Session 1 - DNA Flashcards
1
Q
A __________ is a single unit of DNA needed to make a protein
A
Gene
2
Q
DNA is concentrated into dense structures called ______________
A
Chromosomes
3
Q
In order to be packaged, the DNA (1)_________ helix must be coiled around (2)__________ _________
A
Double
Histone proteins
4
Q
When histone “beads” wind up and lock together they form what?
A
Chromatin
5
Q
Which is more condensed, chromatin or chromosomes?
A
Chromosomes
6
Q
When a cell prepares to divide, (1)___________ condenses into tightly coiled (2)_______________
A
(1) Chromatin
(2) Chromosomes
7
Q
The two stages of protein synthesis are…
A
Transcription and translation
8
Q
During transcription, (1)_________ bases are replaced with (2)_________ bases to make up the strand of mRNA from the DNA strand
A
(1) Thymine
(2) Uracil
