Question 1

11 Ribosomes are made up of

Accepted Answer

A)  RNA and proteins 
B)  DNA and proteins 
C)  RNA and DNA 
D)  proteins and carbohydrates 
A)  RNA and proteins 
B)  DNA and proteins 
C)  RNA and DNA 
D)  proteins and carbohydrates

Question 2

Cell membranes

Accepted Answer

A)  are found in plants, but not in animals 
B)  consist mainly of sugars 
C)  do not allow transport into or out of the cell 
D)  separate the cell from the outside world 
A)  are found in plants, but not in animals 
B)  consist mainly of sugars 
C)  do not allow transport into or out of the cell 
D)  separate the cell from the outside world

Question 3

Which of these eukaryotic kingdoms consists primarily of unicellular organisms?

Accepted Answer

A)  Animals 
B)  Fungi 
C)  Plants 
D)  Protista 
E)  Both fungi and protista. 
A)  Animals 
B)  Fungi 
C)  Plants 
D)  Protista 
E)  Both fungi and protista.

Question 4

Which of the following functional groups are not commonly seen in biomolecules?

Accepted Answer

A)  Alkyl halides 
B)  Amides 
C)  Carboxylic acids 
D)  Ethers 
E)  Phosphate esters 
A)  Alkyl halides 
B)  Amides 
C)  Carboxylic acids 
D)  Ethers 
E)  Phosphate esters

Question 5

Lipids are characterized by poor solubility in water most of their structure is composed of  _____.

Accepted Answer

A) a  central carbon atom bonded to a carboxyl group, a hydrogen group, and a variable group, called the R group 
B) a  five-carbon sugar, a nitrogen-containing ring, and one or more phosphate groups 
C)  long chains of hydrocarbons 
D)  straight sugar chains that forms cyclic structures in a solution 
A) a  central carbon atom bonded to a carboxyl group, a hydrogen group, and a variable group, called the R group 
B) a  five-carbon sugar, a nitrogen-containing ring, and one or more phosphate groups 
C)  long chains of hydrocarbons 
D)  straight sugar chains that forms cyclic structures in a solution

Question 6

Cell walls

Accepted Answer

A)  occur in plants and bacteria 
B)  occur in plants and animals 
C)  occur only in plants 
D)  occur only in bacteria 
A)  occur in plants and bacteria 
B)  occur in plants and animals 
C)  occur only in plants 
D)  occur only in bacteria

Question 7

Which cell component contains many hydrolytic enzymes?

Accepted Answer

A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion 
A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion

Question 8

The genetic code

Accepted Answer

A)  determines the order of sugars in a polysaccharide 
B)  has no effect on the sequence of amino acids in proteins 
C)  is the means by which the "blueprint" for living organisms is passed from one generation to the next 
D)  cannot be understood by currently available experimental methods 
A)  determines the order of sugars in a polysaccharide 
B)  has no effect on the sequence of amino acids in proteins 
C)  is the means by which the "blueprint" for living organisms is passed from one generation to the next 
D)  cannot be understood by currently available experimental methods

Question 9

The aerobic combustion of glucose to yield carbon dioxide and water

Accepted Answer

A)  is thermodynamically favorable 
B)  requires oxygen 
C)  has a negative Gibb's free energy 
D)  all of these are true 
A)  is thermodynamically favorable 
B)  requires oxygen 
C)  has a negative Gibb's free energy 
D)  all of these are true

Question 10

In its earliest stages, which atoms were present in the universe?

Accepted Answer

A)  carbon, hydrogen, and oxygen 
B)  hydrogen, helium, and lithium 
C)  nitrogen, sulfur, and phosphorous 
D)  uranium, polonium, and radium 
E)  helium, neon, and argon 
A)  carbon, hydrogen, and oxygen 
B)  hydrogen, helium, and lithium 
C)  nitrogen, sulfur, and phosphorous 
D)  uranium, polonium, and radium 
E)  helium, neon, and argon

Question 11

Eukaryotic DNA

Accepted Answer

A)  is found in the nucleus 
B)  is found in the mitochondrion 
C)  is found in the chloroplast 
D)  all of the above 
A)  is found in the nucleus 
B)  is found in the mitochondrion 
C)  is found in the chloroplast 
D)  all of the above

