Lecture 02 Binary Fission, Prokaryotic chromosome structure (5)

Unicellular organism are…

-bacteria

-archaea

Multicellular organisms are….

-plants

-animals

Multi/unicellular organisms are _______________

-protists

-Fungi

Cell division is key for ____________

-reproduction

-growth

-wound healing

-replacing cells that die or are lost

Cell division requires 3 things

1.___________ of genetic material

2.Accurate _______ of genetic material

3._______ of cytoplasm between 2 cells

-Replication

-Segregation

-Division

Cell division needs to be _______ and ________ to environmental conditions

-controlled

-responsive

Prokaryotes are ______ + _________

-Bacteria

-Archaea

Eukaryotes are __________, ________________________________, ________________________________, and________________________

-plants

-animals

-protists

-fungi

Characteristics of Prokaryotes are

1. ______ cell size

2. Nucleus _____

3. ________ Membrane-bound organelles

4. DNA is _______ chromosomes

5. Cell Division is by ______ ______

-small

-absent

-No

-circular

-Binary Fission

Characteristics of Eukaryotes are

1. ______ cell size

2. Nucleus _____

3. ________ Membrane-bound organelles

4. DNA is _______ chromosomes

5. Cell Division is by ______ ______

-Large

-Present

-Has

-Linear

-mitosis/meiosis

Binary fission is a form of ______ reproduction. Genetic material is contained in the _________, which is a ______ membrane bound region

-asexual (one cell divides into 2 cells(clones)

-nucleoid

-non

The 1st level of DNA compaction is when _____ is looped around _____ ______ to form _______

-DNA

-SMC proteins

-loop domains

The 2nd level of DNA compaction is when ______ ______ compacted into __________

-DNA loops

-supercoils

During Binary Fission:

1st: cell __________

2nd: Circular bacterial chromosomes is _________

*replication begins at ______of _____ and proceeds in _____ ______ to _______ ________

-increases in size

-replicated

-origin of replication

-both directions

-site of termination

Lastly in Binary Fission ________ occurs which is the ___________________

1st: the ________ protein will form a _______ in the _______ of the cell called a ________

2nd: the Z-ring begins to ______ and ____ the cell

3rd: the ______ forms during ___ until the cell has ____ into 2 new cells

-Septation

-dividing of 2 cells

-Ftsz

-ring

-middle

-Z-Ring

-shrink

-divide

-septum

-Z-ring shrinks

-divided