Question 1

Match the structures below with the appropriate label in the figure above.
-phospholipid

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G 
A) A 
B) B 
C) C 
D) D 
E) E
F)F
G)G E

Question 2

A nucleotide consists of ____.

Accepted Answer

A) a five carbon sugar, a nitrogenous acid, and a phosphate group 
B) a six carbon sugar, a nitrogenous base, and a phosphate group 
C) a five carbon sugar, a nitrogenous base, and a phosphate group 
D) a six carbon sugar, a nitrogenous acid, and a phosphate group 
E) a four carbon sugar, a nitrogenous acid, and a phosphate group 
A) a five carbon sugar, a nitrogenous acid, and a phosphate group 
B) a six carbon sugar, a nitrogenous base, and a phosphate group 
C) a five carbon sugar, a nitrogenous base, and a phosphate group 
D) a six carbon sugar, a nitrogenous acid, and a phosphate group 
E) a four carbon sugar, a nitrogenous acid, and a phosphate group C

Question 3

Match the following terms to the correct description.
-number of protons in the atomic nucleus

Accepted Answer

A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions 
A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions B

Question 4

Plants store their excess carbohydrates in the form of ____.

Accepted Answer

A) cellulose 
B) starch 
C) glycogen 
D) sucrose 
E) galactose 
A) cellulose 
B) starch 
C) glycogen 
D) sucrose 
E) galactose

Question 5

The positively charged ion,potassium,and the negatively charged ion,fluoride,will form what kind of bond?

Accepted Answer

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

Question 6

The following are types of chemical bonds.
Match these to the correct description.
-the bond between the two strands of DNA in a double helix

Accepted Answer

A) hydrogen 
B) ionic 
C) covalent 
A) hydrogen 
B) ionic 
C) covalent

Question 7

Hydrophobic molecules are ____ water.

Accepted Answer

A) attracted by 
B) absorbed by 
C) repelled by 
D) mixed with 
E) polarized by 
A) attracted by 
B) absorbed by 
C) repelled by 
D) mixed with 
E) polarized by

Question 8

A protein that is linked to a carbohydrate is known as a ____.

Accepted Answer

A) glycoprotein 
B) lipoprotein 
C) fibrous proteins 
D) denatured proteins 
E) prions 
A) glycoprotein 
B) lipoprotein 
C) fibrous proteins 
D) denatured proteins 
E) prions

Question 9

Helium,neon and argon are _____.

Accepted Answer

A) extremely stable because they have vacancies in their outer shells 
B) extremely stable because they don't have any vacancies in their outer shells 
C) extremely unstable because they have vacancies in their outer shells 
D) extremely unstable because they don't have any vacancies in their outer shells 
E) extremely unstable because they have vacancies in their inner shells 
A) extremely stable because they have vacancies in their outer shells 
B) extremely stable because they don't have any vacancies in their outer shells 
C) extremely unstable because they have vacancies in their outer shells 
D) extremely unstable because they don't have any vacancies in their outer shells 
E) extremely unstable because they have vacancies in their inner shells

Question 10

____ is one of the substances that maintains our blood pH between 7.35 and 7.45.

Accepted Answer

A) Water 
B) Carbonic acid 
C) Hydrochloric acid 
D) Hydrogen peroxide 
E) Sodium hydroxide 
A) Water 
B) Carbonic acid 
C) Hydrochloric acid 
D) Hydrogen peroxide 
E) Sodium hydroxide

Question 11

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 12

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.

Accepted Answer

A) oxidation 
B) reduction 
C) condensation 
D) hydrolysis 
E) decarboxylation 
A) oxidation 
B) reduction 
C) condensation 
D) hydrolysis 
E) decarboxylation

Question 13

The following are types of chemical bonds.
Match these to the correct description.
-the bond that holds organic molecules together

Accepted Answer

A) hydrogen 
B) ionic 
C) covalent 
A) hydrogen 
B) ionic 
C) covalent

Question 14

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 15

Match the following terms to the correct description.
-forms of an element that differ in the number of neutrons their atoms carry

Accepted Answer

A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions 
A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions

Question 16

The following are types of chemical bonds.
Match these to the correct description.
-the bond that breaks when salts dissolve in water

Accepted Answer

A) hydrogen 
B) ionic 
C) covalent 
A) hydrogen 
B) ionic 
C) covalent

Question 17

Match the following terms to the correct description.
-atoms with more or less electrons than protons

Accepted Answer

A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions 
A) mass number 
B) atomic number 
C) radioisotope 
D) isotopes 
E) ions

Question 18

When a protein denatures,which type of bonding is affected?

