DOUBLE TROUBLE: The nitrogenous base "A".
What is adenine?
The shape of DNA.
What is the double helix?
The nitrogenous base "G."
What is Guanine?
The nitrogenous base "C"
What is cytosine?
The nitrogenous base "T"
What is Thymine?
The nitrogen base G and its pair.
What are cytosine and guanine?
A DNA molecule is _____ - stranded.
What is double?
_____ connect sugars together to form the DNA backbone.
What are phosphate groups?
This scientist described the 'factors' responsible for the inheritance of a series of characteristics in pea plants.
Who is Gregor Mendel?
A physical and functional unit of inheritance that may or may not code for protein synthesis.
What is a gene?
The nitrogen base A and its pair.
What are adenine and thymine?
DNA consists of a _____-______ backbone with attached nucleotide bases.
What is sugar-phosphate?
What is deoxyribose?
DOUBLE TROUBLE: T OR F - Hydrogen bonds in DNA connect base pairs and are not part of the DNA backbone. (If false, answer why not).
True
What is formed when nucleotides are linked together.
What are polynucleotides?
SUDDEN DEATH: The three components of DNA nucleotides.
What are a five-carbon sugar molecule, a phosphate group, and a nitrogen base?
This holds base pairs together in the middle of DNA.
What are hydrogen bonds?
The structure of DNA can be described as a "twisted rope ladder." Per this analogy, each of the rungs of this ladder represent the link between these.
What are the nitrogenous bases?
The three phase dogma of molecular biology.
What is gene ---> RNA ---> protein?
Sugar-phosphate bonds run down each side of the double helix, but chemically in this direction.
What is opposite?
What two scientists proposed the double helix structure of DNA?
Who are James Watson and Francis Crick?
SUDDEN DEATH: One component of nucleotides is the ____-carbon sugar.
What is five?
The _____ between the strands that form the DNA molecule is always the same.
What is distance?
This scientist discovered that genes are located in chromosomes.
Who is Thomas Morgan?
DNA is densely packed in the nucleus. There are about this many metres of it in a human cell, while the diameter of the nucleus is only five micrometres.
What is four metres?