Prokaryotic Genetic Material Location
The genetic material of a prokaryotic cell is located in a specific region within the cytoplasm.
Understanding Prokaryote Structure
Prokaryotic cells, such as bacteria and archaea, are characterized by their lack of a membrane-bound nucleus. Consequently, their genetic material, which is typically a single, circular chromosome composed of DNA, is not enclosed within a nuclear envelope.
- Instead, the genetic material is concentrated in an irregularly shaped region within the cell called the nucleoid.
- The nucleoid region contains the cell's DNA, along with associated proteins, but lacks a surrounding membrane.
Evaluating Other Cell Components
The other options represent structures found primarily in eukaryotic cells or have different functions:
- Nucleus: This is the defining organelle of eukaryotic cells, housing the genetic material (linear chromosomes) within a double membrane. Prokaryotes lack a true nucleus.
- Nucleolus: Located inside the nucleus of eukaryotic cells, the nucleolus is involved in ribosome synthesis. It is absent in prokaryotes.
- Nucleosome: This is the fundamental structural unit of DNA packaging in eukaryotes, consisting of DNA wrapped around histone proteins. It relates to chromosome structure in eukaryotes, not the primary location of genetic material in prokaryotes.
Therefore, the correct location for the genetic material of a prokaryotic cell is the nucleoid.
Similar Questions
- In Polymerase Chain Reaction (PCR) primers are used to provide:
- To detect specific proteins in a sample we use:
- The most commonly used stain for visualising/observing the DNA fragments is:
- The target sequence in a DNA can be determined/ identified in Southern blotting by:
- R$_f$ value depends on:
- Barr body is an example of:
Repeated sequence TTAGGC in humans is present at :
AATCCG- The attachment site for microtubules that separates chromosomes during cell division:
- During denaturation which bonds in protein structure are NOT broken:
- The degradation of stored glycogen in liver and muscles is known as:
Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
