Lecture 2

Question 1

3 Steps of Cell Division

Answer 1

Replication, Segregation, Division

Question 2

What shape are the chromosomes of prokaryotes?

Answer 2

circular

Question 3

What shape are the chromosomes of eukaryotes?

Answer 3

linear

Question 4

How do prokaryotes divide?

Answer 4

Binary Fission

Question 5

How do eukaryotes divide?

Answer 5

mitosis/meiosis

Question 6

Nucleoid

Answer 6

non-membrane bound region of compacted DNA & proteins

Question 7

Where is the genetic material of prokaryotes contained?

Answer 7

Nucleoid

Question 8

1st level of DNA compaction in prokaryotes

Answer 8

loop domains

Question 9

2nd level of DNA compaction in prokaryotes

Answer 9

supercoils

Question 10

SMC proteins

Answer 10

DNA loops around them to create loop domains and compact

Question 11

What is the DNA sequence at which DNA replication begins on a chromosome?

Where does replication begin in prokaryotes?

Answer 11

Origin of Replication

Question 12

Where does replication end in prokaryotes?

Answer 12

Site of Termination

Question 13

FtsZ protein

Answer 13

facilitates division of cell in prokaryotes

Question 14

Septum

Answer 14

middle of cell surrounded by FtsZ proteins and shrinks to divide cell into two

Question 15

Septation

Answer 15

process in which prokaryotic cell physically divides into two cells

Question 16

What are the two levels of DNA compaction in bacterial chromosomes?

Answer 16

loop domains, supercoils