BIOS 1300 lab exam 1 Ohio University

BIOS 1300 lab exam 1 Ohio University medial Answer- toward the midline distal Answer- further from the trunk inferior Answer- downward posterior Answer- toward the back superficial Answer- toward the surface lateral Answer- away from the midline superior Answer- upward anterior Answer- toward the front proximal Answer- closer to the trunk deep Answer- away from the surface supine Answer- laying on back prone Answer- laying on stomach coronal plane Answer- frontal. anterior and posterior positions oblique plane Answer- this plane is on a slant sagittal plane Answer- divides the body into left and right portions transverse plane Answer- divides the body into superior and inferior portions caudal Answer- inferior dorsal Answer- posterior cranial Answer- superior ventral Answer- anterior 1 / 2

what is the smallest particle of an element that retains the properties of that element Answer- atom what compromises the central nucleus Answer- protons and neutrons atomic number Answer- the number of protons atomic mass Answer- the sum of an atoms protons and neutrons what is an isotope Answer- atoms that have the same atomic number but different atomic weights how many electrons are held in the second valence shell Answer- 8e- what determines the chemical bonding properties of an atom Answer- the number of electrons in the valence shell sharing electrons Answer- covalent bond donates electrons Answer- ionic bonds what are the two properties of non polar covalent bonds Answer- sharing between bonds is equal and electron density is symmetrical electronegativity Answer- a measure of the tendency of an atom to attract a bonding pair of electrons polar covalent Answer- unequally shared non polar covalent Answer- equally shared electrolyte Answer- a substance that, when dissolved in water, results in a solution that can conduct electricity amino acid elements Answer- carbon, hydrogen, nitrogen, oxygen

• components of nucleotides Answer- nitrogenous base, monosaccharide, phosphate

group hydrogen bonds Answer- the bonds that are created at the nitrogenous bases between the complementary base pairs base pairs Answer- A-T T-A U-A G-C

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