Nucleic Acids Crossword Puzzle

QUESTIONS LIST:

• cytosine : guanine pairs with this nitrogenous base.
• adenine : t pairs with this nitrogen base.
• uracil : this nitrogenous base replaces thymine in rna.
• phosphate : both dna and rna have a sugar- _ backbone.
• nitrogenous : a _ base attaches to a 5-carbon sugar in both dna and rna.
• nucleotides : these are dna or rna units (“building blocks”).
• nucleotide : each of these building blocks of dna & rna consist of a phosphate group, a sugar and a nitrogenous base.
• thymine : adenine pairs with this nitrogen base.
• proteins : dna contains the information needed for cells to make these macromolecules.
• rosalind franklin : this scientist used x-rays to take pictures of dna.
• deoxyribonucleic acid : this is the full name for dna.
• ribonucleic acid : this is the full name for rna.
• guanine : cytosine pairs with this nitrogenous base.
• double helix : this describes the shape of dna.
• watson&crick : these two scientists are given credit for discovering the structure of dna in 1953.
• genetic : dna contains this type of information.
• molecules : both dna and rna are these.
• variation : dna is responsible for both similarities and _ among all living organisms.
• nucleic acids : there are two types of these biological molecules: dna and rna.
• ribose : this is the 5-carbon sugar in an rna nucleotide.
• deoxyribose : this is the 5-carbon sugar in a dna nucleotide.
• oxygen : deoxyribose is missing one of these when compared to ribose.
• complementary : a & t and g & c are _ bases.
• chromatin : these fibres of dna are in a less-condensed strand-like form; the usual form of dna in the nucleus during interphase.
• chromosomes : this is a very condensed form of chromatin; visible only during cell division (mitosis).