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What is the visual indication of a supercoiled plasmid on a gel electrophoresis image?
On a gel electrophoresis image, a supercoiled plasmid appears as a tight, condensed band that migrates faster than other forms of the plasmid, such as linear or relaxed circular forms.
Is RNA linear or circular?
RNA is typically linear, but some RNA molecules, like viroids and circular RNAs, can be circular in structure.
What are the genetic differences between bacteria cells and human body cells?
One key genetic difference is the presence of a nucleus in human cells, which bacteria lack. Human cells have linear chromosomes enclosed within the nucleus, while bacteria have a single circular chromosome located in the cytoplasm. Additionally, bacteria may have plasmids, small circular DNA molecules that are often absent in human cells.
Do prokaryotes have linear DNA in their genetic material?
No, prokaryotes do not have linear DNA in their genetic material. They typically have circular DNA molecules.
How does the rolling circle replication work?
Rolling circle replication is a mechanism used by some viruses and plasmids to replicate their circular DNA molecules. It involves the synthesis of a single DNA strand, which serves as a template for the production of multiple copies. The rolling circle mechanism starts with the nicking of a circular DNA molecule, followed by the synthesis of a new strand that displaces the original strand, forming a long single-stranded DNA loop. This loop can then be cleaved into unit-length copies to generate multiple identical circular DNA molecules.
What is the visual indication of a supercoiled plasmid on a gel electrophoresis image?
On a gel electrophoresis image, a supercoiled plasmid appears as a tight, condensed band that migrates faster than other forms of the plasmid, such as linear or relaxed circular forms.
Is RNA linear or circular?
RNA is typically linear, but some RNA molecules, like viroids and circular RNAs, can be circular in structure.
Do monera have circular DNA?
Yes, monera (bacteria and archaea) typically have circular DNA molecules in their cells. These circular DNA molecules are found in a region called the nucleoid, which is not enclosed within a membrane-bound nucleus like in eukaryotic cells.
A circular flow of warmer fluid and cooler fluid is called?
Molecules
Small circular molecules of extra DNA in bacteria are called what?
plasmids
How do the molecules of water move in a ocean wave?
In an ocean wave, water molecules move in circular orbital motions. As the wave travels, water molecules move in a vertical and circular pattern, returning to their original position as the wave passes. This orbital motion gradually diminishes with depth from the water surface.
Why are the fringes circular?
The fringes in interference patterns are circular because they represent regions of constructive and destructive interference of light waves. The circular shape results from the changing phase differences between the interfering waves across the entire wavefront.
What are the differences between linear and circular polarization?
Linear polarization refers to light waves that vibrate in a single plane, while circular polarization involves light waves that rotate in a circular motion. Linear polarization has a fixed orientation, while circular polarization has a continuously changing orientation.
What produced when gases or liquids rise and sink in a circular path due to temperature differences?
Convective mixing.
What do you call the circular motions of air?
The circular motions of air are called "air currents" or "wind." These movements result from differences in air pressure and temperature, which create high and low pressure systems that drive the flow of air in a circular pattern.
What exist in the mitochondria?
There are several things. Some are circular DNA,RNA,enzymes,organic molecules etc
Why does water in a wave move in a circle but not very far forward?
Water molecules in a wave move in circular orbits as the wave passes. The circular motion allows energy to be transferred along the wave, but the transfer of water molecules forward is minimal due to the circular motion cancelling out. This circular motion, in combination with wave refraction and stirring from wind, creates the overall movement pattern seen in waves.
