239 results found

Search Results for: acts

Acts

No match for acts sorry, the term acts is not in the dictionary. Check the spelling and try removing suffixes like -ing and... Read More

Dopamine

Definition noun, plural: dopamines 3,4-dihydroxyphenethylamine (chemical formula: C8H11NO2); a neurotransmitter or a hormone... Read More

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

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

Antagonistic Muscle

Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More

Cytoplasm

Cytoplasm Definition The cell is known as the building block of all life. Blocks are made up of numerous particles and... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Selectively-permeable membrane

Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Hypothalamus

Definition noun, plural: hypothalami A small region of the forebrain comprised of several small nuclei, located between the... Read More

Digestive Enzymes

Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... Read More

Thrombin

Definition noun An activated form of factor II that is generated in blood clotting and acts as a catalyst during the... Read More

Sugar Homeostasis

Blood Sugar Regulation As described in Cell Biology tutorials, the body requires volumes of glucose in order to create ATP.... Read More

Physiological adaptation

If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Nicotinamide adenine dinucleotide phosphate

Definition noun A coenzyme made up of ribosylnicotinamide 5'-phosphate (nmn) coupled by pyrophosphatelinkage to the... Read More

Glucagon

Definition noun A peptide hormone (3485 D) produced by the alpha cells of the pancreas, and acts by stimulating the... Read More

Fool

Fool 1. One destitute of reason, or of the common powers of understanding; an idiot; a natural. 2. A person deficient in... Read More

Polysaccharide

Polysaccharide Definition Biology Definition: A polysaccharide is a carbohydrate formed by long chains of repeating units... Read More

Coenzyme

Enzymes can break down complicated large molecules into simpler smaller ones, they can combine small molecules or atoms to... Read More

Lignin

Definition noun An organic substance that acts as a binder for the cellulose fibers in certain plants adding strength and... Read More

Starch

Starch Definition Starch is a polysaccharide (C6H10O5)n consisting of a large number of glucose monomers joined together... Read More

Prolactin

Definition noun, plural: prolactins A peptide hormone secreted by lactotropic cell in the anterior pituitary of vertebrates,... Read More

Passions

passion 1. A suffering or enduring of imposed or inflicted pain; any suffering or distress (as, a cardiac passion);... Read More

Oxytocin – Of Love, Fear, and Anxiety

Oxytocin has long had a reputation of being the "love hormone". It engenders social bonding, attachment, intimacy, and... Read More

Basal surface

Definition noun (histology) The edge of the cell or tissue facing the underlying connective tissue (dentistry) The... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Flavin adenine dinucleotide

Definition noun plural: flavin adenine dinucleotides fla·vin ad·e·nine di·nu·cle·o·tide, ad·e·nine... Read More

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Plant sets off “SOS” for plant defense when it gets hurt

When herbivore, such as an insect, nibbles a plant leaf, the plant sets off an "SOS" or distress signal as one of the... Read More

Ribozyme

Definition noun, plural: ribozymes RNA molecule that acts as an enzyme in the aminotransferase activity of the ribosome and... Read More

Interludes

interlude 1. A short entertainment exhibited on the stage between the acts of a play, or between the play and the... Read More

White adipose tissue

Definition noun, plural: white adipose tissues A type of adipose tissue found in mammals used to store energy and acts as... Read More

Aldosterone

Definition noun, plural: aldosterones A mineralocorticoid with a chemical formula of C21H28O5, and controls salt and water... Read More

Prostaglandin F2-alpha

Definition noun, plural: prostaglandins F A biologically active prostaglandin that forms when the intermediate prostaglandin... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Human Reproduction

Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More

Membrane

Definition noun, plural: membranes (1) (biology) A thin layer of tissue covering a surface or lining a cavity, space or... Read More

Lipotropin

Definition noun, plural: lipotropins A polypeptide hormone of the anterior pituitary gland, presumably acts by promoting fat... Read More