10.1 Genes and DNA Flashcards
1
Q
Explain where DNA is found in cells:
A
Cells = Nucleus = Chromosome = DNA
2
Q
What is DNA?
A
Is the genetic material of most life and is made up of double-stranded molecules called nucleotides.
3
Q
Name the 3 groups of nucleotides:
A
- Deoxyribose sugar
- Phosphate
- Nitrogen base (A, T, G, C)
4
Q
What is a gene?
A
A DNA sequence (single set of instructions) that code for a single protein.
5
Q
How are proteins made?
A
- DNA is transcribed into RNA, which is translated into protein.
- DNA = RNA = Protein
6
Q
What are alleles?
A
Different versions of a gene (Hair colour = Red, brown, black), which can be dominant or recessive.
