what remains the same between the two groups

Ultimately, all scientific knowledge comes from...

both experimentation and observation

The most common elements in most living things are

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur

studbud

MrDrJones Bio 101 Ch 1 2 3 biology, organic chem, macromol.

79 termsStudBud Administration203 plays

Duplicate of Macromolecules: Macromolecule review: Proteins, Carbohydrates, Lipids, Nucleic Acids Duplicate of Bio 101 Lecture 3: Macromolecules: Macromolecules MrDrJones biology 101 scientific method: A #science #biology review MrDrJones bio101 atoms and molecules: biology v

Flashcards79 cardsFPractice quizPHost liveL

Questions 79

Answers

1
What elements make up a carbohydrate?
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon and Nitrogen
2
the weakest bond we have studied but in high number affect biology
hydrogen
ionic
covalent
polar covalent
3
a steady state of living things maintaining the inside of the cell within certain parameters.
homeostasis
reversible
equilibrium
evenness
4
molecules that have the same atomic number but a different atomic mass
isotopes
polymers
lipids
ions
5
Which is not an important property of carbon?
High electronegativity
4 valence electrons in outer shell
Can form isomers
Binds to functional groups
6
attraction between water molecules and other molecules
bonding
gravity
cohesion
adhesion
7
any molecule that contains carbon
organic molecule
buffer
carbohydrate
macromolecule
8
A series of steps designed to help you solve problems and answer questions
hypothesis
experiment
scientific method
observation
9
What kind of bond involves the hydrogen atom being attracted to the negative part of the atom?
Hydrogen
Covalent
Ionic
10
The process of obtaining information by using the senses is called a/an
observation
inquiry
conclusion
scientific method
11
A molecule with same molecular formula but different spatial or structural characteristic is an
Isomer
Isosceles
Isotope
Isotonic
12
chemical bond that forms between ions with opposite charges
hydrogen bond
covalent bond
polar bond
ionic bond
13
What are examples of Lipids?
Enzymes and Amino Acids
Oil's and Cholesterol
RNA and DNA
Sugars and Starches
14
Which is not true of saturated fats?
Large Kink in Tail
Straight lines
Single Bonds
Solid at room temperature
15
In which step of the scientific method do we want to use graphs
communicate results
analyze data
asking questions
making a hypothesis
16
What is an example of a monosaccharide?
glucose
sucrose
cellulose
17
the ability of some atoms to attract electrons
electronegativity
polarness
proton repellent
electron magnetism
18
The control is ____
what the test group is compared to
the test group
what remains the same between the two groups
the data
19
What kind of bond involves the sharing of an electron?
Hydrogen
Ionic
Covalent
20
What is the pH of water?
Acid 0-6
Base 8-14
Neutral 7
21
a molecule that donates hydroxide ions or binds excess hydrogen ions
buffer
neutralizer
base
acid
22
Which carbohydrate is most likely used for long term energy storage in animals?
Starch (moderately branched)
Glycogen (highly branched)
Chitin (unbranched)
23
The clock chimed twice. Observation or Inference?
Observation
Inference
24
A substance formed by the chemical combination of two or moreelements is
nucleic acid
compound
enzyme
substrate
25
What is the function of Carbohydrates?
transfers information (hereditary or protein creation)
workers of the cell
first energy source for cells
long term energy source
26
a negative ion
enantiomer
cation
iosomer
anion
27
scale that ranges from 0 to 14
pH measure
ph scale
PH scale
pH scale
28
How would you describe a phospholipid?
Amphipathic
Hydrophilic
Hydrophobic
29
What is the function of proteins?
workers of the cell
first energy source for cells
long term energy source
transfers information (hereditary or protein creation)
30
tension at the surface of the body of a liquid
cohesion
adhesion
surface tension
density
31
What are examples of Carbohydrates?
Enzymes and Amino Acids
RNA and DNA
Sugars and Starches
Oil's and Cholesterol
32
Which of the following does not describe DNA?
Double Stranded
Contains ribose
Stores genetic information
Contains thymine
33
What kind of bond involves the transfer of an electron?
Ionic
Covalent
Hydrogen
34
Water molecules have a positive side where hydrogens don't have a share of their electrons and a negative side
electronegaitve
covalent
polar
nonpolar
35
The child's temperature was 101 degrees. Quantitative or Qualitative?
Qualitative
Quantitative
36
What is the function of Lipids?
workers of the cell
first energy source for cells
long term energy source
transfers information (hereditary or protein creation)
37
A hypothesis is an educated guess that must be
proven true
made a theory
testable
made a law
38
What is an example of a polysaccharide?
glucose
cellulose
sucrose
39
What would you find in the nucleus of an atom?
electrons
protons
protons and neutrons
neutrons
40
Ultimately, all scientific knowledge comes from...
both experimentation and observation
only experimentation
textbooks
only observation
41
