ECPI Test Bank Exam Biology 112
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
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
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
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
Programmed cell death occurs during development, including the removal of webbing between fingers
of the fetus. This process is known as - ANS- apoptosis
In a _______ solution, cells swell and may burst - ANS- hypotonic
Has ribosomes on its membranes and is involved with protein synthesis: - ANS- rough endoplasmic
reticulum
Stomach acid is considered a strongly acidic. Which pH value is it likely to have? - ANS- 2
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
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
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
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
Programmed cell death occurs during development, including the removal of webbing between fingers
of the fetus. This process is known as - ANS- apoptosis
In a _______ solution, cells swell and may burst - ANS- hypotonic
Has ribosomes on its membranes and is involved with protein synthesis: - ANS- rough endoplasmic
reticulum
Stomach acid is considered a strongly acidic. Which pH value is it likely to have? - ANS- 2
