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Chapter 10
How Cells Divide
BIOLOGY
Thirteenth Edition
Raven, Johnson, Mason, Losos,
Duncan
© 2023 McGraw Hill, LLC. All rights reserved. Authorized only for instructor use in the classroom.
No reproduction or further distribution permitted without the prior written consent of McGraw Hill, LLC.
, Bacterial Cell Division
Bacteria divide by binary fission
• No sexual life cycle.
• Reproduction is clonal.
Single, circular bacterial chromosome is replicated
Replication begins at the origin of replication and proceeds in
two directions to site of termination
New chromosomes are partitioned to opposite ends of the
cell
Septum forms to divide the cell into two cells
© McGraw Hill, LLC 2
, Binary Fission
Figure 10.1,1-3 Access the text alternative for slide images.
© McGraw Hill, LLC 3
, Binary Fission: Septation and Division
Figure 10.1,4-5 Access the text alternative for slide images.
© McGraw Hill, LLC 4
Chapter 10
How Cells Divide
BIOLOGY
Thirteenth Edition
Raven, Johnson, Mason, Losos,
Duncan
© 2023 McGraw Hill, LLC. All rights reserved. Authorized only for instructor use in the classroom.
No reproduction or further distribution permitted without the prior written consent of McGraw Hill, LLC.
, Bacterial Cell Division
Bacteria divide by binary fission
• No sexual life cycle.
• Reproduction is clonal.
Single, circular bacterial chromosome is replicated
Replication begins at the origin of replication and proceeds in
two directions to site of termination
New chromosomes are partitioned to opposite ends of the
cell
Septum forms to divide the cell into two cells
© McGraw Hill, LLC 2
, Binary Fission
Figure 10.1,1-3 Access the text alternative for slide images.
© McGraw Hill, LLC 3
, Binary Fission: Septation and Division
Figure 10.1,4-5 Access the text alternative for slide images.
© McGraw Hill, LLC 4