a bond that forms as a result of sharing of electrons between the same types of atoms in a molecule
polar covalent
polar hydrogen
polar ionic
polar bonding
42
Qualitative observations are
sometimes words and numbers
words and numbers
numbers only
words only
43
loss of a normal shape of aprotein due to heating
denaturation
monomer
polymer
hydrocarbons
44
Which is not true about hydrolysis reactions?
Water is used to split a molecule
Energy is released when the bonds are broken
H+ and OH- are incorporated into two new molecules
They build macromolecules
45
substance that can dissolve another substance
solvent
solute
solvention
solution
46
A hypothesis must be...
experimental
proven correct
observed
testable
47
The first step of the scientific method involves
forming a hypothesis
performing an experiment
making observations
predicting the result of an experiment
48
A hypothesis is a _____ of the outcome of the experiment.
mistake
prediction
conclusion
observation
49
total number of protons and neutrons in an atom
atomic number
period number
atomic mass
atomic weight
50
Which of the following is not a functional group?
Phosphate
Amino
Carboxyl
Oxycotyl
51
The most common elements in most living things are
Helium, Neon, Argon, Krypton, Radon
oxygen, carbon dioxide,hydrogen, and nitrogen
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur
oxygen, carbon, hydrogen, and nitrogen dioxide
52
In an experiment, the one variable that is tested is called the
dependent variable
controlled variable
experimental variable
independent variable
53
ions or polar molecules that interact well with other polar molecule like water
solute
solvent
hydrophobic
hydrophillic
54
What is the function of Nucleic Acid's?
long term energy source
workers of the cell
transfers information (hereditary or protein creation)
first energy source for cells
55
In an experiment, the factor that we measure is called the
experimental variable
dependent variable
controlled variable
independent variable
56
Which of the following is due to hydrogen bonds
high specific heat
high heat of vaporization
adhesion
water is universal solvent
57
What is an isotope?
a version of an element with different electrons
a version of an element with different protons
a version of an element with different neutrons
58
Theories help scientists to ...
explain large bodies of data
determine truth from lies
prove hypotheses
guide new experiments within parameters
59
What skill is a scientist using when she listens to the sounds that whales makes?
making observations
drawing conclusions
making a hypothesis
interpreting data
60
How do you test a hypothesis?
record results
perform an experiment
make a graph
gather data
61
What is the relationship between a polymer and a monomer?
Polymers are made from the hydrolysis of monomers
Monomers are made from the condensation of polymers
Monomers are made from the hydrolysis of polymers
Polymers are made from the condensation of monomers
62
A polymer means many...
denaturation
polymer
hydrocarbons
monomer
63
When a substance bonds with itself this is an example of...
adhesion
density
cohesion
substrate
64
a substance that cannot be broken down into smaller substances
proton
molecule
element
carbohydrate
65
What elements make up a Lipid?
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen, Carbon and Nitrogen
66
What type of macromolecule is an enzyme?
carbohydrate
nucleic acid
lipid
protein
67
uncharged particle in the nucleus of an atom
neutron
proton
electron
quark
68
If I have something that has a pH of 2 what is it?
Base
Neutral
Acid
69
Which of the following is an observation?
Baseball is fun.
The leaves on the tree are green.
My dog is the best.
Roses are pretty.
70
To be a valid experiment you should have...
one changed variable
all of the above
a control group
an experimental group
71
What are examples of Proteins?
Sugars and Starches
RNA and DNA
Oil's and Cholesterol
Enzymes and Amino Acids
72
IF a theory is challenged by new evidence, which of the following would occur?
a vote is taken on whether to accept the new evidence
the evidence is wrong
the theory could be changed
the theory is accepted, not the evidence
73
What is a catalyst?
fits like a lock and key
speeds up chemical reactions
it's like an enzyme
74
What elements make up a protein?
Hydrogen, Oxygen, Carbon and Nitrogen
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
75
a substance that prevents a change in pH by absorbing or releasing hydrogen or hydroxide ions
buffer
base
neutralizer
acid
76
What are examples of Nucleic Acids?
Oil's and Cholesterol
Sugars and Starches
Enzymes and Amino Acids
RNA and DNA
77
When a scientist shares her findings with other scientists, she is
making a hypothesis
experimenting
communicating results
analyzing data
78
Which of the monomers and polymers are correctly paired?
Lipid – Nucleotide
Carbohydrate – Disaccharide
Proteins – Peptides
Nucleic Acid – Amino Acid
79
What elements make up Nucleic Acids?
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen, Carbon and Nitrogen

MrDrJones Bio 101 Ch 1 2 3 biology, organic chem, macromol. Flashcards | StudBud

MrDrJones Bio 101 Ch 1 2 3 biology, organic chem, macromol.

