Nucleus

Question 1

Nucleus structure

Answer 1

Spherical or oval shaped structure

Question 2

Nucleus functions as
1. Controls (1)
2. Directs (2)
3. Produces (3) in the nucleoli

Answer 2

1. cellular structure
2. cellular activities
3. ribosome

Question 3

Separates nucleus and plasma membrane

Answer 3

Nuclear envelope

Question 4

Circular arrangement of proteins

Answer 4

Nuclear pores

Question 5

Controls movement of substances between nucleus and cytoplasm

Answer 5

Nuclear pores

Question 6

Produces ribosomes

Answer 6

Nucleoli

Question 7

Each with a cluster ofDNA and RNA , NOT enclosed by a membrane

Answer 7

Nucleoli

Question 8

Cell’s hereditary unit

Answer 8

Genes

Question 9

Controls cellular structure and direct cell activities

Answer 9

Genes

Question 10

Complex of DNA, proteins and some RNA

Answer 10

Chroamtin

Question 11

Total genetic information carried in a cell/ organism

Answer 11

Genome

Question 12

Bead-like

Answer 12

Nucleosome

Question 13

Double-stranded DNA wrapped twice around the histones

Answer 13

Nucleosome

Question 14

Organizes and folds the DNA

Answer 14

Histones

Question 15

Strings between the beads; binds the chromatins and nucleosome

Answer 15

Linker DNA

Question 16

Coils the nucleosome, which then folds into larger loops

Answer 16

Chromatin fiber

Question 17

DNA replicates and the loopds condense more forming this pair

Answer 17

Chromatids