Exam (elaborations)

Bios 1300 Cumulative Final UPDATED Exam Questions and CORRECT Answers

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Bios 1300

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bios 1300 cumulative
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bios 1300 cumulative final

Institution Bios 1300
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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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Exam (elaborations)

Bios 1300 Cumulative Final UPDATED Exam Questions and CORRECT Answers

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