79 termsStudBud Administration203 plays

Flashcards79 cardsFPractice quizPHost liveL

Questions 79

Answers

1
What elements make up a carbohydrate?
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon and Nitrogen
2
the weakest bond we have studied but in high number affect biology
hydrogen
ionic
covalent
polar covalent
3
a steady state of living things maintaining the inside of the cell within certain parameters.
homeostasis
reversible
equilibrium
evenness
4
molecules that have the same atomic number but a different atomic mass
isotopes
polymers
lipids
ions
5
Which is not an important property of carbon?
High electronegativity
4 valence electrons in outer shell
Can form isomers
Binds to functional groups
6
attraction between water molecules and other molecules
bonding
gravity
cohesion
adhesion
7
any molecule that contains carbon
organic molecule
buffer
carbohydrate
macromolecule
8
A series of steps designed to help you solve problems and answer questions
hypothesis
experiment
scientific method
observation
9
What kind of bond involves the hydrogen atom being attracted to the negative part of the atom?
Hydrogen
Covalent
Ionic
10
The process of obtaining information by using the senses is called a/an
observation
inquiry
conclusion
scientific method
11
A molecule with same molecular formula but different spatial or structural characteristic is an
Isomer
Isosceles
Isotope
Isotonic
12
chemical bond that forms between ions with opposite charges
hydrogen bond
covalent bond
polar bond
ionic bond
13
What are examples of Lipids?
Enzymes and Amino Acids
Oil's and Cholesterol
RNA and DNA
Sugars and Starches
14
Which is not true of saturated fats?
Large Kink in Tail
Straight lines
Single Bonds
Solid at room temperature
15
In which step of the scientific method do we want to use graphs
communicate results
analyze data
asking questions
making a hypothesis
16
What is an example of a monosaccharide?
glucose
sucrose
cellulose
17
the ability of some atoms to attract electrons
electronegativity
polarness
proton repellent
electron magnetism
18
The control is ____
what the test group is compared to
the test group
what remains the same between the two groups
the data
19
What kind of bond involves the sharing of an electron?
Hydrogen
Ionic
Covalent
20
What is the pH of water?
Acid 0-6
Base 8-14
Neutral 7
21
a molecule that donates hydroxide ions or binds excess hydrogen ions
buffer
neutralizer
base
acid
22
Which carbohydrate is most likely used for long term energy storage in animals?
Starch (moderately branched)
Glycogen (highly branched)
Chitin (unbranched)
23
The clock chimed twice. Observation or Inference?
Observation
Inference
24
A substance formed by the chemical combination of two or moreelements is
nucleic acid
compound
enzyme
substrate
25
What is the function of Carbohydrates?
transfers information (hereditary or protein creation)
workers of the cell
first energy source for cells
long term energy source
26
a negative ion
enantiomer
cation
iosomer
anion
27
scale that ranges from 0 to 14
pH measure
ph scale
PH scale
pH scale
28
How would you describe a phospholipid?
Amphipathic
Hydrophilic
Hydrophobic
29
What is the function of proteins?
workers of the cell
first energy source for cells
long term energy source
transfers information (hereditary or protein creation)
30
tension at the surface of the body of a liquid
cohesion
adhesion
surface tension
density
31
What are examples of Carbohydrates?
Enzymes and Amino Acids
RNA and DNA
Sugars and Starches
Oil's and Cholesterol
32
Which of the following does not describe DNA?
Double Stranded
Contains ribose
Stores genetic information
Contains thymine
33
What kind of bond involves the transfer of an electron?
Ionic
Covalent
Hydrogen
34
Water molecules have a positive side where hydrogens don't have a share of their electrons and a negative side
electronegaitve
covalent
polar
nonpolar
35
The child's temperature was 101 degrees. Quantitative or Qualitative?
Qualitative
Quantitative
36
What is the function of Lipids?
workers of the cell
first energy source for cells
long term energy source
transfers information (hereditary or protein creation)
37
A hypothesis is an educated guess that must be
proven true
made a theory
testable
made a law
38
What is an example of a polysaccharide?
glucose
cellulose
sucrose
39
What would you find in the nucleus of an atom?
electrons
protons
protons and neutrons
neutrons
40
Ultimately, all scientific knowledge comes from...
both experimentation and observation
only experimentation
textbooks
only observation
41
a bond that forms as a result of sharing of electrons between the same types of atoms in a molecule
polar covalent
polar hydrogen
polar ionic
polar bonding
42
Qualitative observations are
sometimes words and numbers
words and numbers
numbers only
words only
43
