BMS 300 Exam Principles of Human
Physiology Questions and Answers
2024
Which of the following are extra credit? Select all that apply. -
Ans After-Lecture Quizzes, E-Book Quizzes, Tutorials
You should contact the GTAs via: -
Ans The GTA email
A bond in which electrons are shared between atoms is a ___ bond. -
Ans Covalent
Water molecules are attracted to each other and form ___ bonds. -
Ans Hydrogen
Which of the following is NOT true about hydrophilic molecules. -
Ans They have equal sharing of electrons across all the atoms in the molecule.
Sodium (Na+) will be attracted to what portion of a water molecule. -
Ans Oxygen
___ is the diffusion of water molecules through a semipermeable membrane from a
place of higher water concentration to a place of lower water concentration until the
concentration on both sides is equal. -
Ans Osmosis
In triglycerides, a fatty acid is joined to glycerol by a(n) ___ bond. -
Ans Covalent
Two solutions are separated by a membrane that contains only channels permeable
to water (aquaporins). The solution in the left-hand compartment contains 30
millimolar NaCl, which dissociates completely, and the right-hand compartment
contains 60 millimolar urea which is a small, charged molecule that does not
dissociate. Which of the following statements is correct? -
Ans Water will not flow because osmotic forces are balanced.
The portion of an amino acid that differentiates one amino acid from another is the
___. -
Ans R-Group
In order to form a chain of amino acids, multiple amino acids are linked via what
bond? -
Ans Peptide Bond, Covalent Bond
T/F: Triglycerides are composed of 1 long chain fatty acid and three glycerols. -
, Ans False
Which of the following is the least stable form of phospholipid structure? -
Ans Micelle
___ interact with water to form the ___ structure of proteins. -
Ans R-groups, tertiary
R groups can be...
-charged
-uncharged
-polar
-all of the above
-none of the above -
Ans All of the above
The amino acids that can be found on the outside of a protein when placed in water
are: -
Ans Hydrophilic
Alpha helices form due to ___ bonding of amino acids ____ the strand. Beta pleated
sheets form due to ___ bonding ___ adjacent strands. -
Ans Hydrogen, Within, Hydrogen, Between
What is a histone? -
Ans A protein found in eukaryotic cell nuclei that package and order the DNA into
structural units called nucleosomes.
T/F: Prokaryotes organize their cellular machinery in membrane bound organelles. -
Ans False
T/F: Excluding mitosis/meiosis, DNA never leaves the nucleus. -
Ans True
Eukaryotic DNA is organized: -
Ans By winding around histones to condense into chromosomes found in the
nucleus.
Match the terms on the left.
1) Synthesize proteins
2) Allows RNA to leave the nucleus and enter into the cytoplasm
3) DNA--> RNA--> Protein -
Ans 1) Ribosomes
2) Nuclear pores
3) Central dogma
Rough endoplasmic reticulum is rough because it is covered with ___. -
Ans Ribosomes
Physiology Questions and Answers
2024
Which of the following are extra credit? Select all that apply. -
Ans After-Lecture Quizzes, E-Book Quizzes, Tutorials
You should contact the GTAs via: -
Ans The GTA email
A bond in which electrons are shared between atoms is a ___ bond. -
Ans Covalent
Water molecules are attracted to each other and form ___ bonds. -
Ans Hydrogen
Which of the following is NOT true about hydrophilic molecules. -
Ans They have equal sharing of electrons across all the atoms in the molecule.
Sodium (Na+) will be attracted to what portion of a water molecule. -
Ans Oxygen
___ is the diffusion of water molecules through a semipermeable membrane from a
place of higher water concentration to a place of lower water concentration until the
concentration on both sides is equal. -
Ans Osmosis
In triglycerides, a fatty acid is joined to glycerol by a(n) ___ bond. -
Ans Covalent
Two solutions are separated by a membrane that contains only channels permeable
to water (aquaporins). The solution in the left-hand compartment contains 30
millimolar NaCl, which dissociates completely, and the right-hand compartment
contains 60 millimolar urea which is a small, charged molecule that does not
dissociate. Which of the following statements is correct? -
Ans Water will not flow because osmotic forces are balanced.
The portion of an amino acid that differentiates one amino acid from another is the
___. -
Ans R-Group
In order to form a chain of amino acids, multiple amino acids are linked via what
bond? -
Ans Peptide Bond, Covalent Bond
T/F: Triglycerides are composed of 1 long chain fatty acid and three glycerols. -
, Ans False
Which of the following is the least stable form of phospholipid structure? -
Ans Micelle
___ interact with water to form the ___ structure of proteins. -
Ans R-groups, tertiary
R groups can be...
-charged
-uncharged
-polar
-all of the above
-none of the above -
Ans All of the above
The amino acids that can be found on the outside of a protein when placed in water
are: -
Ans Hydrophilic
Alpha helices form due to ___ bonding of amino acids ____ the strand. Beta pleated
sheets form due to ___ bonding ___ adjacent strands. -
Ans Hydrogen, Within, Hydrogen, Between
What is a histone? -
Ans A protein found in eukaryotic cell nuclei that package and order the DNA into
structural units called nucleosomes.
T/F: Prokaryotes organize their cellular machinery in membrane bound organelles. -
Ans False
T/F: Excluding mitosis/meiosis, DNA never leaves the nucleus. -
Ans True
Eukaryotic DNA is organized: -
Ans By winding around histones to condense into chromosomes found in the
nucleus.
Match the terms on the left.
1) Synthesize proteins
2) Allows RNA to leave the nucleus and enter into the cytoplasm
3) DNA--> RNA--> Protein -
Ans 1) Ribosomes
2) Nuclear pores
3) Central dogma
Rough endoplasmic reticulum is rough because it is covered with ___. -
Ans Ribosomes
