44 results found

Search Results for: defective

Defective bacteriophage

Defective bacteriophage a temperate bacteriophage mutant whose genome does not contain all of the normal components and... Read More

Glucose

Glucose occurs naturally and is ubiquitous. It is one of the three most common monosaccharides; the other two are fructose... Read More

Glycolysis

What is Glycolysis and Why is it Important? Glycolysis is a metabolic pathway by which the 6-carbon molecule of glucose is... Read More

Hemolysis

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

Glycogenosis

Definition noun, plural: glycogenoses A metabolic disorder caused by a defective glycogen metabolism resulting in the extra... Read More

Peroxisome

Definition noun, plural: peroxiomes A cell organelle whose major function is for the breakdown of very long chain of fatty... Read More

Genetic disorder

Definition noun, plural: genetic disorders A disorder caused by genetic abnormality Supplement A genetic disorder is a... Read More

Mitochondrion

Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Austin disease

Definition noun A type of lysosomal storage disease that is often caused by a deficiency in multiple sulfatase enzymes, or... Read More

Carrier

Definition noun, plural: carriers (general) A person or object that transports or conveys. (immunology) An asymptomatic... Read More

Diabetes

Diabetes Definition Diabetes is a metabolic disorder characterized by excessive urine excretion (polyuria) and persistent... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Cancer

Cancer definition In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used... Read More

Chromosome 2

Definition noun In humans, the autosome that is considered as the second-largest, spanning more than 242 million base pairs,... Read More

Blood clotting factor

Definition noun, plural: blood clotting factors Any of the many plasma components involved in blood clot... Read More

Erythrocyte

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

Sex-determining Region Y gene

Definition noun The gene that codes for the SRY protein, which is associated with the testicular development in many male... Read More

Eumelanin

Definition noun An aggregate of pigment molecules, each made up of cross-linked 5,6-dihydroxyindole (DHI) and... Read More

Haemophilia A

Definition noun A form of haemophilia that is caused by a deficiency in blood clotting factor VIII due to a gene defect in... Read More

CRISPR DIY – biohacking genes at home

Have you ever thought of changing yourself for the better -- genetically-speaking? Lately, CRISPR company has been selling a... Read More

Non-Mendelian Inheritance

Reviewed by: Mary Anne Clark, Ph.D. The inheritance patterns seen in Mendel's monohybrid and dihybrid crosses... Read More

DNA polymerase II

Definition noun A DNA polymerase involved in DNA replication in prokaryotes, is encoded by polB gene, and composed of 783... Read More

Semilunar valve

The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More

Mucolipidosis

Definition noun A type of mucopolysaccharides and mucolipids Supplement Lysosomal storage disease is a collective term for... Read More

Osteomalacia

Definition noun, plural: osteomalacias The softening of bones due to defective bone mineralization. Supplement This... Read More

Pair-rule gene

Definition noun A segmentation gene whose expression subdivides the embryo into a series of stripes, and sets the boundaries... Read More

Bicoid

Definition noun (1) A kind of maternal-effect gene (as in bicoid gene) whose function is to code for products used for... Read More

Valine

Amino acids are categorized into two groups based on the capability of the human body to synthesize them; essential and... Read More

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Oncogene

Oncogene (Science: molecular biology, oncology) Mutated and/or overexpressed version of a normal gene of animal cells (the... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Mosaicism

Cells often go through many divisions before they become a part of an organism’s genetic make-up. This leaves room for... Read More

Organelle

The cell is regarded as the structural, functional, and biological unit of all organisms. It is a membrane-bound structure... Read More

Cystic fibrosis

Definition noun An autosomal recessive disorder caused by mutations in the gene that encodes for cystic fibrosis... Read More

Sickle cell anaemia

Definition noun A hereditary blood disorder resulting in anaemia due to a mutation in the allele coding for the beta chain... Read More

Frameshift mutation

Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More

Deficiency mutant

Deficiency mutant --> auxotrophic mutant mutant with a nutritional requirement not present in the wild type... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Spectrin

Definition noun plural: spectrins spec·trin, spĕk′trĭn A cytoplasmic membrane structure with contractile dimeric... Read More