Question 1

Match between columns
                        Premises: measure of the relative concentration of hydrogen ions in a solution

Accepted Answer

The Answer of acid and base and pH and neutral is...

Question 2

Fats are major components of the cell's ____.

Accepted Answer

A) membranes 
B) cytoplasm 
C) proteins 
D) ribosomes 
E) DNA 
A) membranes 
B) cytoplasm 
C) proteins 
D) ribosomes 
E) DNA

Question 3

Which food product would likely contain the largest amount of unsaturated fat?

Accepted Answer

A) butter 
B) lard 
C) salami 
D) olives 
E) cheese 
A) butter 
B) lard 
C) salami 
D) olives 
E) cheese

Question 4

Match between columns
                        Premises: substance that can maintain the pH of a solution at a relatively constant level

Accepted Answer

The Answer of neutral and buffer and pH and base is...

Question 5

Match between columns
                        Premises: total number of protons and neutrons in the nucleus of an atom

Accepted Answer

The Answer of mass number and ions and isotopes and is...

Question 6

Nearly all of life's chemistry occurs near a pH of ____.

Accepted Answer

A) ​1 
B) ​3 
C) ​5 
D) ​7 
E) ​9 
A) ​1 
B) ​3 
C) ​5 
D) ​7 
E) ​9

Question 7

Fats will dissolve in ethanol. Ethanol is an example of a ____.

Accepted Answer

A) solute 
B) solution 
C) solvent 
D) salt 
E) ion 
A) solute 
B) solution 
C) solvent 
D) salt 
E) ion

Question 8

Sweating to keep cool in the summer is the result of ____.

Accepted Answer

A) hydrogen bonds breaking to release energy 
B) hydrogen bonds forming, which requires energy 
C) evaporation of water giving off energy 
D) cohesion of water molecules giving off energy 
E) cohesion of water molecules requiring energy 
A) hydrogen bonds breaking to release energy 
B) hydrogen bonds forming, which requires energy 
C) evaporation of water giving off energy 
D) cohesion of water molecules giving off energy 
E) cohesion of water molecules requiring energy

Question 9

Match between columns
                        Premises: nucleotide

Accepted Answer

The Answer of A and C and B and F is...

Question 10

Match between columns
                        Premises: the bond between the two strands of DNA in a double helix

Accepted Answer

The Answer of covalent and hydrogen and ionic is...

Question 11

In ____ bonds, atoms share electrons equally.

Accepted Answer

A) double 
B) ionic 
C) polar covalent 
D) nonpolar covalent 
E) hydrogen 
A) double 
B) ionic 
C) polar covalent 
D) nonpolar covalent 
E) hydrogen

Question 12

Match between columns
                        Premises: isotope with an unstable nucleus

Accepted Answer

The Answer of isotopes and mass number and ions and is...

Question 13

Oxygen has an atomic number of 8. This means that oxygen has ____.

Accepted Answer

A) 8 electrons in its outer most shell 
B) 8 neutrons in its nucleus 
C) 4 protons and 4 neutrons in its nucleus 
D) 8 protons in its nucleus 
E) 8 protons and 8 neutrons in its nucleus 
A) 8 electrons in its outer most shell 
B) 8 neutrons in its nucleus 
C) 4 protons and 4 neutrons in its nucleus 
D) 8 protons in its nucleus 
E) 8 protons and 8 neutrons in its nucleus

Question 14

Which property of water molecules is responsible for movement of water from roots to leaves in a plant?

Accepted Answer

A) hydrophobicity 
B) temperature stability 
C) fusion 
D) solvent polarity 
E) cohesion 
A) hydrophobicity 
B) temperature stability 
C) fusion 
D) solvent polarity 
E) cohesion

Question 15

Match between columns
                        Premises: substance that accepts hydrogen ions in solution

Accepted Answer

The Answer of acid and neutral and buffer and base is...

Question 16

What category of compounds helps our body fluids to stay within a consistent pH range?

Accepted Answer

A) solvents 
B) buffers 
C) solutes 
D) acids 
E) bases 
A) solvents 
B) buffers 
C) solutes 
D) acids 
E) bases

Question 17

Match between columns
                        Premises: the bond that holds organic molecules together

Accepted Answer

The Answer of ionic and covalent and hydrogen is...

Question 18

Primary protein structure is dependent upon ____.

Accepted Answer

A) hydrophobic interactions 
B) hydrogen bonds between two amino acids 
C) covalent linkages between carbons and nitrogens of adjacent amino acids 
D) covalent linkages between carbons and oxygens of adjacent amino acids 
E) covalent linkages between the polypeptide and sugars or lipids 
A) hydrophobic interactions 
B) hydrogen bonds between two amino acids 
C) covalent linkages between carbons and nitrogens of adjacent amino acids 
D) covalent linkages between carbons and oxygens of adjacent amino acids 
E) covalent linkages between the polypeptide and sugars or lipids

Question 19

The nucleus of an atom contains ____.

Accepted Answer

A) protons only 
B) electrons only 
C) neutrons only 
D) protons and neutrons 
E) protons and electrons 
A) protons only 
B) electrons only 
C) neutrons only 
D) protons and neutrons 
E) protons and electrons

Question 20

____ is a monosaccharide.

Accepted Answer

A) Cellulose 
B) Fructose 
C) Glycogen 
D) Starch 
E) Sucrose 
A) Cellulose 
B) Fructose 
C) Glycogen 
D) Starch 
E) Sucrose

Fats are major components of the cell's ____.

Which food product would likely contain the largest amount of unsaturated fat?

Nearly all of life's chemistry occurs near a pH of ____.

Fats will dissolve in ethanol. Ethanol is an example of a ____.

Sweating to keep cool in the summer is the result of ____.

In ____ bonds, atoms share electrons equally.

Oxygen has an atomic number of 8. This means that oxygen has ____.

Which property of water molecules is responsible for movement of water from roots to leaves in a plant?

What category of compounds helps our body fluids to stay within a consistent pH range?

Primary protein structure is dependent upon ____.

The nucleus of an atom contains ____.

____ is a monosaccharide.

Invitation to Biology

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Exam 2: Molecules of Life

Fats are major components of the cell's ____.

Which food product would likely contain the largest amount of unsaturated fat?

Nearly all of life's chemistry occurs near a pH of ____.

Fats will dissolve in ethanol. Ethanol is an example of a ____.

Sweating to keep cool in the summer is the result of ____.

In ____ bonds, atoms share electrons equally.

Oxygen has an atomic number of 8. This means that oxygen has ____.

Which property of water molecules is responsible for movement of water from roots to leaves in a plant?

What category of compounds helps our body fluids to stay within a consistent pH range?

Primary protein structure is dependent upon ____.

The nucleus of an atom contains ____.

____ is a monosaccharide.

Invitation to Biology

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters