Biol. 1110: Exam on Ch. 1, Ch. 2, and Ch. 3

Tierney Holland
Quiz by , created over 4 years ago

Exam came from notes I took in class on Ch. 1: Characteristics of Life, Ch. 2: Chemical Basics of Life/Atoms and Molecules/ Organic Chemistry, and Ch. 3: Biological Macromolecules

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Tierney Holland
Created by Tierney Holland over 4 years ago
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Question 1

Question
What are basic building blocks of life?
Answer
  • molecules
  • atoms

Question 2

Question
Two or more atoms makes a _______ ?
Answer
  • compound
  • molecule

Question 3

Question
What maintains an internal chemical environment?
Answer
  • homeostasis
  • cell membrane

Question 4

Question
What is the smallest unit of matter involve in chemical reactions?
Answer
  • atoms
  • particles

Question 5

Question
Number of protons are also called ?
Answer
  • atomic mass
  • atomic number

Question 6

Question
Atoms are made of which subatomic particles?
Answer
  • protons
  • nucleus
  • valence shell
  • neutrons
  • electrons

Question 7

Question
What type of charge does a proton have and where is it located?
Answer
  • negative and electron shell
  • positive and in nucleus

Question 8

Question
What type of charge does a neutron have and where is it located?
Answer
  • no charge and in nucleus
  • negative charge and in nucleus

Question 9

Question
What type of charge does a electron have and where is it located?
Answer
  • negative and in electron shells
  • positive and in electron shells

Question 10

Question
If the whole atom is electrically neutral then ?
Answer
  • the number of neutrons equals the number of electrons
  • the number of protons equals the number of electrons

Question 11

Question
The atomic mass - protons =
Answer
  • electrons
  • neutrons

Question 12

Question
The protons + neutrons =
Answer
  • atomic mass
  • atomic number

Question 13

Question
The type of atoms with added or subtracted neutrons?
Answer
  • isotopes
  • isomers

Question 14

Question
What type of molecule with the same number and types of atoms but different arrangements?
Answer
  • isotopes
  • isomers

Question 15

Question
Which atom can have the same atomic number but different atomic mass?
Answer
  • isotopes
  • isomers

Question 16

Question
Atoms that have lost or gained electrons?
Answer
  • compound
  • ions

Question 17

Question
Two or more atoms joined together?
Answer
  • compound
  • molecule

Question 18

Question
A molecule that contains at least two atoms?
Answer
  • ions
  • compound

Question 19

Question
An atom with electronegativity that takes a valence electron from an atom of weak electronegativity?
Answer
  • ionic bonding
  • covalent bonding

Question 20

Question
Atoms of more similar electronegativity that shared 1-3 pairs of electrons?
Answer
  • ionic bonding
  • covalent bonding

Question 21

Question
Weak electrical attraction between a positive and negative part of two molecules or a molecule and ion?
Answer
  • covalent bonding
  • hydrogen bonding

Question 22

Question
The basic solvent living things are based on?
Answer
  • Carbon
  • H20

Question 23

Question
The measurement of a high H+ concentration in a aqueous solutions?
Answer
  • pH
  • acid

Question 24

Question
A chemical that adds H+ concentration to a solution?
Answer
  • base
  • acid

Question 25

Question
What pH takes away electrons?
Answer
  • acid
  • base

Question 26

Question
The pH that takes away protons?
Answer
  • acid
  • base

Question 27

Question
A high OH-added to a solution ?
Answer
  • base
  • acid

Question 28

Question
How many covalent bonds can Carbon form?
Answer
  • 4
  • 3
  • 1
  • 5

Question 29

Question
What atom can form chemical rings, 3D shaped , molecules, and molecules of 1000 atoms?
Answer
  • Hydrogen
  • Sodium
  • Carbon

Question 30

Question
What are composed of dry mass?
Answer
  • Organic molecules
  • molecules

Question 31

Question
What is an organic functional group?
Answer
  • attached only carbon atoms and molecules to a compound
  • combinations of atoms attached to an organic molecule

Question 32

Question
Which structure is the hydroxyl group?
Answer
  • R-OH
  • R-H-R

Question 33

Question
Which structure is the Carboxyl group?
Answer
  • R-C-R
  • R-C-OH

Question 34

Question
Which structure is the Aledhyde group?
Answer
  • R-CH
  • R-CH doubled bonded to O

