stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chemistry in Biology Flashcards | StudBud
Explore
/
Chemistry in Biology
Chemistry in Biology
45 terms
·
StudBud Administration
·
3,202 plays
Biochemistry #biology #chemistry
Flashcards
45 cards
F
Practice quiz
P
Host live
L
Questions
45
Answers
1
How many electrons are in the second energy level of an atom?
2
8
4
1
2
In this molecule of carbon monoxide, how many electrons is the oxygen atom sharing with carbon?
1
2
6
3
3
What is the structure shown here?
compounds called nucleic acids
macromolecules called carbohydrates
compounds called proteins
elements called carbohydrates
4
What are saturated fats?
lipids with single bonds between carbon atoms
proteins with double bonds between carbon atoms
lipids with double bonds between carbon atoms
proteins with single bonds between carbon atoms
5
How many amino acids are there?
20
25
22
30
6
What is an isotope?
Atoms with different numbers of electrons.
Atoms with different number of neutrons.
Atoms with different numbers of protons.
7
The monomer of proteins are ___________.
amino acids
glucose
nucleotides
fatty acids
8
P stands for the element ____________.
Nitrogen
Iron
Potassium
Phosphorus
9
Which particles are not involved in covalent bonding?
Protons and electrons
Neutrons and electrons
Protons and neutrons
10
Which one is not a protein?
Hemoglobin
Enzyme
Blubber
Lactase
11
A covalent bond is between a ___________ and a _____________.
nonmetal and nonmetal
metal and nonmetal
metal and metal
12
Atoms are the building blocks of ___________.
compounds
matter
chemicals
chemical bonds
13
How many electrons are in the second energy level of carbon?
8
4
2
1
14
Basic solutions are produced by the release of ____ ions.
oxygen
potassium
hydrogen ions
hydroxide ions
15
What is activation energy?
The energy required to form the enzyme-substrate complex.
The minimum amount of energy required to form products.
The maximum amount of energy required to form products.
The energy required to stop a reaction.
16
What particle is directly involved in forming chemical bonds?
Neutrons
Protons
Neutrinos
Electrons
17
What is the function of the enzyme substrate complex?
Prevent reactants from binding
Break and form chemical bonds
Denature the enzyme
Stop chemical reactions
18
What kind of chemical reaction does this energy diagram show?
Exothermic
Endothermic
Ionic
19
True/False: Molecules are held together by ionic bonds.
True
False
20
True/False: Changing the number of neutrons can effect the stability of an atom.
False
True
21
Which biomolecule is involved in muscle development?
Nucleic Acids
Lipids
Carbohydrates
Protein
22
What kind of bonding is this compound displaying?
Van Der Waals
covalent
ionic
23
How do enzymes benefit chemical reactions?
Raise the activation energy
Slow down the reaction
Lower the activation energy
Increase the amount of product
24
What is the chemical formula for the substance in the picture below?
H2O2
MgCl
NaCl
H2O
25
Which one is not a disaccharide?
lactose
sucrose
maltose
glucose
26
Elements are made up of how many atoms?
4
1
6
2
27
Chemistry is the study of ______________.
stuff
matter
life
chemicals
28
These molecules are formed by ____.
amino acids
carbon
potassium
phosphorus
29
Which biomolecule is composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus (CHONP)?
Carbohydrates
Lipids
Amino acid
DNA
30
How do buffers help maintain homeostasis?
remove all hydrogen ions
raise pH above 9
lower pH below 4
neutralize acids and bases
31
What particles are outside the nucleus of an atom?
proton and neutron
electrons
electron and neutron
DNA
32
An ionic bond is between a ____________ and a ________________.
nonmetal and metal
metal and metal
nonmetal and nonmetal
33
Which statement is true based on this scale?
Oven cleaner is neutral.
Baking soda is more basic than bananas.
Vinegar is basic.
Lemons are basic.
34
How do solutes and solvents interact?
solvents dissolve in solutes
solvents change the properties of solutes
solutes dissolve in solvents
solutes change the properties of solvents
35
What kind of forces help geckos climb smooth surfaces?
Van Der Waals
ionic
covalent
36
Which biomolecule stores genetic information?
Lipids
RNA
Glucose
Amino acids
37
Enzymes are part of which biomolecule category?
Carbohydrates
Lipids
Proteins
Nucleic Acids
38
The monomer of nucleic acids is _____________.
nucleotides
nucleus
DNA
nucleous
39
Which biomolecule is composed of carbon, hydrogen, oxygen, and nitrogen (CHON)?
DNA
Amino acid
RNA
Glucose
40
In the chemical reaction below, what are the reactants?
methane and carbon
carbon and water
water and methane
Methane and oxygen
41
Which one is a polysaccharide?
Lactose
Sucrose
Cellulose
Maltose
42
Molecules made from units of identical compounds linked by covalent bonds are called ____.
nucleic acids
polymers
atoms
elements
43
Which biomolecule is composed of carbon, hydrogen, and oxygen (CHO)?
DNA
Amino acid
Glucose
44
Which one is not a monosaccharide?
fructose
glucose
sucrose
galactose
45
What kind of bonding is this compound displaying?
Van Der Waals
ionic
covalent