Question 12

According to the big bang theory of the creation of the universe,

Accepted Answer

A)  the universe has been getting cooler since its beginning 
B)  the initial explosion caused the creation of all of the elements of the periodic table 
C)  carbon is the most abundant element in the universe 
D)  the earth could be no older than 1 billion years 
A)  the universe has been getting cooler since its beginning 
B)  the initial explosion caused the creation of all of the elements of the periodic table 
C)  carbon is the most abundant element in the universe 
D)  the earth could be no older than 1 billion years

Question 13

A catalyst

Accepted Answer

A)  increases the rate of a chemical reaction 
B)  increases the amount of product obtained in a chemical reaction 
C)  decreases the amount of product obtained in a chemical reaction 
D)  none of the choices 
A)  increases the rate of a chemical reaction 
B)  increases the amount of product obtained in a chemical reaction 
C)  decreases the amount of product obtained in a chemical reaction 
D)  none of the choices

Question 14

The following cellular component is characteristic of eukaryotic cells:

Accepted Answer

A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  More than one of these is characteristic of eukaryotic cells. 
A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  More than one of these is characteristic of eukaryotic cells.

Question 15

All of the following features are common to all living organisms, except :

Accepted Answer

A)  Biomolecules 
B)  Metabolic pathways 
C)  Cellular structures 
D)  DNA sequences 
E)  RNA molecules 
A)  Biomolecules 
B)  Metabolic pathways 
C)  Cellular structures 
D)  DNA sequences 
E)  RNA molecules

Question 16

Which of the following statements about eukaryotic mitochondria is TRUE?

Accepted Answer

A)  They play a role in genetics. 
B)  They are the site of photosynthesis in green plants. 
C)  They have an inner and an outer membrane. 
D)  They only occur in animals, not plants. 
A)  They play a role in genetics. 
B)  They are the site of photosynthesis in green plants. 
C)  They have an inner and an outer membrane. 
D)  They only occur in animals, not plants.

11 Ribosomes are made up of

Cell membranes

Which of these eukaryotic kingdoms consists primarily of unicellular organisms?

Which of the following functional groups are not commonly seen in biomolecules?

Lipids are characterized by poor solubility in water most of their structure is composed of _____.

Cell walls

Which cell component contains many hydrolytic enzymes?

The genetic code

The aerobic combustion of glucose to yield carbon dioxide and water

In its earliest stages, which atoms were present in the universe?

Eukaryotic DNA

According to the big bang theory of the creation of the universe,

A catalyst

The following cellular component is characteristic of eukaryotic cells:

All of the following features are common to all living organisms, except :

Which of the following statements about eukaryotic mitochondria is TRUE?

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins Enzymes

The Behavior of Proteins Enzymes Mechanisms and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids How Structure Conveys Information

Biosynthesis of Nucleic Acids Replication

Transcription of the Genetic Code the Biosynthesis of Rna

Protein Synthesis Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses Cancer and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism Cellular Signaling

Filters

Exam 1: Biochemistry and the Organization of Cells

11 Ribosomes are made up of

Cell membranes

Which of these eukaryotic kingdoms consists primarily of unicellular organisms?

Which of the following functional groups are not commonly seen in biomolecules?

Lipids are characterized by poor solubility in water most of their structure is composed of _____.

Cell walls

Which cell component contains many hydrolytic enzymes?

The genetic code

The aerobic combustion of glucose to yield carbon dioxide and water

In its earliest stages, which atoms were present in the universe?

Eukaryotic DNA

According to the big bang theory of the creation of the universe,

A catalyst

The following cellular component is characteristic of eukaryotic cells:

All of the following features are common to all living organisms, except :

Which of the following statements about eukaryotic mitochondria is TRUE?

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins Enzymes

The Behavior of Proteins Enzymes Mechanisms and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids How Structure Conveys Information

Biosynthesis of Nucleic Acids Replication

Transcription of the Genetic Code the Biosynthesis of Rna

Protein Synthesis Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses Cancer and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism Cellular Signaling

Filters