UMN BIOL 1009 Exam 1
Questions & Answers Dean
Scott 2026/2027 University
of Minnesota
Verified Answers Exam Ready 322 QUESTIONS
DOCUMENT OVERVIEW
This document provides 322 questions with their verified correct answers, covering
fundamental principles of general biology. It is suitable for comprehensive study, in-depth
review, and preparation for certification exams.
TOPICS
• Matter and Atomic Structure • Chemical Bonding and Molecular
Structure
• Water Properties and Solutions • Acids, Bases, and pH
• Organic Chemistry and Carbon • Cellular Structures and Microscopy
• Eukaryotic Cell Organelles I • Eukaryotic Cell Organelles II
• Cellular Connections and Extracellular • Membrane Structure and Function
Matrix
• Membrane Transport • Macromolecules: Carbohydrates and
Lipids
• Macromolecules: Proteins • Macromolecules: Nucleic Acids and
Viruses
Page 1
, E XA M Q U EST I O N S
Q1 QUESTION 1 OF 322
matter
ANSWER
anything that takes up space and has mass, made up of elements
Q2 QUESTION 2 OF 322
element
ANSWER
cannot be broken into a simpler substance
92 naturally occurring
Q3 QUESTION 3 OF 322
compound
ANSWER
substance consisting of two or more different elements in a fixed ratio eg: NaCl sodium
chloride
Q4 QUESTION 4 OF 322
properties of compounds
ANSWER
properties of compounds are different than those of the elements which make it up
Page 2
, Q5 QUESTION 5 OF 322
oxygen, carbon, hydrogren, nitrogen
ANSWER
essential elements that make up 96% of human body
Q6 QUESTION 6 OF 322
trace elements
ANSWER
required by living organisms in small quantities
Q7 QUESTION 7 OF 322
atom
ANSWER
smallest unit of matter that still retains its properties
Q8 QUESTION 8 OF 322
protons, neutrons, electrons
ANSWER
examples of subatomic particles
protons (pos) neutrons (neutral) electrons (negative)
Q9 QUESTION 9 OF 322
atomic nucleus
Page 3
, ANSWER
protons and neutrons at the center of the atom.
Q10 QUESTION 10 OF 322
atomic number
ANSWER
number of protons in an atom which is unique to the element.
Q11 QUESTION 11 OF 322
mass number, atomic mass
ANSWER
sum of number of protons and neutrons, mass number approximates the atomic mass.
Q12 QUESTION 12 OF 322
isotopes
ANSWER
atoms with differing numbers of neutrons. an element usually a combination of different
isotopes
Q13 QUESTION 13 OF 322
radioactive isotope
ANSWER
unstable isotope where the nucleus decays spontaneously giving off particles and energy
Page 4