ECPI FINAL EXAM BIO 112 EXAM
QUESTIONS AND ANSWERS 100% PASS
2026/2027
Osmosis is the movement of - ANS water through a selectively permeable membrane down
its concentration gradient
The ability of an organism to sense and react to changes in its body illustrates -
ANS responsiveness
In negative feedback mechanisms, changes away from the normal state - ANS stimulate
changes in the opposite direction to restore normal levels
Which of the following are living organisms simplest unit? - ANS cells
An organic compound always contains - ANS carbon and hydrogen
What best describes the function of the skeletal system? - ANS support and movement
Part of the cell cycle when DNA replicates: - ANS Interphase
@2026 ALLRIGHTS RESERVED 1
,DNA - ANS stores genetic information, including instructions for enzymes that synthesize fats
and carbohydrates
An atom is electrically neutral when - ANS the number of electrons equals the number of
protons
Homeostasis is the - ANS tendency of the body to maintain a stable internal enviroment
Which of the following lists best illustrates the idea of increasing levels of complexity? -
ANS organelles, cells, tissues, organs, organ systems
An ion can be described as - ANS an electrically charged particle
A sagittal section divides the body into - ANS right and left portions
the cell membrane is said to be: - ANS selectively permeable
Which of the following must the human body obtain from the environment in order to survive?
- ANS water
Loose thread like strands of DNA and protein: - ANS Chromatin
Which of the following is the most abundant inorganic substance in the body? - ANS Water
What is the purpose of mitosis? - ANS Division of the cell nucleus
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,Cytoplasm consists of - ANS Cytosol and organelles
What is necrosis? - ANS Cell death that occurs due to tissue damage
The organelle is a "tail" used for locomotion in cells such as bacteria or sperm - ANS flagella
This organelle is a network of interconnected membranes and acts like the cell's factory;
forming sacs and canals that synthesizes protein and lipid molecules - ANS endoplasmic
reticulum
The midportion of the abdomen is called the _________ region - ANS umbilical
In a covalent bond - ANS atoms share a pair or more of electrons
Phase of mitosis when new nuclear envelopes form around the two new nuclei and
chromosomes unwind back to chromatin - ANS Telophase
The activities of an anatomist consist of _________, whereas those of a physiologist consist of
________ - ANS observing the structure of body parts; studying the functions of body parts
An isotonic solution - ANS has the same osmotic pressure as the cells in the solution
Phase of mitosis when the chromosomes line up in the middle of the cell: - ANS Metaphase
Which of the following illustrates a positive feedback mechanism? - ANS Uterine contractions
during childbirth
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, The formula H2O refers to - ANS an inorganic molecule
In a ________ solution, cells swell and may burst - ANS Hypotonic
"Powerhouse" of the cell that makes a lot of ATP: - ANS Mitochondria
Stages of the cell cycle unfold in the following order: - ANS interphase, mitosis, cytoplasmic
division, differentiation
tara discovers a rapidly growing lump that doubles in size over a month. A doctor does a biopsy
and discovers it's a form of cancer, which can result if - ANS mitosis/ cell division is too
frequent
Each of the following are examples of a lipid-based molecule except for: - ANS protein
The atomic number of an atom equals the number of - ANS protons
The fingertips are _______ in relationship to the wrist - ANS distal to
What is the chemical symbol for sodium? - ANS Na
Which structure is found in the axial portion of the body? - ANS Head
Which subatomic particle has a negative charge? - ANS electron
In a _______ solution, cells shrink and shrivel - ANS hypertonic
@2026 ALLRIGHTS RESERVED 4
QUESTIONS AND ANSWERS 100% PASS
2026/2027
Osmosis is the movement of - ANS water through a selectively permeable membrane down
its concentration gradient
The ability of an organism to sense and react to changes in its body illustrates -
ANS responsiveness
In negative feedback mechanisms, changes away from the normal state - ANS stimulate
changes in the opposite direction to restore normal levels
Which of the following are living organisms simplest unit? - ANS cells
An organic compound always contains - ANS carbon and hydrogen
What best describes the function of the skeletal system? - ANS support and movement
Part of the cell cycle when DNA replicates: - ANS Interphase
@2026 ALLRIGHTS RESERVED 1
,DNA - ANS stores genetic information, including instructions for enzymes that synthesize fats
and carbohydrates
An atom is electrically neutral when - ANS the number of electrons equals the number of
protons
Homeostasis is the - ANS tendency of the body to maintain a stable internal enviroment
Which of the following lists best illustrates the idea of increasing levels of complexity? -
ANS organelles, cells, tissues, organs, organ systems
An ion can be described as - ANS an electrically charged particle
A sagittal section divides the body into - ANS right and left portions
the cell membrane is said to be: - ANS selectively permeable
Which of the following must the human body obtain from the environment in order to survive?
- ANS water
Loose thread like strands of DNA and protein: - ANS Chromatin
Which of the following is the most abundant inorganic substance in the body? - ANS Water
What is the purpose of mitosis? - ANS Division of the cell nucleus
@2026 ALLRIGHTS RESERVED 2
,Cytoplasm consists of - ANS Cytosol and organelles
What is necrosis? - ANS Cell death that occurs due to tissue damage
The organelle is a "tail" used for locomotion in cells such as bacteria or sperm - ANS flagella
This organelle is a network of interconnected membranes and acts like the cell's factory;
forming sacs and canals that synthesizes protein and lipid molecules - ANS endoplasmic
reticulum
The midportion of the abdomen is called the _________ region - ANS umbilical
In a covalent bond - ANS atoms share a pair or more of electrons
Phase of mitosis when new nuclear envelopes form around the two new nuclei and
chromosomes unwind back to chromatin - ANS Telophase
The activities of an anatomist consist of _________, whereas those of a physiologist consist of
________ - ANS observing the structure of body parts; studying the functions of body parts
An isotonic solution - ANS has the same osmotic pressure as the cells in the solution
Phase of mitosis when the chromosomes line up in the middle of the cell: - ANS Metaphase
Which of the following illustrates a positive feedback mechanism? - ANS Uterine contractions
during childbirth
@2026 ALLRIGHTS RESERVED 3
, The formula H2O refers to - ANS an inorganic molecule
In a ________ solution, cells swell and may burst - ANS Hypotonic
"Powerhouse" of the cell that makes a lot of ATP: - ANS Mitochondria
Stages of the cell cycle unfold in the following order: - ANS interphase, mitosis, cytoplasmic
division, differentiation
tara discovers a rapidly growing lump that doubles in size over a month. A doctor does a biopsy
and discovers it's a form of cancer, which can result if - ANS mitosis/ cell division is too
frequent
Each of the following are examples of a lipid-based molecule except for: - ANS protein
The atomic number of an atom equals the number of - ANS protons
The fingertips are _______ in relationship to the wrist - ANS distal to
What is the chemical symbol for sodium? - ANS Na
Which structure is found in the axial portion of the body? - ANS Head
Which subatomic particle has a negative charge? - ANS electron
In a _______ solution, cells shrink and shrivel - ANS hypertonic
@2026 ALLRIGHTS RESERVED 4
