Question 1

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. C

Question 2

How do eukaryotic cells differ from prokaryotic cells?

Accepted Answer

The simplest answer is defined by the existence of organelle. Eukaryotic cells contain organelles including a nucleus, while prokaryotic cells do not have such compartments.

Question 3

A nucleotide consists of one or more _______________ groups, a 5-carbon ribose sugar, and a nitrogen-containing aromatic ring group.

Accepted Answer

phosphate

Question 4

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 5

Use the following to answer questions 1-10:
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 6

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 7

Use the following to answer questions 1-10:
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The number of hydrogen bonds formed between A and T.

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 8

Use the following to answer questions 1-10:
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Class of biological macromolecules with many functions such as forming barriers between cell organelles, serving as a metabolic fuel, and cell-to-cell signaling.

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 9

Use the following to answer questions 1-10:
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Filled with proteases and other digestive enzymes.

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 10

Translation takes place on/in the:

Accepted Answer

A)  ribosomes. 
B)  smooth endoplasmic reticulum. 
C)  nucleus. 
D)  DNA polymerases. 
E)  DNA parent strand. 
A)  ribosomes. 
B)  smooth endoplasmic reticulum. 
C)  nucleus. 
D)  DNA polymerases. 
E)  DNA parent strand.

Question 11

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 12

Organisms are known to be highly uniform at the _______________ level.

Accepted Answer

The answer of Organisms are known to be highly uniform...

Question 13

What is the role of the endoplasmic reticulum (ER)?

Accepted Answer

The endoplasmic reticulum is series of m

Question 14

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 15

Use the following to answer questions 1-10:
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 16

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

Question 17

A group of enzymes called _______________ catalyze replication.

Accepted Answer

The answer of A group of enzymes called _______________ catalyze...

Question 18

Extracellular material is taken into the cell via which process?

Accepted Answer

A)  endocytosis 
B)  phagocytosis 
C)  lysosome-mediated indocytosis 
D)  reverse secretory mechanism 
E)  phago-cytosolic internalization 
A)  endocytosis 
B)  phagocytosis 
C)  lysosome-mediated indocytosis 
D)  reverse secretory mechanism 
E)  phago-cytosolic internalization

Question 19

DNA and RNA are composed of what basic biochemical compounds?

Accepted Answer

Both RNA and DNA are nucleotides. Centra

Question 20

What are the important functions of carbohydrates?

Accepted Answer

Structural, energy s

Exam 1: Biochemistry and the Unity of Life

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

How do eukaryotic cells differ from prokaryotic cells?

A nucleotide consists of one or more _______________ groups, a 5-carbon ribose sugar, and a nitrogen-containing aromatic ring group.

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

Use the following to answer questions 1-10: 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 ____________.

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

Use the following to answer questions 1-10: Choose the correct answer from the list below. Not all of the answers will be used. -____________: The number of hydrogen bonds formed between A and T.

Use the following to answer questions 1-10: Choose the correct answer from the list below. Not all of the answers will be used. -____________: Filled with proteases and other digestive enzymes.

Translation takes place on/in the:

The structure of DNA described by Watson and Crick included:

Organisms are known to be highly uniform at the _______________ level.

What is the role of the endoplasmic reticulum (ER)?

How a protein folds is determined by:

Use the following to answer questions 1-10: 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.

Proteins are chiefly composed of which of the following?

A group of enzymes called _______________ catalyze replication.

Extracellular material is taken into the cell via which process?

DNA and RNA are composed of what basic biochemical compounds?

What are the important functions of carbohydrates?

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