TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
Bio 251 Final Exam Questions and Correct
Answers the Latest Update and
Recommended Version
tissues in the body are classified into which of the following four types?
✓ nervous, muscle, epithelial, and connective
which of the following accurately represents the order of complexity for the body, from least
to most complex?
✓ cells, tissues, organs and organ systems
which of the following compartments contain most of the water found in the human body?
✓ intracellular fluid
referring to a membrane as "selectively permeable" describes its ability to...
✓ allow the movement of certain molecules across the membrane but restrict the movement
of other molecules
which of the following statements about homeostasis is false?
✓ the primary mechanism to maintain homeostasis is positive feedback
the body fluid compartment with a high potassium concentration is...
✓ intracellular fluid
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
extracellular fluid is composed of...
✓ both the interstitial fluid and plasma
direct communication between cells in contact with one another is accomplished through...
✓ gap junctions
which type of chemical messenger is released into the bloodstream by an endocrine gland
where it can affect target cells throughout the body?
✓ hormone
in most homeostasis mechanisms, a (blank) detects a change in a regulated variable and sends
that information to an (blank) which relays signals to an (blank) usually a muscle or a gland
✓ sensor; integrating center; effector
ion channels are examples of what type of membrane protein?
✓ transmembrane protein
which of the following is not a type of integral membrane protein?
✓ an intracellular receptor for a messenger
when molecules are passively transported across a membrane, the direction of their movement
is dictated by the molecule's tendency to move...
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
✓ from higher concentration to lower concentration
based solely upon its negative electrical charge, the inside of a typical cell will tend to attract
extracellular (blank) to move inward
✓ cations
transporting a substance against its concentration gradient requires...
✓ a transporter that uses metabolic energy
most cells have a resting membrane potential of...
✓ -70 mV
what type of ion channels in the membranes of all cells allows ions to constantly move across
the membrane at rest and thereby contribute to the resting membrane potential?
✓ leak channels
which of the following best describes the electrochemical forces acting on sodium and
potassium ions across the cell membrane?
✓ the force on sodium ions is to move into the cell, and the force on potassium ions is to
move out of the cell
the electrochemical gradient for sodium across the membrane is such that the net flux for
sodium movement is directed (blank), thereby causing the cell's membrane potential to become
more (blank)
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
Bio 251 Final Exam Questions and Correct
Answers the Latest Update and
Recommended Version
tissues in the body are classified into which of the following four types?
✓ nervous, muscle, epithelial, and connective
which of the following accurately represents the order of complexity for the body, from least
to most complex?
✓ cells, tissues, organs and organ systems
which of the following compartments contain most of the water found in the human body?
✓ intracellular fluid
referring to a membrane as "selectively permeable" describes its ability to...
✓ allow the movement of certain molecules across the membrane but restrict the movement
of other molecules
which of the following statements about homeostasis is false?
✓ the primary mechanism to maintain homeostasis is positive feedback
the body fluid compartment with a high potassium concentration is...
✓ intracellular fluid
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
extracellular fluid is composed of...
✓ both the interstitial fluid and plasma
direct communication between cells in contact with one another is accomplished through...
✓ gap junctions
which type of chemical messenger is released into the bloodstream by an endocrine gland
where it can affect target cells throughout the body?
✓ hormone
in most homeostasis mechanisms, a (blank) detects a change in a regulated variable and sends
that information to an (blank) which relays signals to an (blank) usually a muscle or a gland
✓ sensor; integrating center; effector
ion channels are examples of what type of membrane protein?
✓ transmembrane protein
which of the following is not a type of integral membrane protein?
✓ an intracellular receptor for a messenger
when molecules are passively transported across a membrane, the direction of their movement
is dictated by the molecule's tendency to move...
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!
✓ from higher concentration to lower concentration
based solely upon its negative electrical charge, the inside of a typical cell will tend to attract
extracellular (blank) to move inward
✓ cations
transporting a substance against its concentration gradient requires...
✓ a transporter that uses metabolic energy
most cells have a resting membrane potential of...
✓ -70 mV
what type of ion channels in the membranes of all cells allows ions to constantly move across
the membrane at rest and thereby contribute to the resting membrane potential?
✓ leak channels
which of the following best describes the electrochemical forces acting on sodium and
potassium ions across the cell membrane?
✓ the force on sodium ions is to move into the cell, and the force on potassium ions is to
move out of the cell
the electrochemical gradient for sodium across the membrane is such that the net flux for
sodium movement is directed (blank), thereby causing the cell's membrane potential to become
more (blank)
|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]
