DNA And Chromosomes Flashcards
1
Q
When cell prepares to divide into two new cells, duplicates and supercoiled into _
A
Compact, tightly coiled structures called chromosomes
2
Q
Each chromosome made of two identical units called _
A
Chromatids
3
Q
The chromatids separate during division and provide full set of _ for each new cell
A
DNA
4
Q
DNA coiled twice around _
A
Histones
5
Q
Coiled around histones, creating a structure called a _
A
Nucleosome
6
Q
Chromatids are joined at _
A
Centromere
7
Q
Thymine, adenine, guanine, cytosine, are _
A
Nucleotide bases
8
Q
DNA back bone consists of (2)
A
Deoxyribose (form of sugar)
Phosphate molecule
9
Q
Human cell nucleus has about _ feet of dna
A
6.5
10
Q
When coiled, dna is not preparing to _
A
Divide
11
Q
When supercoiled, cell ready for division and _
A
Chromosomes look like x’s