loss of a normal shape of aprotein due to heating
denaturation
monomer
polymer
hydrocarbons
44
Which is not true about hydrolysis reactions?
Water is used to split a molecule
Energy is released when the bonds are broken
H+ and OH- are incorporated into two new molecules
They build macromolecules
45
substance that can dissolve another substance
solvent
solute
solvention
solution
46
A hypothesis must be...
experimental
proven correct
observed
testable
47
The first step of the scientific method involves
forming a hypothesis
performing an experiment
making observations
predicting the result of an experiment
48
A hypothesis is a _____ of the outcome of the experiment.
mistake
prediction
conclusion
observation
49
total number of protons and neutrons in an atom
atomic number
period number
atomic mass
atomic weight
50
Which of the following is not a functional group?
Phosphate
Amino
Carboxyl
Oxycotyl
51
The most common elements in most living things are
Helium, Neon, Argon, Krypton, Radon
oxygen, carbon dioxide,hydrogen, and nitrogen
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur
oxygen, carbon, hydrogen, and nitrogen dioxide
52
In an experiment, the one variable that is tested is called the
dependent variable
controlled variable
experimental variable
independent variable
53
ions or polar molecules that interact well with other polar molecule like water
solute
solvent
hydrophobic
hydrophillic
54
What is the function of Nucleic Acid's?
long term energy source
workers of the cell
transfers information (hereditary or protein creation)
first energy source for cells
55
In an experiment, the factor that we measure is called the
experimental variable
dependent variable
controlled variable
independent variable
56
Which of the following is due to hydrogen bonds
high specific heat
high heat of vaporization
adhesion
water is universal solvent
57
What is an isotope?
a version of an element with different electrons
a version of an element with different protons
a version of an element with different neutrons
58
Theories help scientists to ...
explain large bodies of data
determine truth from lies
prove hypotheses
guide new experiments within parameters
59
What skill is a scientist using when she listens to the sounds that whales makes?
making observations
drawing conclusions
making a hypothesis
interpreting data
60
How do you test a hypothesis?
record results
perform an experiment
make a graph
gather data
61
What is the relationship between a polymer and a monomer?
Polymers are made from the hydrolysis of monomers
Monomers are made from the condensation of polymers
Monomers are made from the hydrolysis of polymers
Polymers are made from the condensation of monomers
62
A polymer means many...
denaturation
polymer
hydrocarbons
monomer
63
When a substance bonds with itself this is an example of...
adhesion
density
cohesion
substrate
64
a substance that cannot be broken down into smaller substances
proton
molecule
element
carbohydrate
65
What elements make up a Lipid?
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen, Carbon and Nitrogen
66
What type of macromolecule is an enzyme?
carbohydrate
nucleic acid
lipid
protein
67
uncharged particle in the nucleus of an atom
neutron
proton
electron
quark
68
If I have something that has a pH of 2 what is it?
Base
Neutral
Acid
69
Which of the following is an observation?
Baseball is fun.
The leaves on the tree are green.
My dog is the best.
Roses are pretty.
70
To be a valid experiment you should have...
one changed variable
all of the above
a control group
an experimental group
71
What are examples of Proteins?
Sugars and Starches
RNA and DNA
Oil's and Cholesterol
Enzymes and Amino Acids
72
IF a theory is challenged by new evidence, which of the following would occur?
a vote is taken on whether to accept the new evidence
the evidence is wrong
the theory could be changed
the theory is accepted, not the evidence
73
What is a catalyst?
fits like a lock and key
speeds up chemical reactions
it's like an enzyme
74
What elements make up a protein?
Hydrogen, Oxygen, Carbon and Nitrogen
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
75
a substance that prevents a change in pH by absorbing or releasing hydrogen or hydroxide ions
buffer
base
neutralizer
acid
76
What are examples of Nucleic Acids?
Oil's and Cholesterol
Sugars and Starches
Enzymes and Amino Acids
RNA and DNA
77
When a scientist shares her findings with other scientists, she is
making a hypothesis
experimenting
communicating results
analyzing data
78
Which of the monomers and polymers are correctly paired?
Lipid – Nucleotide
Carbohydrate – Disaccharide
Proteins – Peptides
Nucleic Acid – Amino Acid
79
What elements make up Nucleic Acids?
Hydrogen, Oxygen and Carbon
Hydrogen, Oxygen, Carbon, Nitrogen and Phosphorpus
Hydrogen, Oxygen, Carbon and Nitrogen