BIOL 101 quiz 2 complete solutions correct answers key

Liberty University BIOL 101 quiz 2 complete solutions correct answers key

6 different versions

In an organism, the structure of ___________ determines its function; in a cell the structure of ____________ determines its function.

A common form of energy storage in the roots of plants:

A condensation reaction joins two organic molecules together creating an H+ ion and an – OH ion. These then

The tertiary structure of a protein describes its

A fat molecule consists of:

Testosterone signals all of the following in the human male except:

Which of the following examples from the living world exhibit well-designed structures supporting well-designed functions?

In a protein, the sequence of amino acids often folds initially into alpha helices and/or beta pleated sheets. These helices and sheets are two examples of

Polymers are degraded by the cell into monomers in a process in which the __________ from a water molecule stabilize the broken _________ in the polymer molecule.

The bases in a DNA molecule include all of the following except

The structure of testosterone could best be described as

Which of the following is the name for a class of sugar molecules?

The four major classes of biomolecules are:

An amino group, a carboxylic acid group, a hydrogen atom and one or more atoms composing a side chain (“R” group) all together make up a monomer called

A phospholipid is made up of:

A carbohydrate contains ________ atoms.

Which of the following is not a lipid?

The carbon atom is uniquely suited to building large molecules because it:

A large polymeric molecule that is nonpolar over most of its structure but very polar at one end:

Each of the following is the name of a class of monomers used as building blocks in the polymers of living organisms except for

The structure of a phospholipid molecule admirably suits it to the function of

The Miller-Urey experiments used random jolts of electrical energy to produce a variety of amino acids and other molecules. One weakness of these experiments:

Virtually all monomers in cells are built into polymers by removing _________ from one monomer and ____________ from the other monomer, and using these products to form ____________

Which of the following molecules is a polymer?

Carbon atoms are uniquely suited for building molecules in living things because

In living organisms well-designed structures support well-designed functions. This intricacy of design is seen at

Hemoglobin

Carbohydrates include all of the following except

Which of the following is not a carbohydrate

The carbon atom

Glycoproteins

DNA contains four kinds of nitrogenous bases whose principle function is

Which is not a function of a lipid

Cellulose and starch are both long polysaccharide chains made of glucose molecules.  But a cell’s enzymes can tell them apart because

When a single hemoglobin subunit picks up an oxygen molecule

Amino acids are building blocks used in building proteins.  About how many different kinds of amino acids are there for this purpose

Which class of biomolecules is most efficient as a long-term storage, concentrated source of energy?

What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches?

Which of the following terms describes or names a cell that swims like an animal using cilia, but is green in color like a plant?

Which of the following is NOT part of the Cell Theory?

A eukaryotic cell structure (organelle) that results when a vesicle formed from the Golgi complex simply remains in the cytoplasm of the cell:

Which of the following statements is an element of cell theory?

Biologists have discovered living things that defy (do not agree with) “Cell Theory”. Which aspect of the cell theory is most directly violated by slime molds?

When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___.

In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells, attachment to your cells must be made. This is done using new proteins called _____ and new cell structures called ________.

Two unusual features of protozoan cells like Paramecium are

It is difficult for human macrophages to detect and destroy Strep cells because Strep cells

A prokaryotic cell is protected against osmotic swelling and rupture by its

A eukaryotic cell structure (organelle) in which the final stages of protein maturation are completed:

Energy processing in eukaryotic cells often involves linearly arranged reactions. That is why energy processing organelles have highly folded membranes within them—structures known as

Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

____ are little molecular machines (eukaryotic cell structures) that move vesicles and organelles throughout the cytoplasm of the cell.

When a protein molecule has folded into its final form, it leaves the endoplasmic reticulum (RER) and travels to the Golgi complex by means of

Some species of Paramecium receive sugars from

Within an acinar cell, the enzyme amylase reaches its final form within

An important function of the eukaryotic cell membrane is to

Which of the following is NOT a kind of protein found in a prokaryotic membrane?

It is impossible to write a brief dictionary definition of life because

____________ house enzymes that trap carbon dioxide and bind it to larger substrate molecules.

What structures inside the eukaryotic cell provide a skeletal framework that supports and shapes the cell?

________ and ________ are structures that walk along microtubules in the eukaryotic cell carrying vesicles from place to place.

