BIO 201 Principles of Biology Practice Test Questions and Correct Answers
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Course
BIO 201
Institution
BIO 201
The nucleus of an atom is composed of protons and neutrons
When one atom loses an electron to another atom, it results in the formation of cations and anions that can form ionic bonds
What type of bond forms from the unequal sharing of electrons polar covalent
When one oxygen atom shares two pai...
BIO 201 Principles of Biology Practice
Test Questions and Correct Answers
The nucleus of an atom is composed of ✅protons and neutrons
When one atom loses an electron to another atom, it results in the formation of
✅cations and anions that can form ionic bonds
What type of bond forms from the unequal sharing of electrons ✅polar covalent
When one oxygen atom shares two pairs of electrons with another oxygen atom, O2 is
formed via a(n) ✅double covalent bond
Which part of the original atom would you need to manipulate in order to create an
isotope ✅neutrons
The feature of carbon is important for producing a diversity of organic molecules
✅carbon can form both polar and nonpolar covalent bonds with various elements
The most hydrophobic molecule is ✅C2H2
What has identical molecular formulas but different structures and characteristics?
✅isomers, stereoisomers, enantiomers
A dehydration reaction ✅is used to form polymers
Glycogen is to animal cells as ________ is to plant cells. ✅starch
The largest molecule out of monosaccharides, disaccharides, polysaccharides, and
sucrose is.. ✅polysaccharides
Identify the non-lipid molecule. ✅glycogen
Monomers build up to form polymers. What molecule is least likely to be a monomer of
a polymer? ✅steroids
The macromolecule composed of amino acids is a ✅protein
A protein _______ structure contains helixes and sheets that result from hydrogen
bonding between a carboxyl and amino groups of the polypeptide chain ✅secondary
structure
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