General Biology: Definitions and explanations page 14 PDF Book
Learn general biology terms with definitions and explanations, biology terminologies (Page 14) for biology degree programs.
- What is Protein phosphatase?
A phosphatase is an enzyme that removes a phosphate group from a protein which changes its ... - What is Protein?
A protein is one of the most important biological molecules which are formed by the translation ... - What is Proteome?
The proteome is the entire set of proteins that is, or can be, expressed by a ... - What are Proteomics?
Proteomics is the large-scale study of proteins. proteins are vital parts of living organisms, with many ... - What are Proto oncogenes?
Proto-oncogene is actually a normal gene which, when altered by mutation, becomes an oncogene that can ... - What is Protocells?
A protocell is a self-organized, endogenously ordered and spherical collection of lipids which has been proposed ... - What is Proton pump?
A proton pump is an integral membrane protein that helps the movement of protons inside or ... - What is Protoplast?
The protoplast comprises of the entire cell, excluding the cell wall. protoplasts can be generated by ... - What is Provirus?
Some viruses for example the retro viruses have he ability to incorporate their genome in the ... - What are Pseudogenes?
Pseudogenes, sometimes referred to as zombie genes in the media, are segments of dna that are ... - What is Pseudopodia?
A pseudopod is a temporary arm-like projection of a cell membrane of usually eukaryotes. this projection ... - What is Pulmocutaneous circuit?
Pulmocutaneous circulation is part of the amphibian circulatory system. it is responsible for directing blood to ... - What is Pulmonary circuit?
The pulmonary circulation is the portion of the circulatory system which carries deoxygenated blood away from ... - What is Pulse?
A pulse represents the tactile arterial palpation of the heartbeat by trained fingertips. the pulse may ... - What is Punnett Square?
The punnett square is a square diagram that is used to predict the genotypes of a ... - What is Purine?
Purines are heterocyclic aromatic organic compound that consist of two rings; one is a pyrimidine ring ... - What is Pyrimidine?
Pyrimidine is an aromatic heterocyclic organic compound that is composed of one ring. in nucleic acids ... - What is Quantitative character?
A quantitative trait is a measurable phenotype that depends on the cumulative actions of many genes ... - What is Radial symmetry?
Radially symmetric organisms resemble a pie where several cutting planes produce roughly identical pieces. such an ... - What is Radioactive isotope?
A radioactive isotope is a different specie of the same element. a radioactive atom that has ... - What is Radiometric dating?
Radiometric dating is a technique used to date materials such as rocks or carbon, in which ... - What is Radula?
The radula is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. ... - What is Ras protein?
Ras is a family of related proteins which is expressed in all animal cell lineages and ... - What is Reading frame?
A reading frame is a way of dividing the sequence of nucleotides in a nucleic acid ... - What are Receptor tyrosine kinases?
Receptor tyrosine kinases are a group of proteins that are the high-affinity cell surface receptors for ... - What is Recessive allele?
A recessive allele can only express itself when it is in the homozygous form. a good ... - What is Recombinant bacterium?
Recombinant dna (rdna) molecules are dna molecules formed by laboratory methods of genetic recombination for example ... - What are Recombinant chromosomes?
Recombinant chromosomes are formed when there is shuffling of genetic material between the homologous chromosomes. this ... - What is Recombinant DNA?
Recombinant dna (rdna) molecules are dna molecules formed by laboratory methods of genetic recombination for example ... - What is Rectum?
The rectum is the final straight portion of the large intestine in humans and some other ... - What is Redox Reaction: Oxidation?
When a specie gains protons or oxygen atoms its said to have oxidizing properties. in other ... - What is Reducing agent?
The agent is itself being oxidized is called the reducing agent. a reducing agent is typically ... - What is Reduction?
Reduction is the gain of electrons or a decrease in the oxidation state of an atom ... - What is Regulator?
Regulators regulate their bodies to remain at a relatively constant temperature. while in the past such ... - What are Regulatory genes?
A regulator gene or a regulator is a gene that is involved in controlling the expression ... - What is Relative fitness?
The fitness of an organism is the quantitative representation of natural and sexual selection within evolutionary ... - What is Repetitive DNA?
Repeated sequences are also known as repetitive elements, repeating units or repeats, and are patterns of ... - What is Replication fork?
Replication fork is a characteristic feature of replication of dna. the replication fork is actually the ... - What are Repressible enzymes?
An enzyme that is produced continuously unless production is repressed by excess of an inhibitor. repressible ... - What is Repressor?
The repressor proteins work with the operons. the main function of it is to bind to ... - What is Reproductive System?
The reproductive system consists of a system of an organism which works together for the purpose ... - What is Residual volume?
Residual volume is the amount of air that remains in a person's lungs after fully exhaling. ... - What are Respiratory pigments?
A respiratory pigment is a molecule that increases the oxygen-carrying ability of the blood. the four ... - What is Respiratory system?
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs ... - What are Restriction enzymes?
Restriction enzymes are those enzymes that have specific cutting sites on the dna. they will not ... - What is Restriction fragment?
A restriction fragment is a dna fragment resulting from the cutting of a dna strand by ... - What is Restriction site?
Restriction sites, or restriction recognition sites, are locations on a dna molecule containing specific sequences of ... - What is Retrovirus?
A retrovirus is a type of rna virus that inserts a copy of its genome into ... - What is Reverse transcriptase?
A reverse transcriptase (rt) is an enzyme used to generate complementary dna (cdna) from an rna ... - What is Rheumatoid arthritis?
Rheumatoid arthritis is a long-term autoimmune disorder that primarily affects joints. it normally results in warm, ... - What is Ribosomes?
Ribosomes comprise a complex macromolecular machine and are the primary sites where the protein translation takes ... - What are Ribozymes?
A ribozyme is a ribonucleic acid or an rna enzyme that catalyzes a chemical reaction. the ... - What is RNA polymerase?
Rna polymerase is an enzyme that produces rna and catalyzes the initiation and elongation of rna ... - What is RNA primer?
The dna replication cannot just begin on its own on the template strand. one of the ... - What is RNA splicing?
Rna splicing is a process that removes the intervening, non-coding sequences of genes, which are also ... - What is RNA?
Ribonucleic acid is also like the dna molecule except it has a different sugar. it is ... - What is Root cap?
The root cap is a type of tissue at the tip of a plant root. it ... - What are Root hairs?
A root hair, or absorbent hair, the rhizoid of a vascular plant, is a tubular outgrowth ... - What is Root pressure?
Root pressure is the transverse osmotic pressure within the cells of a root system that causes ... - What is Root system?
The root system of a plant constantly provides the stems and leaves with water and dissolved ...