Search Results for: point
Point mutation
Definition noun, plural: point mutations (genetics) A small-scale mutation characterized by a change of only one nucleotide... Read More
Nodal points
nodal point One of two point's in a compound optical system so related that a ray directed toward the first point will... Read More
Nonsense mutation
A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
End-point nystagmus
End-point nystagmus a jerky, physiologic nystagmus occurring in a normal individual when attempts are made to fixate a point... Read More
Isoionic point
Definition noun The pH wherein a protein or a zwitterion in a deionized solution has equal number of cations and anions,... Read More
Silent mutation
A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More
Restriction point
The "point of no return" in the G1 phase of the cell cycle; once a cell proceeds beyond Start, it proceeds through the rest... Read More
Motor point
Definition noun, plural: motor points The most electrically excitable area of the muscle wherein a minimum amount of... Read More
Freezing point
Freezing point (Science: physics) The temperature at which a liquid solidifies. The temperature below which a liquid turns... Read More
Cardinal points
Cardinal points The four points in the pelvic inlet toward one of which the occiput of the baby is usually directed in case... Read More
Centromere
Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More
Revolution
revolution 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or... Read More
Physical Development in Humans
The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More
Rovsings sign
Rovsing's Sign Definition Rovsing's sign is when palpation on the left lower quadrant of the abdomen results in pain in the... Read More
Great Oxygenation Event
Great Oxygenation Event Definition The Great Oxygenation Event is defined as the surge of dioxygen (O2) levels in the... Read More
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Homeostatic Mechanisms and Cellular Communication
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More
Density dependent factor
Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... 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
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
Hypothesis
What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... 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