Question 1

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The number of hydrogen bonds formed between G and C.

Accepted Answer

A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome 
A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome K

Question 2

A group of enzymes called _______________ catalyze replication.

Accepted Answer

DNA polymerase

Question 3

Proteins are chiefly composed of which of the following?

Accepted Answer

A)  carbohydrate and amino acids 
B)  long unbranched amino acid polymers 
C)  peptide bonds formed between lipid moieties 
D)  aggregated amino acids 
E)  A and B 
A)  carbohydrate and amino acids 
B)  long unbranched amino acid polymers 
C)  peptide bonds formed between lipid moieties 
D)  aggregated amino acids 
E)  A and B B

Question 4

Which property of lipids drives the formation of membranes?

Accepted Answer

The dual chemical na

Question 5

Choose the correct answer from the list below. Not all of the answers will be used.
-____________ are cells which are composed of multiple specialized compartments.

Accepted Answer

A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome 
A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome

Question 6

Choose the correct answer from the list below. Not all of the answers will be used.
-The transfer of information from DNA to RNA is called ____________.

Accepted Answer

A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome 
A) uridine 
B) cytoplasm 
C) protein 
D) thymine 
E) carbohydrate
F)sugar-phosphate units
G)cell wall
H)transcription
I)glycogen
J)lipid
K)three
L)two
M)endoplasmic reticulum
N)translation
O)prokaryotes
P)eukaryotes
Q)lysozome

Question 7

Large particles of extracellular material are taken into the cell via:

Accepted Answer

The answer of Large particles of extracellular material are taken...

Question 8

What are the four key classes of biomolecules?

Accepted Answer

Proteins, DNA/RNA, lipids, car

Question 9

The central dogma describes:

Accepted Answer

A)  the formation of cells from individual components. 
B)  the selective expression of genes. 
C)  the flow of information between DNA, RNA, and protein. 
D)  the work of polymerases on RNA and DNA. 
E)  All of the above. 
A)  the formation of cells from individual components. 
B)  the selective expression of genes. 
C)  the flow of information between DNA, RNA, and protein. 
D)  the work of polymerases on RNA and DNA. 
E)  All of the above.

Question 10

Although all cells in an organism have the same DNA, tissues differ due to selective _______________.

Accepted Answer

The answer of Although all cells in an organism have...

Question 11

What is significant about the base pairing found in the helix?

Accepted Answer

It provides a mechan

Question 12

How a protein folds is determined by:

Accepted Answer

A)  whether the environment is hydrophobic or hydrophilic. 
B)  the location in the cell in which the protein is located. 
C)  the pH of the cytoplasm. 
D)  the order of the amino acids found in the sequence. 
E)  All of the above. 
A)  whether the environment is hydrophobic or hydrophilic. 
B)  the location in the cell in which the protein is located. 
C)  the pH of the cytoplasm. 
D)  the order of the amino acids found in the sequence. 
E)  All of the above.

Question 13

The structure of DNA described by Watson and Crick included:

Accepted Answer

A)  a double helix. 
B)  the sugar-phosphate backbone aligned in the center of the helix. 
C)  the base pairs that are stacked on the inside of the double helix. 
D)  A and B. 
E)  A and C. 
A)  a double helix. 
B)  the sugar-phosphate backbone aligned in the center of the helix. 
C)  the base pairs that are stacked on the inside of the double helix. 
D)  A and B. 
E)  A and C.

Question 14

The most common carbohydrate fuel is _______________.

Accepted Answer

The answer of The most common carbohydrate fuel is _______________....

Question 15

The rigid material which provides structural support to a plant cell is/are called the:

Accepted Answer

A)  plant cytoskeleton 
B)  plasma membrane 
C)  cell wall 
D)  chloroplast anchor proteins 
E)  microfilaments and microtubules 
A)  plant cytoskeleton 
B)  plasma membrane 
C)  cell wall 
D)  chloroplast anchor proteins 
E)  microfilaments and microtubules

Question 16

A secreted protein would be processed through organelles in the following order:

Accepted Answer

A)  nucleus; secretory vesicle; Golgi complex 
B)  cytoplasm; Golgi complex; cytosol; secretory vesicle 
C)  endoplasmic reticulum; cytoplasmic reticulum; Golgi complex 
D)  nucleus; cytoplasm; endoplasmic reticulum; Golgi complex; secretory vesicle 
E)  None of the above. 
A)  nucleus; secretory vesicle; Golgi complex 
B)  cytoplasm; Golgi complex; cytosol; secretory vesicle 
C)  endoplasmic reticulum; cytoplasmic reticulum; Golgi complex 
D)  nucleus; cytoplasm; endoplasmic reticulum; Golgi complex; secretory vesicle 
E)  None of the above.

Question 17

Heritable information is packaged into discrete units called _______________.

Accepted Answer

The answer of Heritable information is packaged into discrete units...

Question 18

The structural components (filaments and tubules) are organelles called the:

Accepted Answer

A)  chloroplast. 
B)  cytoplasm. 
C)  cytoskeleton. 
D)  cell wall. 
E)  B and D. 
A)  chloroplast. 
B)  cytoplasm. 
C)  cytoskeleton. 
D)  cell wall. 
E)  B and D.

Question 19

How do eukaryotic cells differ from prokaryotic cells?

Accepted Answer

The simplest answer is defined

Question 20

The half-life of which of the following is likely to be shortest?

Accepted Answer

A)  protein 
B)  lipid 
C)  carbohydrate 
D)  DNA 
E)  RNA 
A)  protein 
B)  lipid 
C)  carbohydrate 
D)  DNA 
E)  RNA

Exam 1: Biochemistry and the Unity of Life

Choose the correct answer from the list below. Not all of the answers will be used. -____________: The number of hydrogen bonds formed between G and C.

A group of enzymes called _______________ catalyze replication.

Proteins are chiefly composed of which of the following?

Which property of lipids drives the formation of membranes?

Choose the correct answer from the list below. Not all of the answers will be used. -____________ are cells which are composed of multiple specialized compartments.

Choose the correct answer from the list below. Not all of the answers will be used. -The transfer of information from DNA to RNA is called ____________.

Large particles of extracellular material are taken into the cell via:

What are the four key classes of biomolecules?

The central dogma describes:

Although all cells in an organism have the same DNA, tissues differ due to selective _______________.

What is significant about the base pairing found in the helix?

How a protein folds is determined by:

The structure of DNA described by Watson and Crick included:

The most common carbohydrate fuel is _______________.

The rigid material which provides structural support to a plant cell is/are called the:

A secreted protein would be processed through organelles in the following order:

Heritable information is packaged into discrete units called _______________.

The structural components (filaments and tubules) are organelles called the:

How do eukaryotic cells differ from prokaryotic cells?

The half-life of which of the following is likely to be shortest?

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant DNA Techniques

Filters