Question 1

Describe the central dogma and why it is important for cell life.

Accepted Answer

The answer of Describe the central dogma and why it...

Question 2

Poisons that kill an organism as a result of a loss of high-energy ATP molecules are most likely to target which organelle?

Accepted Answer

A)  mitochondria 
B)  cytoskeleton 
C)  cytoplasm 
D)  endoplasmic reticulum 
E)  nucleus

Question 3

Of the biochemical macromolecules, which class is chiefly responsible for catalysis of cellular processes?

Accepted Answer

The answer of Of the biochemical macromolecules, which class is...

Question 4

What gives proteins such a dominant role in biochemistry?

Accepted Answer

A)  the variation in protein sizes 
B)  the ability to act as a blueprint 
C)  their ability to self-replicate 
D)  their ability to spontaneously fold into complex three-dimensional structures 
E)  All of the above.

Question 5

Choose the correct answer from the list below. Not all of the answers will be used.
-DNA is made from the building blocks adenine, guanine, cytosine, and ____________.

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

Question 6

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

Question 7

Define an organelle.

Accepted Answer

The answer of Define an organelle....

Question 8

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

Question 9

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

Accepted Answer

The answer of What is the role of the endoplasmic...

Question 10

The main function of the plasma membrane is to:

Accepted Answer

A)  provide the interior of the cell an enclosed environment which no molecules may cross. 
B)  provide a selectively permeable barrier with the aid of transport proteins. 
C)  give eukaryote and prokaryote cells structural strength. 
D)  allow only the free passage of water in and out of the cell. 
E)  None of the above.

Question 11

What are the important functions of carbohydrates?

Accepted Answer

The answer of What are the important functions of carbohydrates?...

Question 12

A chemical that can dissolve in water is said to be _______________.

Accepted Answer

The answer of A chemical that can dissolve in water...

Question 13

The basic unit of life is considered the _______________.

Accepted Answer

The answer of The basic unit of life is considered...

Question 14

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

Accepted Answer

The answer of A nucleotide consists of one or more...

Question 15

DNA and RNA are composed of what basic biochemical compounds?

Accepted Answer

The answer of DNA and RNA are composed of what...

Question 16

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

Question 17

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

Accepted Answer

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

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Highly organized region of the cell where glycolytic metabolism occurs.

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

Question 19

After hydrogen and oxygen, the next most common element in living systems is _______________.

Accepted Answer

The answer of After hydrogen and oxygen, the next most...

Question 20

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Responsible for protein processing and xenobiotic metabolism.

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

Exam 1: Biochemistry and the Unity of Life

Describe the central dogma and why it is important for cell life.

Poisons that kill an organism as a result of a loss of high-energy ATP molecules are most likely to target which organelle?

Of the biochemical macromolecules, which class is chiefly responsible for catalysis of cellular processes?

What gives proteins such a dominant role in biochemistry?

Choose the correct answer from the list below. Not all of the answers will be used. -DNA is made from the building blocks adenine, guanine, cytosine, and ____________.

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

Define an organelle.

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.

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

The main function of the plasma membrane is to:

What are the important functions of carbohydrates?

A chemical that can dissolve in water is said to be _______________.

The basic unit of life is considered the _______________.

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

DNA and RNA are composed of what basic biochemical compounds?

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.

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

Choose the correct answer from the list below. Not all of the answers will be used. -____________: Highly organized region of the cell where glycolytic metabolism occurs.

After hydrogen and oxygen, the next most common element in living systems is _______________.

Choose the correct answer from the list below. Not all of the answers will be used. -____________: Responsible for protein processing and xenobiotic metabolism.