69 results found

Search Results for: hemoglobin

Oxyhemoglobin

Definition noun, plural: oxyhemoglobins A bright red hemoglobin carrying oxygen molecule Supplement One of the main... Read More

Hemoglobinopathy

Definition noun, plural: hemoglobinopathies A genetic disorder resulting in an abnormal globin structure in the hemoglobin... Read More

Erythrocyte

Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More

Hemoglobin

Definition noun, plural: hemoglobins A biomolecule made up of haeme (i.e. oxygen-carrying, nonprotein, ferrous component)... Read More

Hemolysis

The breakdown or catabolism of red blood cells or erythrocytes that result in the expulsion of hemoglobin and other... Read More

Leukocyte

Leukocytes, also called the white blood cells (WBCs), inhabiting our immune system are the cells that exhibit astonishing... Read More

Paralogy

Science (genetics, molecular biology, genomics) genes or gene products that are homologous (descended from a common... Read More

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Red blood cell

Definition noun, plural: red blood cells The blood cell containing hemoglobin and functions primarily to transport... Read More

Genetic Control – On and Off Genes

Reviewed by: Mary Anne Clark, Ph.D. This lesson looks at the various factors involved that affect growth and... Read More

Genetic Mutations

Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More

Orthology

Science (genetics, molecular biology, genomics) genes or gene products that are homologous (descended from a common... Read More

Nonsense mutation

A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More

Effect of Chemicals on Growth & Development in Organisms

Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More

A Balanced Diet – Minerals and Proteins

Minerals Various minerals in the Earth's crust are required for a healthy balanced diet. These inorganic compounds have... Read More

Mineral

Mineral Definition A mineral (min·er·al, ˈmɪn.əɹ.əl) refers to any of the various naturally-occurring abiogenic... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Protein

Protein Definition Proteins are biomolecules comprised of amino acid residues joined together by peptide bonds.... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Erythropoiesis

Definition noun, plural: erythropoieses The hematopoiesis of red blood cells Supplement Hematopoiesis is the process of... Read More

Spheroprotein

Definition noun, plural: spheroproteins A type of protein characterized by being globular or spherical in shape, and... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Streptococcus

Definition noun, plural: streptococci (1) A genus of bacteria characterized by being coccus, Gram-positive, and occurring in... Read More

Micromolecule

Micromolecules Definition How to define micromolecule? Micromolecules are relatively small molecules that are combined... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Protein Variety

The sequence of amino acids determines which type of protein it is. It is synthesized from a DNA strand, each DNA strand... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Missense mutation

What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More

Hemolysin

Definition noun, plural: hemolysins An agent or substance that causes hemolysis, i.e. the lysis of red blood cells resulting... Read More

Blood

Definition noun (1) The circulating fluid (plasma) and suspended formed elements, such as red blood cells, white blood... Read More

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More

Macrophage

Definition noun, plural: macrophages A leukocyte whose main function is to eliminate cellular debris and foreign particles... Read More

Mononuclear leukocyte

Definition noun, plural: mononuclear leukocytes A leukocyte characterized by having a nucleus with only one lobe, as opposed... Read More

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More