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Chapter 2- Basic Chemistry Flashcards | StudBud
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Chapter 2- Basic Chemistry
Chapter 2- Basic Chemistry
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The Human Body in Health and Illness
Flashcards
43 cards
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Questions
43
Answers
1
Which macromolecule is the primary compound found in butter, olive oil & bacon?
Lipids
Carbohydrates
Proteins
Nucleic Acids
2
Why are LIPIDS important for life?
Protection, Insulation, & Barriers
Traits, Enzymes & Immunity.
Quick & Long-term energy.
Codes & Makers for life proteins.
3
What is the KEY macromolecule compound found in beans, nuts and meats?
Lipids
Carbohydrates
Proteins
Nucleic Acids
4
Which chemical solutions contain H+ (hydrogen) ions?
Bases
All Solutions
Neutrals
Acids
5
IONIC bonding is best represented by which of the following?
2-hands with fingers-locked.
The "dabbing" dance move.
Lending a cell phone to a friend.
Dancing fists.
6
Which of the following is a synthesis reactions?
Fish + Fish Food = A Fat Fish
Fe2+ + CuSO4 --> Cu2+ + FeSO4
Two guys swap hats.
AB = A + B
7
Which statement is TRUE about the nucleus of an atom?
Its contents makes up most of the atomic mass.
Negatively charged particles are found there.
Atoms can lose & gain particles from the nucleus.
BOTH protons and electrons are found there.
8
Which lipid makes up a cell membrane?
Steroids
Phospholipids
Waxes
Cholesterol
9
Which macromolecule for life is made up of "amino acid" monomers?
Lipids
Proteins
Nucleic Acids
Carbohydrates
10
Many salts, acids & bases are electrolytes. What does that mean?
They are all organic.
They are all polar compounds.
They are found in Powerade.
They conduct electrical currents.
11
Which type of solution would include blood, eggs, & ammonia as good examples?
Bases
Neutrals
All Solutions
Acids
12
Human saliva has a pH of 6.5, which means that human saliva is...
A strong base
A strong acid
A weak acid
A weak base
13
What is TRUE about ATOMS?
Made of just protons & electrons.
They bond when they are stable.
They are smallest units of matter.
They are the smallest units of life.
14
What makes carbon so special and important to life?
Carbon is found in ALL living things.
Carbon can form 4-covalent bonds at once.
Carbon is one of the top 4 elements in life.
Carbon has 6 protons & 6 neutrons.
15
Which macromolecule compounds are the CODES for making all life proteins?
Nucleic Acids
Proteins
Carbohydrates
Lipids
16
Hair, muscle, & skin are all mostly made up of which macromolecule for life?
Proteins
Lipids
Nucleic Acids
Carbohydrates
17
Which is the KEY macromolecule found in bread, juice and candy?
Nucleic Acids
Carbohydrates
Lipids
Proteins
18
Which of the following BEST represents a SINGLE-exchange reaction?
Two men swap their hats.
One guy cuts in on a dancing couple.
Starch breaks down into sugars.
Amino Acids combine to make protein.
19
Which of the following is ORGANIC?
C6H12O6
H2O
NaCl
CO2
20
Human blood is a weak base. What is the best pH number for blood?
pH= 2
pH= 13
pH= 7.5
pH= 6.5
21
Which of the following elements is a KEY element found in life?
Sodium (Na)
Helium (He)
Nitrogen (N)
Lithium (Li)
22
Which macromolecule of life is made up of "nucleotide" monomers?
Lipids
Proteins
Carbohydrates
Nucleic Acids
23
Which of the following is a BASIC (alkaline) substance?
Citrus Fruits
HCl
NaOH
Coffee
24
Which of the following is an example of an INORGANIC compound?
DNA
CO2
C6H12O6
Protein
25
Neutrons are defined as...
None-charged particles in the nucleus.
Negative-charged particles in the orbitals.
Negative-charged particles in the nucleus.
Positive-charged particles in the nucleus.
26
What does the atomic MASS represent?
All electrons in the orbital shells.
All protons & electrons in the atom.
All protons in the nucleus.
All protons & neutrons in the nucleus.
27
What makes water so very important for life?
It is a polar compound.
It is found in your body.
It helps cushion the brain.
It is a strong solvent.
28
Why should you eat PASTA the night before a big sporting activity?
Pasta is a good protein source.
Pasta provides insulation & protection.
Starch provides long-term energy.
Carbs make you sleep better.
29
What is a synthesis reaction?
A single compound cutting in on a larger compound.
A big compound breaking apart.
Two large compounds swapping partners.
Compounds combining to make a bigger compound.
30
Which of the following is a double replacement reaction?
AB + CD = AD + CB
A + B = AB
AB = A + B
AB + C = AC + B
31
What are the names for the substances that make up all matter?
Atoms
Cells
Elements
Electrons
32
How could you BEST define an ORGANIC compound?
Very few chemical bonds.
Simple, Small Compounds.
Contains one or no Carbon atoms.
Contains lots of carbon-to-carbon bonds.
33
Which macromolecule for life is made up of "fatty acid" monomers?
Lipids
Carbohydrates
Nucleic Acids
Proteins
34
Which types of solutions have a pH range of 0-6.9?
All Solutions
Acids
Neutrals
Bases
35
Which macromolecule compounds are most often used as a fuel or energy source?
Lipids
Nucleic Acids
Carbohydrates
Proteins
36
Which of the following represents the digestive process?
Protein broken down --> amino acids
CARBS broken down --> fatty acids
Lipids broken down into --> carbs
Nucleic Acids --> DNA
37
A carbon atom has an atomic-number of 6 and an atomic-mass of 12. What is TRUE about carbon?
Carbon atoms have 6 protons.
Carbon atoms are stable.
Carbon atoms have 12 neutrons.
Carbon atoms have 12 electrons.
38
Which of the following is NOT a protein?
Lactose
Muscles
Hemoglobin
Amylase
39
How can you determine if an atom is STABLE?
It has equal protons and neutrons.
It has equal protons and electrons.
Its outer electron ring is filled.
Its outer electron ring is NOT filled.
40
What is a hydrogen bond?
Polar molecules attracting.
Atoms lending & gaining electron.
Hydrogen atoms covalently bonded
Atoms sharing electons.
41
What are the basic building block (monomers) of all carbohydrates?
Monosaccharides
Fatty Acids
Amino Acids
Nucleic Acids
42
Which macromolecules for life are made up of "monosaccharide" monomers?
Proteins
Nucleic Acids
Carbohydrates
Lipids
43
Why do small babies & elderly folks get cold easily?
They do not wear enough clothing layers.
They do not have enough fat under their skin.
They do not eat enough lipid (fats).
They do not exercise enough.