Question 35

Question
Which structure is the Amine group?
Answer
  • R-PO
  • R-NH2

Question 36

Question
Which structure is the Ether?
Answer
  • R double bonded to O-R
  • R-C-R

Question 37

Question
Which structure is the ketone group?
Answer
  • R doubled bonded to C doubled bonded O-R
  • R-C-R

Question 38

Question
Which structure is the phosphate group?
Answer
  • R-PO4
  • R double bonded to O double bonded to PO

Question 39

Question
What are large molecules made from chains of repeating subunits?
Answer
  • polymers
  • ploynomers

Question 40

Question
What is a simple sugar made with CH2O?
Answer
  • monosacharride
  • dissacharride

Question 41

Question
What are polymers with 2 or simple sugars bonded together?
Answer
  • polysacharride
  • dissacharride

Question 42

Question
What complex carb has 3 or more simple sugars bonded together?
Answer
  • polysacharride
  • disacharride

Question 43

Question
Which biological macromolecule is the largest?
Answer
  • lipids
  • protein

Question 44

Question
Whats are proteins made of?
Answer
  • polymers
  • amino acids

Question 45

Question
Protiens are dissacharides of amino acids linked by ?
Answer
  • nucleictides
  • peptide bonds

Question 46

Question
Which is a peptide bond?
Answer
  • AA-O-NH-AA2-O
  • AA-O-NH2-A-O

Question 47

Question
What is the first level of a protein funtion?
Answer
  • the level that is coiled/ foiled
  • the level that forms a polypeptide

Question 48

Question
What is the second level of a protein structure?
Answer
  • polypeptide that is coiled/foiled
  • polypeptide that is coiled/foiled with a 3D shape

Question 49

Question
What is the third level of a protein structure?
Answer
  • the tertiary level that has a secondary coiled/foiled 3D structure
  • the level with 2 or more proteins

Question 50

Question
What is the fourth level of a protein structure?
Answer
  • tertiary level
  • the quaternary level with 2 or more proteins joined together

Question 51

Question
What does the structural protein function do?
Answer
  • facilitates
  • provides skeletal support for softer cells

Question 52

Question
What does enzymes do in a protein function?
Answer
  • facilities and speed up chemical reactions
  • carry molecules to proteins

Question 53

Question
What does transports do in protein function do?
Answer
  • carry proteins
  • some proteins carry other molecules

Question 54

Question
What does the membrane receptor protein function do?
Answer
  • receives signals inside of the cell and transport them outside
  • carry molecules in and outside o f cells

Question 55

Question
What does the membrane channel protein function do?
Answer
  • allow certain molecules to go in outside of cells
  • allows receptors to facilitate

Question 56

Question
What are lipids?
Answer
  • nucleic acids
  • oily fats that store long term energy saturated or unsaturated

Question 57

Question
What is the difference between unsaturated and saturated fats?
Answer
  • unsaturated fat have no carbon to carbon double bonds and an saturated fats have one or more c to c double bonds
  • saturated fats have no carbon to carbon double bonds and an unsaturated fat have one or more c to c double bonds

Question 58

Question
What are the basics building blocks of a cell membrane?
Answer
  • lipids
  • phospholipids

Question 59

Question
What are the bases for DNA?
Answer
  • A, T, C, G
  • A, U, C, G

Question 60

Question
What are the bases for RNA?
Answer
  • A, T, C, G
  • A, U, C, G

Question 61

Question
What does the DNA stores?
Answer
  • copies of RNA
  • all genetic information

Question 62

Question
What is a genes
Answer
  • a segment of DNA molecules that codes to make proteins
  • a sequence of RNA bases coding for proteins

Question 63

Question
What are genes made of?
Answer
  • RNA
  • codons

Question 64

Question
What are sequence of 3 base letters coding words of DNA?
Answer
  • codons
  • bases

Question 65

Question
Each codon?
Answer
  • specifies an amino acid
  • specifies a codon

Question 66

Question
There are 20 amino acids and 64 codons
Answer
  • True
  • False

Question 67

Question
There are 34 mini acids and 43 codons.
Answer
  • True
  • False