BIOL 150 KU Exam 1 Questions with
Correct Verified Answers 100% Pass
Already Graded
Introduction:
This document contains the complete set of Exam 1 questions for
BIOL 150 at the University of Kansas (KU), with verified correct
answers. Topics include basic chemistry of life, macromolecules,
DNA and RNA structure, cell theory, organelles, membranes,
enzymes, genetics (Mendelian laws, Punnett squares), cellular
respiration, photosynthesis, and ecology fundamentals. This study
resource is graded and provides a reliable tool for exam
preparation.
Exam Questions and Answers:
molecule --- correct answer ---2 or more atoms joined together by
chemical bonds
chemical bonds --- correct answer ---connection that holds atoms
together
,molecular formula --- correct answer ---ex: H20 or O2
structural formula --- correct answer ---drawing of atoms bonded
together
How many elements are present in living organisms? --- correct
answer ---26
what elements make up 96% of the human body? --- correct answer
---H, O, N, C
electrons --- correct answer ---present within an energy level
octet rule --- correct answer ---higher energy level can hold 8 e-
valence electrons --- correct answer ---e- in the highest energy
shell
valence --- correct answer ---number of e- needed to fill the outer
shell;
the bonding capacity of an atom
,covalent bonds --- correct answer ---join atoms by SHARING
electrons to fill the outermost energy shell
nonpolar covalent bonds --- correct answer ---electrons shared
equally between 2 atoms
polar covalent bonds --- correct answer ---one element is more
partially negative and the other is more partially positive;
based on electronegativity
electronegativity --- correct answer ---attraction from electrons;
ex: O has higher compared to H
hydrogen bonds --- correct answer ---attraction between H and a
neighboring EN atom;
weaker than covalent bonds
ionic bonds --- correct answer ---complete donation of 1 electron to
another atom
chemical reactions --- correct answer ---breaking chemical bonds
and rearranging atoms to form a new molecules
, reactants --- correct answer ---compounds or elements that
combine in a chemical reaction
products --- correct answer ---the new resulting compounds or
elements in a chemical reaction
What is the universal solvent? --- correct answer ---water
solvent --- correct answer ---dissolving agent
solute --- correct answer ---substance dissolved
hydrophilic --- correct answer ---mix easily with water
hydrophobic --- correct answer ---do not mix with water
pH --- correct answer ----log[H+]
basic --- correct answer ---7.1 to 14 on the pH scale;
[OH-] > [H+]
neutral --- correct answer ---7 on the pH scale;
Correct Verified Answers 100% Pass
Already Graded
Introduction:
This document contains the complete set of Exam 1 questions for
BIOL 150 at the University of Kansas (KU), with verified correct
answers. Topics include basic chemistry of life, macromolecules,
DNA and RNA structure, cell theory, organelles, membranes,
enzymes, genetics (Mendelian laws, Punnett squares), cellular
respiration, photosynthesis, and ecology fundamentals. This study
resource is graded and provides a reliable tool for exam
preparation.
Exam Questions and Answers:
molecule --- correct answer ---2 or more atoms joined together by
chemical bonds
chemical bonds --- correct answer ---connection that holds atoms
together
,molecular formula --- correct answer ---ex: H20 or O2
structural formula --- correct answer ---drawing of atoms bonded
together
How many elements are present in living organisms? --- correct
answer ---26
what elements make up 96% of the human body? --- correct answer
---H, O, N, C
electrons --- correct answer ---present within an energy level
octet rule --- correct answer ---higher energy level can hold 8 e-
valence electrons --- correct answer ---e- in the highest energy
shell
valence --- correct answer ---number of e- needed to fill the outer
shell;
the bonding capacity of an atom
,covalent bonds --- correct answer ---join atoms by SHARING
electrons to fill the outermost energy shell
nonpolar covalent bonds --- correct answer ---electrons shared
equally between 2 atoms
polar covalent bonds --- correct answer ---one element is more
partially negative and the other is more partially positive;
based on electronegativity
electronegativity --- correct answer ---attraction from electrons;
ex: O has higher compared to H
hydrogen bonds --- correct answer ---attraction between H and a
neighboring EN atom;
weaker than covalent bonds
ionic bonds --- correct answer ---complete donation of 1 electron to
another atom
chemical reactions --- correct answer ---breaking chemical bonds
and rearranging atoms to form a new molecules
, reactants --- correct answer ---compounds or elements that
combine in a chemical reaction
products --- correct answer ---the new resulting compounds or
elements in a chemical reaction
What is the universal solvent? --- correct answer ---water
solvent --- correct answer ---dissolving agent
solute --- correct answer ---substance dissolved
hydrophilic --- correct answer ---mix easily with water
hydrophobic --- correct answer ---do not mix with water
pH --- correct answer ----log[H+]
basic --- correct answer ---7.1 to 14 on the pH scale;
[OH-] > [H+]
neutral --- correct answer ---7 on the pH scale;
