In a prokaryotic cell undergoing binary fission
A - VCE - SSCE Biology - Question 12 - 2016 - Paper 1
Question 12
In a prokaryotic cell undergoing binary fission
A. a circular molecule of DNA is replicated.
B. a nuclear membrane is synthesised.
C. spindle proteins are formed.
D.... show full transcript
Worked Solution & Example Answer:In a prokaryotic cell undergoing binary fission
A - VCE - SSCE Biology - Question 12 - 2016 - Paper 1
Step 1
A. a circular molecule of DNA is replicated.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
During binary fission in prokaryotic cells, the primary event is the replication of the circular DNA molecule. The DNA is copied, and each copy attaches to the cell membrane.
Step 2
B. a nuclear membrane is synthesised.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is incorrect. Prokaryotic cells do not have a nuclear membrane, as they lack a true nucleus.
Step 3
C. spindle proteins are formed.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This is also incorrect. Prokaryotic cells do not undergo mitosis and therefore do not form spindle proteins, which are associated with eukaryotic cell division.
Step 4
D. a cell plate is formed.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is incorrect for prokaryotes. A cell plate is a feature of plant cell division (during cytokinesis in eukaryotes), while prokaryotic cells divide through binary fission without forming a cell plate.
