MCAT Kaplan Flashcards
Coding Strand
The strand of DNA that is not used as a template during transcription.
AKA the sense strand
Glycosidic Linkage
The bond between the anomeric carbon of a sugar and another molecule.
Cooperativity
The interaction between subunits of a multisubunit protein in which binding of substrate to one subunit increases the affinity of other subunits for the substrate; unbinding of substrate from one subunit decreases the affinity of other subunits for the substrate.
Transcription Factors
Proteins that help RNA polymerase II locate and bind to the promoter region of DNA.
Leading Strand
The template stand is read in the 3’ to 5’ direction.
The strand of DNA that is continuously synthesized in the 5’ to 3’ direction.
Aggression
A behaviour with the interaction to cause harm or increase relative social dominance; can be physical or verbal.
Misinformation Effect
A phenomenon in which memories are altered by misleading information provided at the point of encoding or recall.
Implicit Memory
Memory that does not require conscious recall; consists of skills and conditioned behaviours.
Reciprocal Determinism
In the social cognitive perspective, the notion that thoughts, feelings, behaviours, and environment interact to determine behaviour in a given situation.
Mental Set
A tendency to repeat solutions that have yielded positive results at some time in the past.
Forebrain
A portion of the brain that is associated with complex perceptual, cognitive, and behavioural processes such as emotion and memory.
Somatosensation
The sense of “touch”, which contains multiple modalities; pressure, vibration, pain and temperature.
Median
The simplest division of a set of values; the middle value that divides the values into the upper and lower halves.
Second Messenger
A small molecule that transduces a hormonal signal from the exterior of the cell to the interior. Usually released when a peptide hormone binds to its receptor.
cAMP is a common example.
Veins
Vessels that carry blood toward the heart. These vessels are thin-walled and have valves to prevent backflow.
Conjugation
The temporary joining of two organisms via a tube called a pilus, through which genetic material is exchanged.
A form of sexual reproduction used by bacteria.
Foramen Ovale
A shunt that connects the right atrium to the left atrium in order to bypass the fetal lung.
Surfactant
A liquid substance produced by the lung that reduces surface tension in the alveoli.
This liquid prevents lung collapse and decreases the effort needed to expand the lungs (inhale).
Rh Factor
Introduction of Rh factor into the blood of a person who is Rh- may result in a fatal hemolysis reaction.
A surface protein expressed on red blood cells that can induce an immune response.
Halogens
Elements found in Group VIIA (Group 17) of the periodic table.
Free Radical
An atom or molecule that has an unpaired electron in its outermost shell.
Mass
A scalar quantity used as a measure of an object’s inertia.
Configurational Isomers
Isomers that can only interconvert by breaking bonds.
Includes enantiomers, diastereomers, and cis-trans isomers.
Nuclear Magnetic Resonance (NMR) Spectroscopy
A technique that measures the alignment of magetic moments from certain molecular nuclei with an external magnetic field.
Can be used to determine the connectivity and functional groups in a molecule.