Cilia and Flagella are tiny structures attached to eukaryotic and prokaryotic cells. They protrude from the surface of their cells. These structures help in the locomotion of unicellular organisms. Accordingly, they mainly contain proteins called microtubules or basal bodies. In the case of single-celled eukaryotic organisms, both cilia and flagella are vital for locomotion.
Transcription is the process by which the genetic information stored on DNA strands is transferred into an RNA-RNA strand via the polymerization process caused by enzymes known as DNA-dependent polymerases.
Mitochondria originates of the Greek word meaning’mitos’ thread and ‘chondrios’-granule. Mitochondria are also referred to as the “powerhouse of cells’ because their primary purpose is to generate energy through the process of ATP.
Unicellular organisms that don’t possess membrane-bound organelles, such as nucleus and mitochondria are known as prokaryotic cells. They are classified into two groups based on the constituents of the cell wall Bacteria as well as Archaea.
An anion can be described as an atom, or an atom group bearing either negative or positive electrical charges.
A Chromosome is a thread-like form found in the nucleus or nuclear region of cytoplasm. It’s made of one DNA molecule (Deoxyribonucleic acid) and proteins, which carry certain or all of the genetic materials in an organism.
The animals that are cold-blooded are those who are incapable of controlling their body’s temperature in accordance with temperatures of their environment.
Natural selection is the process that allows an organism to adapt to changing environmental conditions through the introduction of changes in the genotype of its genetic material.
The major distinction between simple and facilited diffusion is that simple diffusion is not accompanied by the involvement of the channel or carrier proteins whereas the facilitated one takes place through channels or protein carrier proteins.
Spermatogenesis is the process of the formation of haploid sperms from a diploid stem cell known as spermatogonium.
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