Nucleus 1 Flashcards
1
Q
When are chromosomes most condensed
A
Metaphase
2
Q
Synteny
A
Blocks of chromosomes conserved between organisms
3
Q
Acrocentric
A
Centromere close to one end
4
Q
Karyotype
A
Chromosome constitution of an individual.
5
Q
Autosome
A
Non sex chromosome
6
Q
Q arm and P arm
A
Q arm long, p arm short.
7
Q
Telomere
A
Cap at end, 3-20 kB repeat of TTAGGG
8
Q
How much nucleotide per histone
A
146
9
Q
Heterochromatin
A
Condensed dna, expression turned off.
10
Q
Barr bodies
A
Inactive X chromosome in females.
11
Q
Nuclear lamina
A
Attached to internal nuclear membrane by lamin B
12
Q
Nuclear transporters in
A
Histones, polymerases, transcription factors, proteins.
13
Q
Nuclear transporters out
A
Ribosomes, RNAs
14
Q
Nucleolus
A
Contains p arms, RNA pol 1 is here
15
Q
Pars fibrosa
A
Site of rRNA transcription
