What Did The Experiments By Hammerling On Acetabularia Prove?
Experiments on Acetabularia by Hammerling proved the role of the nucleus in heredity. Acetabularia which was used in Hammerling’s nucleocytoplasmic... View Article
Latest Posts
Which Technique Can Be Used To Study The Means Of Binding Of A Specific Protein On Regulatory DNA Sequence?
X-rays crystallography is a technique that can be used to know about the binding protein on the regulatory DNA sequence.... View Article
What Are Balbiani Rings Sites Of?
Balbiani rings (puffs) are the site of protein and RNA synthesis. The chromosomes exhibit distinct light and dark bands. Dark... View Article
What Are The Two Poles Of A Golgi Apparatus Called?
In Golgi apparatus, the two poles are cis face (receiving department) and trans face (shipping department). Besides giving out secretory... View Article
What Are The Desmosomes Concerned With?
The desmosomes are concerned with cell adherence. In them, the circular spots of cell membranes are retained together by the... View Article
What Is Colchicine?
Colchicine is an alkaloid acquired from the autumn crocus, Colchicum autumnale. During mitosis, it hinders the spindle formation in cells... View Article
Does Spherosomes Have A Single Membrane?
The spherosomes or Oleosomes are spherical bodies, with a width of 0.51 mm enveloped by one unit membrane. They participate... View Article
What Are Chromophores?
Phytochrome is a plant pigment that detects the absence or presence of light. It is involved in regulating several processes... View Article
What Is The Ability Of A Living Somatic Plant Cell To Develop Into A Complete Plant Called?
Totipotency is the capacity of a living somatic plant cell to develop into a complete plant. Steward first illustrated this... View Article
What Is The Constituency Of Telomeres Of Eukaryotic Chromosomes?
The telomeres of eukaryotic chromosomes comprise short sequences of guanine rich repeats. In eukaryotes, the telomeres are extremely conserved elements,... View Article
Which Is The Chief Organelle Involved In The Modification And Outing Of Newly Synthesized Proteins To Their Destinations?
It is the endoplasmic reticulum. The proteins which form on ribosomes move into the endoplasmic reticulum lumen (here they are... View Article
What Is The Basis Of The Chemiosmotic Theory Of ATP Synthesis In The Chloroplasts And Mitochondria?
The simple answer to it is a proton gradient. Mitchell proposed the idea of chemiosmotic coupling. The chemiosmotic coupling hypothesis... View Article
What Is The Point At Which Two Chromatids Of A Chromosome Held Together Called?
Centromere is the point at which the two chromatids of a chromosome are held together. The spindle fibres (on which... View Article
When Do Two Units Of Ribosome Separate?
Ribosomes are very tiny organelles with a diameter of 150 Å – 250 Å. Each ribosome comprises two subunits, a... View Article
Which Structure Is An Effective Transport Pathway Between Two Adjacent Cells?
Plasmodesmata are tiny cytoplasmic strands connecting the protoplasts of neighbouring plant cells by moving through their cell walls. They are... View Article
Are Cristae Found In Mitochondria?
Each mitochondrion is a double membrane bound structure with the inner and outer membrane distinctly dividing their lumen into two... View Article
Name One Structure That Is An Organelle Within An Organelle?
Ribosomes are found in all living cells except for the mammalian erythrocytes (red blood corpuscles). Ribosomes are of two types,... View Article
What Makes Chromoplasts Reddish Or Yellow In Colour?
Chromoplasts are reddish or yellow in colour due to the presence of carotenoid pigments. Chromoplasts are formed either from chloroplasts... View Article
How Is The Capsule Related To The Glycocalyx?
Glycocalyx is a sticky, gelatinous substance collecting outside the cell wall of bacteria forming an added surface layer. When this... View Article
What Is Post Translational Modification?
Post translational modification (PTM) is a step in protein biosynthesis. Proteins are generated when the ribosomes translate mRNA into polypeptide... View Article
