LATEST 2026/2027 BIO 100 FINAL EXAM
CURRENT TESTING QUESTION AND DETAILED
CORRECT ANSWER (VERIFIED) GUARANTEED
PASS/TOP-RATED A+.
BIO 100
Maximize your success on the BIO 100 Final Exam by mastering
foundational concepts such as cell structure, basic
biochemistry, genetics, metabolism, and biological systems.
This exam assesses your understanding of essential principles
that form the basis of biological science. It is designed for
introductory biology students completing entry-level
coursework.
What is a scientific theory? ...... ANSWER ....... A
scientific theory is a well-substantiated explanation of
some aspect of the natural world, based on a body of
facts that have been repeatedly confirmed through
observation and experiment. ✓✓
What is the correct order of complexity? ...... ANSWER
....... Atom, Molecule, Organelle, Cell, Tissue, Organ,
System, Organism, Population, Community, Ecosystem,
Biosphere✓✓
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What is the definition of a population? ...... ANSWER .......
Members of a single type of living thing, living together in
a defined area✓✓
What is homeostasis? ...... ANSWER ....... Maintaining a
constant internal environment✓✓
What is the definition of a tissue? ...... ANSWER ....... A
large mass of similar cells that make up a part of an
organism and perform a specific function. ✓✓
Living things inherit information from their parents encoded
in what? ...... ANSWER ....... DNA✓✓
What are the subatomic particles of an atom? ......
ANSWER ....... protons, neutrons, and electrons✓✓
Which subatomic particle plays the greatest role in chemical
reactions? ...... ANSWER ....... electrons✓✓
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Why will atoms react with other atoms? ...... ANSWER .......
their outermost shell of electrons has not been filled✓✓
What is the definition of a hydrophobic molecule? ......
ANSWER ....... A molecule that is repelled by water or is
"water-fearing".✓✓
How many covalent bonds can oxygen make with hydrogen?
...... ANSWER ....... two✓✓
What is the definition of a solute? Solvent? ...... ANSWER
....... A solute is the substance to be dissolved (example:
sugar). The solvent is the one doing the dissolving
(example: water). ✓✓
What is the definition of an acid (in regards to hydrogen
atoms)? ...... ANSWER ....... Acids are substances that
can donate H+ ions to bases. ✓✓
What is glycogen? ...... ANSWER ....... a substance
deposited in bodily tissues as a store of carbohydrates. It
is a polysaccharide that forms glucose on hydrolysis. ✓✓
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What is a polysaccharide? ...... ANSWER ....... a
carbohydrate (e.g., starch, cellulose, or glycogen) whose
molecules consist of a number of sugar molecules
bonded together✓✓
What is a phospholipid? ...... ANSWER ....... two fatty
acids, attached to a glycerol 'head' and a phosphate
group. they are located in the phospholipid bilayer and
have a hydrophilic (or 'water loving') head and a
hydrophobic (or 'water fearing') tail. ✓✓
What are the functions of proteins? ...... ANSWER .......
Quickening chemical reactions, chemical messengers,
repair and maintenance, energy, hormones, enzymes,
transportation and storage of molecules, and forming
antibodies, healing, mechanical support, storing
nutrients, cell signaling. ✓✓
What are proteins made up of? ...... ANSWER ....... amino
acids✓✓