MCAT MCAT Meaning by word 105

globular parts of a protein separated by more diffuse areas of the polypeptide chain

nodule of lymph tissue at the back of the throat that enlarges to help fend off infections

a situation where action must be taken straight away

someone who specializes in genetics; the study of genes and heredity

carbohydrate containing many sugar units

color

metallic element with a high atomic number (83) used to make alloys

thrombocyte; cytoplasmic body with the function to promote blood clotting

a group of cells with the same shape and function

monthly cycle in the female reproductive system

movement of gases from an area of high concentration to an area of low concentration

a junction between two nerve endings

nodule of lymph tissue at the back of the throat that enlarges to help fend off infections

a sequence of amino acids; food needed for growth and repair

organism that depends on autotrophs for their food and energy

the attractive force that connects atoms together as a molecule or ions as a crystal

molecule differing only in the spatial arrangement around a single carbon atom

organ in the thorax involved in T-cell immune function

all the channels that carry urine

stituation created when microbes enter the body and cause a disease

abdominal organ where a baby develops before birth; the womb

internal diameter of blood vessels; hole

a combination of reacting particles (atoms; molecules or ions) when they are at the top of the activation energy barrier between the products and the reactants

all the channels that carry urine

muscle on the upper arm that moves the elbow

muscle separating abdomen from thorax

the eardrum

system that controls daily cycles such as blood pressure, sleep rhythms and hormone release; body clock

achromatic filaments forming a spindle during cell division

a metal showing few properties of the transition metals