Biology Exam 1 Test
Enter the letter for the matching Definition
| A. Outer shell of an atomB. intelligent entityC. Neutral ChargeD. Same element that have the same number of protons but different numbers of neutronsE. identity of the elementF. are a type of chemical bond where two atoms share a pair of electrons with each otherG. Mass of the atom of different elementH. Any chemical reaction in which a material gives up electrons, as when the material combines with oxygenI. the uptake of fluid and dissolved substances by a cell by invagination and pinching off of the cell membraneJ. the scientific process of transferring fluid between moleculesK. The smallest particles of an element L. the transport of solid matter or liquid into a cell by means of a coated vacuole or vesicle (distinguished from exocytosis)M. A form when one atom gives up one or more electrons to another atomN. Positive ChargeO. Center core of an atom P. outer space birth earthQ. A kind of transport by which ions or molecules move along a concentration gradient, which means movement from an area of higher concentration to an area of lower concentrationR. The movement of ions or molecules across a cell membrane in the direction opposite that of diffusion, that is, from an area of lower concentration to one of higher concentrationS. Negative ChargeT. a type of chemical bond where a pair of electrons is unequally shared between two atoms |
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