Question 1

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 2

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 3

The neutral subatomic particle is the ____.

Accepted Answer

A)  neutron 
B)  proton 
C)  electron 
D)  quark 
E)  Higg's boson 
A)  neutron 
B)  proton 
C)  electron 
D)  quark 
E)  Higg's boson

Question 4

Match the structures with the appropriate label in the given figure.
-​phospholipid
A)A
B)B
C)C
D)D
E)E
F)F
G)G

Accepted Answer

The answer of   Match the structures with the...

Question 5

Of these pH values, which has the highest concentration of hydrogen ions?

Accepted Answer

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

Question 6

Matching
​Match the following terms to the correct description.
-​number of protons in the atomic nucleus
A)​mass number
B)​atomic number
C)​radioisotope
D)​isotopes
E)​ions

Accepted Answer

The answer of Matching
​Match the following terms to the correct...

Question 7

Which bond is weakest?​

Accepted Answer

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

Question 8

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 9

Water molecules are attracted to one another because the ____.

Accepted Answer

A)  slightly positive charge of the hydrogen atom from one molecule of water attracts the slightly negative charge of the oxygen atom from another molecule 
B)  slightly negative charge of the hydrogen atom from one molecule of water attracts the slightly negative charge of the oxygen atom from another molecule 
C)  slightly positive charge of the hydrogen atom attracts the oxygen within the same molecule of water, which leads to an increase in its polarity 
D)  water molecules participate in nonpolar covalent bonds, which increase the attraction of the molecules to each other 
E)  water molecules bind to each other through their mutual attraction to ionic compounds 
A)  slightly positive charge of the hydrogen atom from one molecule of water attracts the slightly negative charge of the oxygen atom from another molecule 
B)  slightly negative charge of the hydrogen atom from one molecule of water attracts the slightly negative charge of the oxygen atom from another molecule 
C)  slightly positive charge of the hydrogen atom attracts the oxygen within the same molecule of water, which leads to an increase in its polarity 
D)  water molecules participate in nonpolar covalent bonds, which increase the attraction of the molecules to each other 
E)  water molecules bind to each other through their mutual attraction to ionic compounds

Question 10

Match the following terms to the correct description.
-substance that accepts hydrogen ions in solution
A)acid
B)base
C)neutral
D)buffer
E)pH

Accepted Answer

The answer of Match the following terms to the correct...

Question 11

Which invention led to trans fats being marketed as a solid cooking fat?​

Accepted Answer

A)  the electric light​ 
B)  ​the telephone 
C)  ​the automobile 
D)  ​the microwave oven 
E)  ​the refrigerator 
A)  the electric light​ 
B)  ​the telephone 
C)  ​the automobile 
D)  ​the microwave oven 
E)  ​the refrigerator

Question 12

The negative subatomic particle is the ____.

Accepted Answer

A)  neutron 
B)  proton 
C)  electron 
D)  quark 
E)  Higg's boson 
A)  neutron 
B)  proton 
C)  electron 
D)  quark 
E)  Higg's boson

Question 13

Which substance is hydrophobic?​

Accepted Answer

A)  canola oil​ 
B)  ​sodium chloride 
C)  ​sugar 
D)  ​water 
E)  ​the potassium ion 
A)  canola oil​ 
B)  ​sodium chloride 
C)  ​sugar 
D)  ​water 
E)  ​the potassium ion

Question 14

Cellulose is ____.​

Accepted Answer

A)  the most complex of the organic compounds​ 
B)  ​a polymer of glucose and fructose 
C)  ​a polymer of glucose and galactose 
D)  ​a component of plasma membranes 
E)  ​a material found in plant cell walls 
A)  the most complex of the organic compounds​ 
B)  ​a polymer of glucose and fructose 
C)  ​a polymer of glucose and galactose 
D)  ​a component of plasma membranes 
E)  ​a material found in plant cell walls

Question 15

A solution is a uniform mixture in which a ____ is dissolved completely in a ____.​

Accepted Answer

A)  salt; solute​ 
B)  ​solute; salt 
C)  ​solute; solvent 
D)  ​solvent; salt 
E)  ​solvent; solute 
A)  salt; solute​ 
B)  ​solute; salt 
C)  ​solute; solvent 
D)  ​solvent; salt 
E)  ​solvent; solute

Question 16

____ 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

Question 17

Hydrogenation is a _____.

Accepted Answer

A)  manufacturing process that adds hydrogen atoms to carbohydrates 
B)  natural process that adds hydrogen atoms to carbohydrates 
C)  manufacturing process that adds hydrogen atoms to oils 
D)  natural process that removes hydrogen atoms from fats 
E)  manufacturing process that removes hydrogen atoms from fats 
A)  manufacturing process that adds hydrogen atoms to carbohydrates 
B)  natural process that adds hydrogen atoms to carbohydrates 
C)  manufacturing process that adds hydrogen atoms to oils 
D)  natural process that removes hydrogen atoms from fats 
E)  manufacturing process that removes hydrogen atoms from fats

Question 18

____ 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 19

​Nucleotides are monomers of ____.

Accepted Answer

A)  ​complex lipids 
B)  proteins​ 
C)  ​polysaccharides 
D)  ​nucleic acids 
E)  ​cellulose 
A)  ​complex lipids 
B)  proteins​ 
C)  ​polysaccharides 
D)  ​nucleic acids 
E)  ​cellulose

Question 20

Glycogen is a polysaccharide used for energy storage by ____.​

Accepted Answer

A)  plants​ 
B)  ​animals 
C)  ​protists 
D)  ​bacteria 
E)  ​archaea 
A)  plants​ 
B)  ​animals 
C)  ​protists 
D)  ​bacteria 
E)  ​archaea

Exam 2: Molecules of Life

Plants store their excess carbohydrates in the form of ____.​

Hydrophobic molecules are ____ water.​

The neutral subatomic particle is the ____.

Match the structures with the appropriate label in the given figure. -​phospholipid A)A B)B C)C D)D E)E F)F G)G

Of these pH values, which has the highest concentration of hydrogen ions?

Matching ​Match the following terms to the correct description. -​number of protons in the atomic nucleus A)​mass number B)​atomic number C)​radioisotope D)​isotopes E)​ions

Which bond is weakest?​

Primary protein structure is dependent upon ____.​

Water molecules are attracted to one another because the ____.

Match the following terms to the correct description. -substance that accepts hydrogen ions in solution A)acid B)base C)neutral D)buffer E)pH

Which invention led to trans fats being marketed as a solid cooking fat?​

The negative subatomic particle is the ____.

Which substance is hydrophobic?​

Cellulose is ____.​

A solution is a uniform mixture in which a ____ is dissolved completely in a ____.​

____ is a monosaccharide.​

Hydrogenation is a _____.

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

​Nucleotides are monomers of ____.

Glycogen is a polysaccharide used for energy storage by ____.​

Invitation to Biology

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and 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

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

Plants store their excess carbohydrates in the form of ____.

Hydrophobic molecules are ____ water.

Match the structures with the appropriate label in the given figure. -phospholipid A)A B)B C)C D)D E)E F)F G)G

Matching Match the following terms to the correct description. -number of protons in the atomic nucleus A)mass number B)atomic number C)radioisotope D)isotopes E)ions

Which bond is weakest?

Primary protein structure is dependent upon ____.

Which invention led to trans fats being marketed as a solid cooking fat?

Which substance is hydrophobic?

Cellulose is ____.

A solution is a uniform mixture in which a is dissolved completely in a .

____ is a monosaccharide.

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

Nucleotides are monomers of ____.

Glycogen is a polysaccharide used for energy storage by ____.