Nucleus 1

Question 1

When are chromosomes most condensed

Answer 1

Metaphase

Question 2

Synteny

Answer 2

Blocks of chromosomes conserved between organisms

Question 3

Acrocentric

Answer 3

Centromere close to one end

Question 4

Karyotype

Answer 4

Chromosome constitution of an individual.

Question 5

Autosome

Answer 5

Non sex chromosome

Question 6

Q arm and P arm

Answer 6

Q arm long, p arm short.

Question 7

Telomere

Answer 7

Cap at end, 3-20 kB repeat of TTAGGG

Question 8

How much nucleotide per histone

Answer 8

146

Question 9

Heterochromatin

Answer 9

Condensed dna, expression turned off.

Question 10

Barr bodies

Answer 10

Inactive X chromosome in females.

Question 11

Nuclear lamina

Answer 11

Attached to internal nuclear membrane by lamin B

Question 12

Nuclear transporters in

Answer 12

Histones, polymerases, transcription factors, proteins.

Question 13

Nuclear transporters out

Answer 13

Ribosomes, RNAs

Question 14

Nucleolus

Answer 14

Contains p arms, RNA pol 1 is here

Question 15

Pars fibrosa

Answer 15

Site of rRNA transcription

Question 16

Pars granulosa

Answer 16

Site of ribosomal assembly

Question 17

Cell cycle

Answer 17

G1, S, G2, M

Question 18

Interphase

Answer 18

Chromosomes replicate

Question 19

Prophase

Answer 19

Visible chromosomes

Question 20

Prometaphase

Answer 20

Nuclear membrane breaks down

Question 21

Metaphase

Answer 21

Max condensed chromosomes are paired

Question 22

Anaphase

Answer 22

Centromeres separate

Question 23

Telophase

Answer 23

Chromosome decondensation, nuclear membrane reformation