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Biology Exam 1 Material Flashcards | StudBud
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Biology Exam 1 Material
Biology Exam 1 Material
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#biology
Flashcards
43 cards
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Answers
1
An atom with a negative charge has _________.
more protons than electrons
more electrons than protons
more neutrons than protons
2
The interactions between multiple water molecules are called
hydrogen bonds
double covalent bonds
ionic bonds
polar covalent bonds
3
The covalent bond between 2 amino acids is called a
glycosidic bond
ester bond
phosphodiester bond
peptide bond
4
When 2 atoms share 1 or more pair of electrons, the bond formed is a(n) _________ bond.
isotope
covalent
ionic
hydrogen
5
Saturated fats are
liquid at room temperature
solid at room temperature
6
What are the kingdoms of the domain Eukarya?
Bacteria, Fungi, Plantae, Protista
Archae, Bacteria, Animalia, Protista
Plantae, Fungi, Animalia, Protista
7
Place the organismal levels in hierarchical order.
Organ Systems, Tissue, Organs
Organs, Tissues, Organ Systems
Tissue, Organs, Organ Systems
8
Atoms in which the number of electrons does not equal the number of protons are known as
isomers
valences
ions
isotopes
9
Which of the following is an example of a polysaccharide?
maltose
starch
glucose
fructose
10
This functional group is found in
DNA
carbohydrates
amino acids
phospholipids
11
Nonpolar molecules are
hydrophillic
hydrophobic
carbohydrates
charged
12
This functional group is a
carboxyl
aldehyde
salicylic
carbonyl
13
Which element is very electronegative?
O
C
N
H
14
DNA and RNA are
nucleic acids
lipids
carbohydrates
protein
15
Proteins digested by trypsin in the stomach are broken down to amino acids by
anabolic reactions
dehydration reactions
denaturation reactions
hydrolysis reactions
16
A scientific
theory
is much broader in scope than a hypothesis.
False
True
17
Which is a true statement?
both carboxyl and amino groups act as bases
both carboxyl and amino groups act as acids
A carboxyl acts as a base and an amino acts as an acid.
A carboxyl acts as an acid and an amino acts as a base.
18
The carbohydrate found stored in human muscle cells is called
glycogen
cellulose
starch
chitin
19
Identify this macromolecule
carbohydrate
lipid
nucleic acid
protein
20
C-12, C-13, and C-14 are
isomers
stereoisomers
isotopes
21
Water molecules are polar and attract to each other through
covalent bonds
peptide bonds
ionic bonds
hydrogen bonds
22
The sugar found in DNA is called
deoxyribose
ribose
fructose
glucose
23
Water molecules are polar. A polar molecule is one in which the _________.
electrons are unequally distributed around the molecule
electrons are equally distributed around the molecule
24
Sugars and phosphates of nucleotides are connected by what type of bond?
peptide bond
phosphodiester bond
Hydrogen bond
ionic bond
25
The smallest living thing is
DNA
the cell
organism
atom
26
What should you do after forming a hypothesis?
order supplies for your experiments
begin performing experiments
research your topic in pubmed
27
Identify this molecule
protein
cholesterol
phospholipid
nucleic acid
28
Amino acids have a carbon covalently linked to (Check all that apply)
a carboxyl group
a variable R group
a hydrogen
an amino group
29
The number of protons in a given atom is equal to its
atomic number
neutron number
atomic mass
molecular number
30
The fatty acid tails (hydrocarbons) of a triglyceride are
nonpolar
polar
hydrophilic
hydrophobic
31
What are saturated fats saturated with?
carbon
hydrogen
phosphorus
nitrogen
32
The bonds between the oxygen and hydrogens in one water molecule are called
ionic bond
double covalent bond
hydrogen bond
polar covalent bond
33
Property of life that states all living things maintain relatively constant internal conditions
energy utilization
heredity
homeostasis
development
34
What name is given to the following reaction? sucrose + water --> glucose + fructose
hydrolysis
gluconeogenesis
dehydration synthesis
denaturization
35
A single mutation in DNA can alter protein function.
True
False
36
Each different protein is unique due to its_________.
sequence of amino acids
number of nucleotides
arrangement of monosaccharides
saturation
37
Carbon can form ______ covalent bonds.
5
3
2
4
38
Phospholipids are composed of
phosphate group
Glycerol
fatty acids
all of the above
39
Plants and other photosynthetic organisms are
consumers
producers
40
Negatively charged subatomic particles that have almost no mass are called
electrons
protons
neutrons
41
What are the 3 domains of life?
Archaea, Protista, Eukarya
Bacteria, Protista, Plantae
Archaea, Fungi, Plantae
Bacteria, Archaea, Eukarya
42
This functional group (red) is an ______ group, which is found in ______.
sulfhydryl, amino acids
sulfhydryl, lipids
amino, amino acids
amino, lipids
43
Cohesion refers to
water molecules sticking to other polar molecules
water molecules sticking to each other
