DNA Flashcards

1
Q

DNA

A

Deoxyribonucleic acid- the molecule in the nucleus that carries our genetic code.
It is found in the nucleus of cells.
Is a polymer made up of two strands joined together.

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2
Q

Chromosome

A

A chromosome is a strand of DNA- each human has 46 of them in order to function properly

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3
Q

Gene

A

A gene is a section of a chromosome that codes for a particular characteristic (protein).

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4
Q

Allele

A

An allele is a variation of a gene- each gene contains two allele

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5
Q

Protein

A

A protein is a long chain of amino acids in a particular order. The order of these amino acids is coded for by a gene.

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6
Q

Amino acid

A

An amino acid is a molecule that forms a protein when arranged in a particular order.

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7
Q

Nucleotide

A

A nucleotide is what makes up DNA.

Each nucleotide is made up of:
-A Sugar
-A phosphate
-A base (A, T, G, C)
A binds with T
G binds with C

These bonds are exclusive

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8
Q

Double Helix

A

The way DNA structure is described as:

A double stranded, double-helix molecule

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9
Q

Genome

A

The genome of an organism is the entire genetic material of that organism (i.e. all of the chromosomes and a small amount of DNA found in the mitochondria).

The human genome contains approx 21,000 genes.

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