Bios 1300 Cumulative Final UPDATED Exam Questions and CORRECT Answers
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Course
Bios 1300
Institution
Bios 1300
Bios 1300 Cumulative Final UPDATED
Exam Questions and CORRECT Answers
Which of the following bond types is the weakest?
Isotopic bonds
Van der Waals forces
Hydrogen bonds
Ionic bonds
Nonpolar covalent bonds
Polar covalent bonds - Correct Answer- Van der Waals forces
Bios 1300 Cumulative Final UPDATED
Exam Questions and CORRECT Answers
Which of the following bond types is the weakest?
Isotopic bonds
Van der Waals forces
Hydrogen bonds
Ionic bonds
Nonpolar covalent bonds
Polar covalent bonds - Correct Answer- Van der Waals forces
The lower the pH of a solution, the ________.
lower the H+ concentration
more neutral the solution is
greater the number of oxygen atoms
greater the number of H+ in solution
less toxic the solution is - Correct Answer- greater the number of H+ in solution
Which functional group is made of one N atom and two H atoms?
phosphate
methyl
amino
hydroxyl
carboxyl - Correct Answer- amino
A group of similar cells that work together to perform a common function is called a/an
__________.
Organ
Matrix
Organelle
Tissue
,Organ system - Correct Answer- tissue
When iron rusts, the iron reacts with O2, and electrons are transferred from the iron atoms to
the oxygen atoms. What kind of bonds are found in rust?
Hydrogen bonds
Ionic bonds
Polar covalent bonds
Van der Waals forces
Non-polar covalent bonds - Correct Answer- ionic bonds
Which of the following is NOT a simple sugar?
Glucose
Ribose
Galactose
Cellulose
Fructose - Correct Answer- cellulose
Which of the following is one of the functions of the lymphatic system?
Return of extracellular fluid back to the circulatory system
Production of enzymes for the digestive system
Regulation of body temperature
Circulation of blood throughout the body
Production of regulatory hormones - Correct Answer- Return of extracellular fluid back to the
circulatory system
In an aqueous solution, water molecules associate with one another through which of the
following?
hydrogen bonds
polar covalent bonds
ionic bonds
nonpolar covalent bonds
,isotopic bonds - Correct Answer- hydrogen bonds
The pancreas is part of which organ system?
Lymphatic
Digestive
Muscular
Both digestive and endocrine
Both digestive and lymphatic
Endocrine - Correct Answer- both digestive and endocrine
What is the proper order of the levels of body organization, also known as the "Hierarchy of
Complexity?" - Correct Answer- Atoms, molecules, organelles, cells, tissues, organs, organ
systems, organism
Which functional group is made of one C atom and three H atoms?
hydroxyl
methyl
carboxyl
amino
phosphate - Correct Answer- methyl
The liver is part of which organ system?
Lymphatic
Digestive
Endocrine
Exocrine
Integumentary - Correct Answer- digestive
What is the special name for the bond that links amino acids together into chains?
Hydrogen bond
Peptide bond
, van der Waals forces
Nonpolar covalent bond
Ionic bond - Correct Answer- peptide bond
A group of tissues that work together to perform a common function is called a/an
__________.
Organelle
Matrix
Organ system
Tissue
Organ - Correct Answer- organ
A triglyceride that is liquid at room temperature most likely contains _____________.
At least one molecule of cholesterol
Three saturated fatty acids
Three unsaturated monosaccharides
An unsaturated glycerol molecule
At least one unsaturated fatty acid - Correct Answer- At least one unsaturated fatty acid
A chemical system that can accept H+ ions when the pH goes low, or can donate H+ ions
when the pH goes high is called ________________.
An enzyme
An acid
A buffer
A base
A polymer - Correct Answer- a buffer
Which of the following is true regarding phospholipids?
They have a hydrophobic region consisting of a chain of phosphate groups.
They consist of three monosaccharides all linked by a phosphate group.
They have a carbon skeleton consisting of 4 fused rings.
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