General Biology: Definitions and explanations page 11 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 11) for biology degree programs.
- What is Monosaccharide?
Simplest sugars that usually act as monomers to chain up and form larger chains of sugars ... - What is Monosomy?
Monosomy is an example of aneuploidy when the chromosomes fail to separate during meiosis. monosomy results ... - What is Morphogenesis?
Morphogenesis is the biological process that causes an organism to develop its shape. it is one ... - What is Morphological species concept?
Morphological species concept actually characterizes a species by body shape and other structural features and is ... - What is mRNA?
Messenger rna is a large family of rna molecules that convey genetic information from dna to ... - What is Mucus?
Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes. mucus serves to protect ... - What is Multifactorial character?
The type of hereditary pattern seen when there is more than one genetic factor involved and, ... - What is Multigene?
A gene family is a set of several similar genes, formed by duplication of a single ... - What is Multiple fruit?
Multiple fruits, also called collective fruits, are fruiting bodies formed from a cluster of fruiting flowers, ... - What is Multiplication rule?
Rule of multiplication if events a and b come from the same sample space, the probability ... - What is Muscular System?
The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. it permits ... - What are Mutagens?
Any physical or chemical agents that have the ability to alter the dna structure are known ... - What are Mutations?
Any kind of permanent changes in the nucleotide sequence of the dna is called a mutation. ... - What is Mutualism?
Mutualism describes the ecological interaction between two or more species where each species benefits. mutualism is ... - What is Mycelium?
Mycelium is the vegetative part of a fungus or even any fungus-like bacterial colony, consisting of ... - What is Mycorrhizae?
A mycorrhiza is a symbiotic association between a fungus and a plant. the term mycorrhiza generally ... - What is Mycosis?
In humans, skin mycoses include the disease ringworm, so named because it appears as circular red ... - What is Myoglobin?
Myoglobin is an iron- and oxygen-binding protein found in the muscle tissue of vertebrates in general ... - What are Natural killer cells?
Natural killer cells, also abbreviated to nk cells, are a type of cytotoxic lymphocyte that are ... - What is Natural selection?
Natural selection was first proposed by darwin. the individuals with the traits best suited for survival ... - What are Nephrons?
The nephron is the microscopic structural and functional unit of the kidney and comprises of a ... - What is Nervous system?
The nervous system is the part of an animal that coordinates its actions by transmitting signals ... - What is Nervous tissue?
The nervous tissue is also called neural tissue or nerve tissue. it is the main tissue ... - What are Neurohormones?
A neurohormone is any hormone produced and released by neuroendocrine cells into the blood. these neaurohormones ... - What are Neurons?
A neuron, also known as a nerve cell, is an electrically excitable cell that communicates with ... - What is Neurotransmitter?
Neurotransmitters are chemical signals that help in neurotransmission. these chemical messenger help transmit signals across a ... - What are Neurotransmitters?
Neurotransmitters are endogenous chemicals messengers that enable neurotransmission. it is a type of chemical messenger which ... - What is Neutral evolution?
The neutral theory of molecular evolution holds that most evolutionary changes at the molecular level, and ... - What are Neutrophils?
Neutrophils are also known as neutrocytes. these cells are the most abundant type of granulocytes and ... - What is Nitric oxide?
Nitric oxide (no) is fundamentally a gas and it functions in the body as both a ... - What is Nitrogen cycle?
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms ... - What is Nitrogen fixation?
Nitrogen fixation is a process by which nitrogen in the air is converted into ammonia (nh3) ... - What is No-till agriculture?
No-till farming is a way of growing crops or pasture from year to year without disturbing ... - What are Nodes?
Nodes is simply the place on a plant stem where a leaf is attached. ... - What are Nodules?
Many leguminous plants contain symbiotic bacteria called rhizobia within the nodules, producing nitrogen compounds that help ... - What is Non disjunction?
Sometimes due to an error during cell division, the chromosomes fail to separate properly. there are ... - What is Non sense mutation?
A point-nonsense mutation is a point mutation in a sequence of dna that results in a ... - What is Nonshivering thermogenesis?
Nonshivering thermogenesis is defined as an increase in metabolic heat production (above the basal metabolism) that ... - What is Notochord?
The notochord is a flexible rod made out of a material similar to cartilage. if a ... - What is Nuclear membrane?
Nuclear pores are small openings on the membrane of the nucleus which allows the entering of ... - What is Nuclear transplantation?
Nuclear transplantation is a method in which the nucleus of a donor cell is relocated to ... - What is Nuclease?
A dna cutting enzyme is named nuclease. many different types of nuclease are present that severe ... - What is Nucleic acid hybridization?
Single-stranded deoxyribonucleic acid (dna) or ribonucleic acid (rna) molecules anneal to complementary dna or rna. though ... - What is Nucleic acid probe?
A nucleic-acid fragment that is complementary to another nucleic-acid sequence and thus, when labeled in some ... - What are Nucleic acids?
Nucleic acids are small biopolymers that form the genetic material of essentially all known forms of ... - What is Nucleoid?
Prokaryotes do not have a nucleus. instead their dna is concentrated in a region inside the ... - What is Nucleolus?
The nucleolus is the largest structure which is present inside the nucleus of eukaryotic cells. it ... - What is Nucleosome?
A nucleosome is a basic unit of dna packaging in eukaryotes, consisting of a segment of ... - What is Nucleotide-pair substitution?
The replacement of a specific nucleotide pair by a different pair, often mutagenic. this is a ... - What is Nutrition?
Nutrition is the science that interprets the interaction of nutrients and other substances in food in ... - What are Obligate aerobes?
An obligate aerobe is an organism that requires oxygen to grow. through cellular respiration, these organisms ... - What are Obligate anaerobes?
Obligate anaerobes are microorganisms killed by normal atmospheric concentrations of oxygen (20.95% o2). oxygen tolerance varies ... - What is Ocean acidification?
When oceans uptake the carbon dioxide from air, the ph of the ocean decreases. this has ... - What is Okazaki fragment?
Dna replication happens on both the strands meaning that both strands serve as templates for the ... - What are Oncogenes?
Oncogenes are those genes that have a primary role in causing cancer. most normal cells undergo ... - What is Oogenesis?
Oogenesis is the variation of the ovum into a cell proficient to further develop when its ... - What is Open circulatory system?
Open circulatory systems is usually observed in crustaceans, insects, mollusks and other invertebrates. this is different ... - What is Operator?
Operator genes contain the code necessary to begin the process of transcribing the dna message of ... - What is Operon?
An operon is a functioning unit of dna containing a cluster of genes under the control ... - What is Oral cavity?
In animal anatomy, the mouth is also known as the oral cavity or the buccal cavity. ...