ECPI FINAL EXAM BIO 112 QUESTIONS
AND ANSWERS 100% CORRECT PASS!!
Osmosis is the movement of - CORRECT ANSWER-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 - CORRECT ANSWER-
responsiveness
In negative feedback mechanisms, changes away from the normal state - CORRECT ANSWER-
stimulate changes in the opposite direction to restore normal levels
Which of the following are living organisms simplest unit? - CORRECT ANSWER-cells
An organic compound always contains - CORRECT ANSWER-carbon and hydrogen
What best describes the function of the skeletal system? - CORRECT ANSWER-support and movement
Part of the cell cycle when DNA replicates: - CORRECT ANSWER-Interphase
DNA - CORRECT ANSWER-stores genetic information, including instructions for enzymes that
synthesize fats and carbohydrates
,An atom is electrically neutral when - CORRECT ANSWER-the number of electrons equals the number
of protons
Homeostasis is the - CORRECT ANSWER-tendency of the body to maintain a stable internal
enviroment
Which of the following lists best illustrates the idea of increasing levels of complexity? - CORRECT
ANSWER-organelles, cells, tissues, organs, organ systems
An ion can be described as - CORRECT ANSWER-an electrically charged particle
A sagittal section divides the body into - CORRECT ANSWER-right and left portions
the cell membrane is said to be: - CORRECT ANSWER-selectively permeable
Which of the following must the human body obtain from the environment in order to survive? -
CORRECT ANSWER-water
Loose thread like strands of DNA and protein: - CORRECT ANSWER-Chromatin
Which of the following is the most abundant inorganic substance in the body? - CORRECT ANSWER-
Water
What is the purpose of mitosis? - CORRECT ANSWER-Division of the cell nucleus
Cytoplasm consists of - CORRECT ANSWER-Cytosol and organelles
,What is necrosis? - CORRECT ANSWER-Cell death that occurs due to tissue damage
The organelle is a "tail" used for locomotion in cells such as bacteria or sperm - CORRECT ANSWER-
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 - CORRECT ANSWER-
endoplasmic reticulum
The midportion of the abdomen is called the _________ region - CORRECT ANSWER-umbilical
In a covalent bond - CORRECT ANSWER-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 - CORRECT ANSWER-Telophase
The activities of an anatomist consist of _________, whereas those of a physiologist consist of
________ - CORRECT ANSWER-observing the structure of body parts; studying the functions of body
parts
An isotonic solution - CORRECT ANSWER-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: - CORRECT ANSWER-
Metaphase
Which of the following illustrates a positive feedback mechanism? - CORRECT ANSWER-Uterine
contractions during childbirth
, The formula H2O refers to - CORRECT ANSWER-an inorganic molecule
In a ________ solution, cells swell and may burst - CORRECT ANSWER-Hypotonic
"Powerhouse" of the cell that makes a lot of ATP: - CORRECT ANSWER-Mitochondria
Stages of the cell cycle unfold in the following order: - CORRECT ANSWER-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 - CORRECT ANSWER-mitosis/ cell division is too
frequent
Each of the following are examples of a lipid-based molecule except for: - CORRECT ANSWER-protein
The atomic number of an atom equals the number of - CORRECT ANSWER-protons
The fingertips are _______ in relationship to the wrist - CORRECT ANSWER-distal to
What is the chemical symbol for sodium? - CORRECT ANSWER-Na
Which structure is found in the axial portion of the body? - CORRECT ANSWER-Head
Which subatomic particle has a negative charge? - CORRECT ANSWER-electron
In a _______ solution, cells shrink and shrivel - CORRECT ANSWER-hypertonic
AND ANSWERS 100% CORRECT PASS!!
Osmosis is the movement of - CORRECT ANSWER-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 - CORRECT ANSWER-
responsiveness
In negative feedback mechanisms, changes away from the normal state - CORRECT ANSWER-
stimulate changes in the opposite direction to restore normal levels
Which of the following are living organisms simplest unit? - CORRECT ANSWER-cells
An organic compound always contains - CORRECT ANSWER-carbon and hydrogen
What best describes the function of the skeletal system? - CORRECT ANSWER-support and movement
Part of the cell cycle when DNA replicates: - CORRECT ANSWER-Interphase
DNA - CORRECT ANSWER-stores genetic information, including instructions for enzymes that
synthesize fats and carbohydrates
,An atom is electrically neutral when - CORRECT ANSWER-the number of electrons equals the number
of protons
Homeostasis is the - CORRECT ANSWER-tendency of the body to maintain a stable internal
enviroment
Which of the following lists best illustrates the idea of increasing levels of complexity? - CORRECT
ANSWER-organelles, cells, tissues, organs, organ systems
An ion can be described as - CORRECT ANSWER-an electrically charged particle
A sagittal section divides the body into - CORRECT ANSWER-right and left portions
the cell membrane is said to be: - CORRECT ANSWER-selectively permeable
Which of the following must the human body obtain from the environment in order to survive? -
CORRECT ANSWER-water
Loose thread like strands of DNA and protein: - CORRECT ANSWER-Chromatin
Which of the following is the most abundant inorganic substance in the body? - CORRECT ANSWER-
Water
What is the purpose of mitosis? - CORRECT ANSWER-Division of the cell nucleus
Cytoplasm consists of - CORRECT ANSWER-Cytosol and organelles
,What is necrosis? - CORRECT ANSWER-Cell death that occurs due to tissue damage
The organelle is a "tail" used for locomotion in cells such as bacteria or sperm - CORRECT ANSWER-
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 - CORRECT ANSWER-
endoplasmic reticulum
The midportion of the abdomen is called the _________ region - CORRECT ANSWER-umbilical
In a covalent bond - CORRECT ANSWER-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 - CORRECT ANSWER-Telophase
The activities of an anatomist consist of _________, whereas those of a physiologist consist of
________ - CORRECT ANSWER-observing the structure of body parts; studying the functions of body
parts
An isotonic solution - CORRECT ANSWER-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: - CORRECT ANSWER-
Metaphase
Which of the following illustrates a positive feedback mechanism? - CORRECT ANSWER-Uterine
contractions during childbirth
, The formula H2O refers to - CORRECT ANSWER-an inorganic molecule
In a ________ solution, cells swell and may burst - CORRECT ANSWER-Hypotonic
"Powerhouse" of the cell that makes a lot of ATP: - CORRECT ANSWER-Mitochondria
Stages of the cell cycle unfold in the following order: - CORRECT ANSWER-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 - CORRECT ANSWER-mitosis/ cell division is too
frequent
Each of the following are examples of a lipid-based molecule except for: - CORRECT ANSWER-protein
The atomic number of an atom equals the number of - CORRECT ANSWER-protons
The fingertips are _______ in relationship to the wrist - CORRECT ANSWER-distal to
What is the chemical symbol for sodium? - CORRECT ANSWER-Na
Which structure is found in the axial portion of the body? - CORRECT ANSWER-Head
Which subatomic particle has a negative charge? - CORRECT ANSWER-electron
In a _______ solution, cells shrink and shrivel - CORRECT ANSWER-hypertonic
