Gametogenesis is a process of formation of highly specialized haploid gametes in animal organisms and humans. The process takes place in the gonads through meiosis. In male organisms, the process is called spermatogenesis, in female&hellip
Posts By Dr. Mariam Bozhilova
Similarities Between Fungi and Plants
What are Fungi? Fungi are eukaryotic heterotrophic organisms. They have some shared features with animals, and others – with plants. However, they are characterized by some specific features and form a separate, distinct group –&hellip
Similarities Between Bacteria and Fungi
What is Bacteria? Bacteria are single-celled prokaryotic organisms with microscopic size. Their cells do not have a nucleus and membrane-bound organelles. The cells of bacteria consist of: Cell wall, often with a mucous envelope; Cell&hellip
Similarities Between Bacteria and Fungi
What is Bacteria? Bacteria are single-celled prokaryotic organisms with microscopic size. Their cells do not have a nucleus and membrane-bound organelles. The cells of bacteria consist of: Cell wall, often with a mucous envelope; Cell&hellip
Similarities Between Oogenesis and Spermatogenesis
Gametogenesis is a process of formation of highly specialized haploid gametes in animal organisms and humans. The process takes place in the gonads through meiosis. In male organisms, the process is called spermatogenesis, in female&hellip
Similarities Between Aerobic and Anaerobic Respiration
The cellular respiration is a process of transferring the energy from glucose to adenosine triphosphate (ATP). The cells break down the molecules of glucose and release energy, which is used to produce ATP. The energy&hellip
Similarities Between Fungi and Plants
What are Fungi? Fungi are eukaryotic heterotrophic organisms. They have some shared features with animals, and others – with plants. However, they are characterized by some specific features and form a separate, distinct group –&hellip
Similarities Between Aerobic and Anaerobic Respiration
The cellular respiration is a process of transferring the energy from glucose to adenosine triphosphate (ATP). The cells break down the molecules of glucose and release energy, which is used to produce ATP. The energy&hellip
Similarities Between Prokaryotic and Eukaryotic Cells
The cells are the basic autonomous biological, structural, and functional units of all living organisms. There are two main types of cells – Prokaryotic Eukaryotic The main difference between these two types of cells is&hellip
Similarities Between Ionic Bonds and Covalent Bonds
What is Ionic Bond? Definition and few Characteristics The ionic bond occurs between the atoms of elements with a big difference in their electronegativity. When the atoms of such elements interact one of them provides&hellip
Similarities Between a Virus and Bacteria
What does Virus mean? Definition and Characteristics The virus is a microscopic pathogen that infects cells in living organisms. The term virus usually refers to those pathogens, infecting eukaryotic organisms, and the term bacteriophage or&hellip
Difference Between Chromatin and Nucleosome
What is Chromatin? Chromatin is a complex of DNA, RNA, and proteins, found in eukaryotic cells. Its main proteins are the histones. They are containing a big quantity of amino acids (arginine and lysine), facilitating&hellip
Difference Between Centrosome and Centromere
What is Centrosome? The centrosome is a cell organelle, serving as the main center for microtubule organization and regulator of the progression of the cell-cycle. It has evolved only in the eukaryotic animal cells, the&hellip
Difference Between Anoikis and Apoptosis
What is Anoikis? The anoikis is a type of programmed cell death (a particular type of apoptosis), induced upon the separation of a cell from the extracellular matrix. It is a mechanism, preventing the adherent-independent&hellip
Similarities Between Actinides and Lanthanides
The actinides and lanthanides are two big families of iso-structural, natural and synthesized chemical elements. They are called f- elements, due to the fact that the last electron of their atoms enters the f-orbital. Due&hellip
Similarities Between Active Transport and Facilitated Diffusion
Active transport and facilitated diffusion are two ways of transport of ions and molecules through the cell membrane, executed through a membrane carrier. What is Active Transport? The movement of ions and molecules across a&hellip
Similarities Between Binary Fission and Cell Division
The cells are propagated by division – a process in which the content of the mother cell is divided into two newly-derived daughter cells. The cell division is three types: binary fission – simple division&hellip
Similarities Between Act Utilitarianism and Ethical Egoism
Consequentialism is a group of ethical theories. Its central point is that the moral value of each particular action can be judged only in terms of the consequences that arose from it. Typical representatives of&hellip
Difference Between Hilum and Micropyle
What is Hilum? The hilum is a scar on the seed coat, marking the place where the seed was attached to the ovary tissue (via the funiculus). It is controlling the relationships between the external&hellip
Difference Between Centromere and Telomere
What is Centromere? The part of a chromosome, determining the kinetochore formation and the cohesion of the sister chromatids, is called centromere. The centromere is the site of assembly of the kinetochore – a complex&hellip
Difference Between Anomers and Epimers
The isomers are molecules with equal molecular formula, but with a different structure (structural isomerism) or different spatial orientation (stereoisomerism). The isomers have an equal number of atoms of each chemical element, but different arrangements of these&hellip
Difference Between Pulmonary Artery and Pulmonary Vein
The cardiovascular system consists of heart and blood vessels. Its function is to transport oxygen, nutrients, hormones, and cellular waste products throughout the body. In the human body the blood circulates through two circulatory loops:&hellip
Difference Between Valency and Covalency
What is Valency? The property of the atoms of an element to be chemically bonded to an exact number of atoms of other elements is called valency. Valency is an integer that shows how many&hellip
Difference Between Hydra and Obelia
Hydra and Obelia are two genera of small aquatic animals of the phylum Cnidaria, class Hydrozoa. What is Hydra? Hydra is a genus of small diploblastic freshwater animals from the class Hydrozoa. The representatives of the genus are up&hellip
Difference Between Meristematic Tissue and Permanent Tissue
According to their main function, plant tissues are subdivided into: meristematic tissues – serve the plants’ growth and permanent tissues – perform all other functions. What is Meristematic Tissue? After germination, the formation and growth&hellip
