UTA MICROBIOLOGY ACTUAL EXAM PAPER 2026 QUESTIONS WITH SOLUTIONS GRADED A

UTA MICROBIOLOGY ACTUAL EXAM PAPER
2026 QUESTIONS WITH SOLUTIONS GRADED
A+

◉ Atom. Answer: the smallest unit of matter that retains the properties
of an element
protons, neutrons, electrons


◉ Electron. Answer: negatively charged particle


◉ Proton. Answer: positive charge


◉ Neutron. Answer: neutral charge


◉ Element. Answer: same atomic number


◉ Isotopes. Answer: Atoms of the same element that have different
numbers of neutrons


◉ Anion. Answer: negative, gain electron

, ◉ Cation. Answer: positive, lose electron


◉ valence electrons. Answer: electrons in the outermost shell


◉ ionic bond. Answer: charge attraction between 2 ions (cation & anion)
Na+ and Cl- form NaClC


◉ covalent bond. Answer: 2 atoms share electrons


◉ Molecule. Answer: two or more atoms share electrons through
covalent bonds


◉ Compound. Answer: two or more different elements


◉ non polar covalent bond. Answer: electrons are shared equally


◉ polar covalent bond. Answer: A covalent bond in which electrons are
not shared equally


◉ nonpolar molecule. Answer: no charge because equal
electronegativites