To say that “the cell is the unit of life” means that

Which of the following organisms is considered to be eukaryotic

        ____ are little molecular machines that move vesicles and organelles

throughout the cytoplasm of the cell

Cells are small because

Which of the following occurs in the nucleolus

In order for nasty bacterium Streptococcus pyogenes to stick to your throat cells, attachment proteins must be made. These proteins are called

Prokaryotic organisms have a definite lack of which of the following

A saltine cracker is mostly starch. If cracker bits are digested into small subunit parts, what kind of molecule would be the product?

Discrete, visible lengths of DNA sequence found in human cell nuclei are known as

Ignoring cell size and just counting numbers, most of the cells in nature are this type

Bacteria are typically very mall, yet even the largest bacterium is still a prokaryote because it

Zoochlorella cells (algae that do photosynthesis) benefit by living inside Paramecium cells. They

Question 1 The nucleoid of a prokaryotic organism contains

Question 2 The bases in a DNA molecule include all of the following except

Question 3 Which of the following is NOT a kind of protein found in a prokaryotic membrane?

Question 4 ____ are little molecular machines (eukaryotic cell structures) that move vesicles and organelles throughout the cytoplasm of the cell.

Question 5 Which of these is an organelle that would be useful in a cell that takes in and destroys viruses?

Question 6 Within an acinar cell, the enzyme amylase reaches its final form within

Question 7 When a prokaryotic bacterial cell has a second outer membrane, the membrane’s function is to

Question 8 Biologists have discovered living things that defy (do not agree with) “Cell Theory”. Which aspect of the cell theory is most directly violated by slime molds?

Question 9 A single­stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil:

Question 10 A fat molecule consists of:

Question 11 Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

Question 12 The boundary around a prokaryotic cell can best be described as

Question 13 The structure of a phospholipid molecules admirably suits it to the function of

Question 14 Some slime molds violate the first element of cell theory because

Question 15 An important function of the eukaryotic cell membrane is to

Question 16 Bacteria are typically very small, yet even the largest bacterium is still a prokaryote because it

Question 17 A eukaryotic cell structure (organelle) in which the final stages of protein maturation are completed:

Question 18 Which of the following is the name for a class of sugar molecules?

Question 19 Which of the following cells are prokaryotic?

Question 20 A five­carbon sugar that is bonded to a nitrogen­containing base and to either one, two or three phosphate groups is known as a(n) _________ monomer.

Question 21 DNA contains four kinds of nitrogenous bases whose principle function is

Question 22 Glycoproteins

Question 23 ________ and ________ are structures that walk along microtubules in the eukaryotic cell carrying vesicles from place to place.

Question 24 When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___.

Question 25 In a eukaryotic cell the reactions of _______ process energy into the form of ATP within a structure called the __________.

Question 1 Eukaryotic cells heavily responsible for making proteins have their ribosomes arranged within a network of channels known as the

Question 2 ____________ house enzymes that trap carbon dioxide and bind it to larger substrate molecules.

Question 3 When a prokaryotic bacterial cell has a second outer membrane, the membrane’s function is to

Question 4 Generally speaking, prokaryotic cells___________ eukaryotic cells.

Question 5 Within an acinar cell, the enzyme amylase reaches its final form within

Question 6 A single­stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil:

Question 7 Biologists have discovered living things that defy (do not agree with) “Cell Theory”. Which aspect of the cell theory is most directly violated by slime molds?

Question 8 The nucleoid of a prokaryotic organism contains

Question 9 The boundary around a prokaryotic cell can best be described as

Question 10 Which of the following cells are prokaryotic?

Question 11 Ribosomes in an acinar cell generate the amino acid sequence of the digestive enzyme

Question 12 What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches?

Question 13 Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

Question 14 Consider the following definition: “A cell is the smallest unit of an organism capable of independent functioning, composed of a membrane, enclosing a nucleus, cytoplasm and inanimate matter.” Which of the following phrases best criticized this definition?

Question 15 The structure of a phospholipid molecules admirably suits it to the function of

Question 16 A five­carbon sugar that is bonded to a nitrogen­containing base and to either one, two or three phosphate groups is known as a(n) _________ monomer.

Question 17 Polymers of amino acids that are linked in linear chains and that contain atoms of nitrogen are called:

Question 18 Which is not a function of a lipid?

Question 19 Which of the following is NOT part of the Cell Theory?

