Choose from the following statements the ones that correctly discuss reproductio
ID: 93737 • Letter: C
Question
Choose from the following statements the ones that correctly discuss reproduction using binary fission in a bacterial cell.
Select all that apply
a.Each daughter cell will contain an equal number of organelles. b.Due to the stretching of the cytoplasmic membrane, both cells will contain a complete genome. c.The daughter cell will be a permanently smaller copy of the mother cell but will contain a complete genome. d.Each daughter cell is an exact copy of the other, both genetically and morphologically.Explanation / Answer
Lets understand the basics first.
1. Organism depending on the cell structure are divided into Prokaryotes and eukaryotes.
* Prokaryotes= Pro + karyon. Pro means Incipient nucleus, Karyon means nucleus. i.e, nucleus with out envelope arround the chromosome.
Example: Bacterias
* Eukaryotes= Eu + Karyon. Eu means true. That means enveloped nucleus.
example: Unicellular and multicellular plants and animals.
ANSWER
Option A: Incorrect
bacteria's dont posses organelles. (Organells are membrane bound structures such as mitochondria, golgi apparatus and lysosomes). Hence it is not correct.
B: Incorrect
In binary fission the replication of the DNA occurs first which results in two exact copies of DNA (complete genome). The cell then elongates. Stretching of cytoplasmic membrane has no direct role in setting complete genome.
C: Incorrect
The daughter cell will defenitely contain a complete genome as mother cell. This is the reason we call them as clones (identical copies). But thes cells will not remain smaller, they grow and reproduce through binary fission.
D: Correct
The daughter cells are the exact copies as mother cells. One parent cell divides into two, two to four ....this is called exponential growth. We call it as clones since they are identical genetically and morphologically.