349 results found

Search Results for: effect

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Genetic drift

Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... 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

Synergistic effect

Synergistic Effects Definition In biology, synergistic effects are the effects when chemical substances or biological... Read More

Maternal-effect gene

Definition noun, plural: maternal-effect genes (1) A gene from the mother's genome in which its phenotype in the zygote is... Read More

Zygotic-effect gene

Definition noun, plural: zygotic-effect genes (1) Any of the genes expressed in the early embryo. (2) Any of the genes... Read More

Pasteur effect

Definition noun The inhibiting effect of oxygen on the fermentation process. Supplement The effect was discovered in 1857 by... Read More

Fahraeus-lindqvist effect

Fahraeus-lindqvist effect The decrease in apparent viscosity that occurs when a suspension, such as blood, is made to flow... Read More

Antagonistic effect

Definition noun The effect produced by the contrasting actions of two (or more) chemical groups Supplement An example of... Read More

Adverse effects

Adverse effect this is an abnormal or harmful effect to an organism caused by exposure to a chemical. It is indicated by... Read More

Additive effect

Additive effect (Science: biochemistry, chemistry) An additive effect is the overall biological effect two chemicals acting... Read More

Crabtree effect

Definition noun The aerobic production of ATP, inhibition of cell respiration, and production of ethanol as coupled events... Read More

Enhancement effect

Enhancement effect property of higher plant photosynthesis, discovered by robert Emerson. The quantum yield of red light... Read More

Red drop effect

red drop effect experimental observation that the photosynthetic efficiency of monochromatic light is greatly reduced above... Read More

Dosage effect

Dosage effect The alteration of a phenotype by an increased dosage, or amount, of the product of the... Read More

Founder effect

Founder effect The establishment of a new population by a few original founders (in an extreme case, by a single fertilized... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Allee effect

The Allee effect is a phenomenon in biology characterized by a correlation between population size or density and the mean... 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

Effect

Effect The result produced by an... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Antagonism

Definition noun (1) (physiology) The result of the interaction between structures, chemical agents, or diseases that have... Read More

Pollution in Freshwater Ecosystems

As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Complete dominance

Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Allele

Allele Definition What are alleles? An allele is a term coined to describe a specific copy of a gene. Genes, the DNA... 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

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Effects of Gravity on Sleep

Gravity is a natural phenomenon that affects all things particularly all living creatures from cell to human being. It has... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Addressing the Unmet Medical Need for Safe and Effective Weight Loss Therapies

Perspective Addressing the Unmet Medical Need for Safe and Effective Weight Loss Therapies Cynthia M. Arbeeny Address... Read More

Effector

Definition noun, plural: effectors (biochemistry) A molecule that binds to a protein and affects the function of that... Read More

Pleiotropy

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

Synergist

Definition noun, plural: synergists (1) (physiology) Any structure or agent that produce synergy, i.e. enhance an effect (2)... 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

Carbon dioxide

Carbon Dioxide Definition noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the... Read More

Vmax

Vmax Definition Vmax is the maximal reaction rate or velocity of an enzymatically catalyzed reaction when the enzyme is... Read More