Question 20 The Streptococcal cell structure that does the most direct damage to the human body is

Question 21 Cells are small because

Question 22 Which of these cell organelles has ribosomes in its membranes? (Ribosomes do protein synthesis.)

Question 23 Which of the following statements is an element of cell theory?

Question 24 Five of the six carbon atoms in a glucose molecule are typically found

Question 25 A prokaryotic cell is protected against osmotic swelling and rupture by its

Question 1 Which of the following is NOT a kind of protein found in a prokaryotic membrane?

Question 2 Which of the following is a class of monomers used as building blocks in the polymers of living organisms?

Question 3 Testosterone signals all of the following in the human male except:

Question 4 When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___.

Question 5 Which of the following occurs in the nucleolus?

Question 6 Within an acinar cell, the enzyme amylase reaches its final form within

Question 7 Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

Question 8 Bacteria are typically very small, yet even the largest bacterium is still a prokaryote because it

Question 9 Consider the following definition: “A cell is the smallest unit of an organism capable of independent functioning, composed of a membrane, enclosing a nucleus, cytoplasm and inanimate matter.” Which of the following phrases best criticized this definition?

Question 10 Polymers of amino acids that are linked in linear chains and that contain atoms of nitrogen are called:

Question 11 It is impossible to write a brief dictionary definition of life because

Question 12 Five of the six carbon atoms in a glucose molecule are typically found

Question 13 Which of the following statements is an element of cell theory?

Question 14 The four major classes of biomolecules are:

Question 15 Eukaryotic cells heavily responsible for making proteins have their ribosomes arranged within a network of channels known as the

Question 16 A eukaryotic cell that needs to have a lot of ATP energy would have lots of

Question 17 Some slime molds violate the first element of cell theory because

Question 18 The Streptococcal cell structure that does the most direct damage to the human body is

Question 19 In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells, attachment to your cells must be made. This is done using new proteins called _____ and new cell structures called ________.

Question 20 Which of the following cells are prokaryotic?

Question 21 A single­stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil:

Question 22 The structure of testosterone could best be described as

Question 23 Which of these is an organelle that would be useful in a cell that takes in and destroys viruses?

Question 24 A fat molecule consists of:

Question 25 The binding of acetylcholine to an acinar cell surface receptor protein causes an immediate

Question 1 The saturated fats of animals differ from the unsaturated ones of plants. Unsaturated fats have

Question 2 The structure of testosterone could best be described as

Question 3 In order for the nasty bacterium Streptococcus pyogenes to adhere to your throat cells, attachment to your cells must be made. This is done using new proteins called _____ and new cell structures called ________.

Question 4 Which of these is an organelle that would be useful in a cell that takes in and destroys viruses?

Question 5 __________, the cell’s DNA plus its scaffolding contains the cell’s archive of ______.

Question 6 Consider the following definition: “A cell is the smallest unit of an organism capable of independent functioning, composed of a membrane, enclosing a nucleus, cytoplasm and inanimate matter.” Which of the following phrases best criticized this definition?

Question 7 A sugar is a carbohydrate because a sugar molecule

Question 8 Lipids are a class of molecules defined by

Question 9 The binding of acetylcholine to an acinar cell surface receptor protein causes an immediate

Question 10 The nucleoid of a prokaryotic organism contains

Question 11 Which of the following is NOT a kind of protein found in a prokaryotic membrane?

Question 12 Glycoproteins

Question 13 It is impossible to write a brief dictionary definition of life because

Question 14 Microcompartments

Question 15 An amino group, a carboxylic acid group, a hydrogen atom and one or more atoms composing a side chain (“R” group) all together make up a monomer called

Question 16 In a eukaryotic cell the reactions of _______ process energy into the form of ATP within a structure called the __________.

Question 17 Ribosomes in an acinar cell generate the amino acid sequence of the digestive enzyme

Question 18 A phospholipid is made up of:

Question 19 The Streptococcal cell structure that does the most direct damage to the human body is

Question 20 The structure of a phospholipid molecules admirably suits it to the function of

Question 21 Cells are small because

Question 22 Within an acinar cell, the enzyme amylase reaches its final form within

Question 23 A carbohydrate contains ________ atoms.

Question 24 It is difficult for human macrophages to detect and destroy Strep cells because Strep cells

Question 25 Which of these cell organelles has ribosomes in its membranes? (Ribosomes do protein synthesis.)