by that molecule.
DNA Strand
One of the two long chains of nucleotides twisted together to form a double helix in the DNA molecule, encoding genetic information.
Complement
A group of proteins in blood and other body fluids that are activated by an antigen–antibody complex and then destroy pathogens.
X-ray Diffraction
A technique for determining the spatial arrangement of the components of a crystal.
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