Accepted Answer

A) covalent 
B) peptide 
C) ionic 
D) hydrogen 
E) metallic 
A) covalent 
B) peptide 
C) ionic 
D) hydrogen 
E) metallic

Question 19

The following are types of chemical bonds.
Match these to the correct description.
-the bond between the hydrogen atoms of molecular hydrogen

Accepted Answer

A) hydrogen 
B) ionic 
C) covalent 
A) hydrogen 
B) ionic 
C) covalent

Question 20

When water molecules form into ice,____.

Accepted Answer

A) the water molecules jiggle more 
B) their structure becomes less rigid 
C) the water molecules pack less densely 
D) hydrogen bonds between water molecules readily break 
E) evaporation of water molecules happens more readily 
A) the water molecules jiggle more 
B) their structure becomes less rigid 
C) the water molecules pack less densely 
D) hydrogen bonds between water molecules readily break 
E) evaporation of water molecules happens more readily

Match the structures below with the appropriate label in the figure above. -phospholipid

A nucleotide consists of ____.

Match the following terms to the correct description. -number of protons in the atomic nucleus

Plants store their excess carbohydrates in the form of ____.

The positively charged ion,potassium,and the negatively charged ion,fluoride,will form what kind of bond?

The following are types of chemical bonds. Match these to the correct description. -the bond between the two strands of DNA in a double helix

Hydrophobic molecules are ____ water.

A protein that is linked to a carbohydrate is known as a ____.

Helium,neon and argon are _____.

____ is one of the substances that maintains our blood pH between 7.35 and 7.45.

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

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.

The following are types of chemical bonds. Match these to the correct description. -the bond that holds organic molecules together

The nucleus of an atom contains ____.

Match the following terms to the correct description. -forms of an element that differ in the number of neutrons their atoms carry

The following are types of chemical bonds. Match these to the correct description. -the bond that breaks when salts dissolve in water

Match the following terms to the correct description. -atoms with more or less electrons than protons

When a protein denatures,which type of bonding is affected?

The following are types of chemical bonds. Match these to the correct description. -the bond between the hydrogen atoms of molecular hydrogen

When water molecules form into ice,____.

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

Filters

Exam 2: Molecules Of Life

Match the structures below with the appropriate label in the figure above. -phospholipid

A nucleotide consists of ____.

Match the following terms to the correct description. -number of protons in the atomic nucleus

Plants store their excess carbohydrates in the form of ____.

The positively charged ion,potassium,and the negatively charged ion,fluoride,will form what kind of bond?

The following are types of chemical bonds. Match these to the correct description. -the bond between the two strands of DNA in a double helix

Hydrophobic molecules are ____ water.

A protein that is linked to a carbohydrate is known as a ____.

Helium,neon and argon are _____.

____ is one of the substances that maintains our blood pH between 7.35 and 7.45.

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

The breakdown of large molecules by enzymes and the addition of water is known as a ____ reaction.

The following are types of chemical bonds. Match these to the correct description. -the bond that holds organic molecules together

The nucleus of an atom contains ____.

Match the following terms to the correct description. -forms of an element that differ in the number of neutrons their atoms carry

The following are types of chemical bonds. Match these to the correct description. -the bond that breaks when salts dissolve in water

Match the following terms to the correct description. -atoms with more or less electrons than protons

When a protein denatures,which type of bonding is affected?

The following are types of chemical bonds. Match these to the correct description. -the bond between the hydrogen atoms of molecular hydrogen

When water molecules form into ice,____.

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

Filters