Copy of Reading Review CK12 1.9- 1.13 (2/1/2024)

Last updated over 2 years ago

40 questions

Untitled Section

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3

1

CK12 1.10 Carbohydrates

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1.11 Proteins

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1.12 Lipids

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1.13 Nucleic Acids

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Library

Copy of Reading Review CK12 1.9- 1.13 (2/1/2024)

Last updated over 2 years ago

40 questions

Untitled Section

1

Approximately how many carbon-based compounds can be found in living things?

1

What are the four major types of organic compounds?
Response: List in alphabetical order with no commas between words

3

1

Draggable item		Corresponding Item

CK12 1.10 Carbohydrates

1

1.11 Proteins

1

Draggable item		Corresponding Item

1

1.12 Lipids

1

Draggable item		Corresponding Item

1

1.13 Nucleic Acids

1

Draggable item		Corresponding Item

1

What is the primary element in organic compounds?

Nitrogen

Carbon

Oxygen

Hydrogen

What best describes the role of organic compounds in organisms?

They make up cells and carry out vital life processes

They provide energy only

They help remove waste only

They aid only in reproduction

How many elements does a compound consist of?

Three or more

Two or more

Two exactly

One

Why is water not considered an organic compound?

It is not a liquid

It does not contain carbon

It does not contain oxygen

It does not contain hydrogen

Why is carbon fundamental to life?

It is the lightest element

Its atomic size is small

Its ability to form stable bonds with many elements

It is present in large quantities

How many major types of organic compounds can millions of organic compounds be grouped into?

Six

Five

Four

Three

Approximately how many carbon-based compounds can be found in living things?

What are the four major types of organic compounds?
Response: List in alphabetical order with no commas between words

For the given macromolecule select the correct elements. Make sure you slide the bottom bar to see all possible selections.

Draggable item		Corresponding Item
proteins		provides energy to cells, stores energy, forms body structures
nucleic acids		stores energy, forms cell membranes, carries messages
lipids		helps cells keep their shape, makes up muscles, speeds up chemical reactions, carries messages and materials
carbohydrates		contains instructions for proteins, passes instructions from parents to offspring, helps make proteins

What are the small repeating units in carbohydrates called?

Amino acids

Monosaccharides

Polysaccharides

Nucleotides

What elements do carbohydrates contain?

Carbon, hydrogen, and oxygen

Carbon, hydrogen, and nitrogen

Hydrogen, oxygen, and nitrogen

Carbon, oxygen, and nitrogen

What is the primary function of carbohydrates in the body?

Store energy

Support structure

Speed up reactions

Regulate genes

Which simple sugar is primarily found in fruits?

Sucrose

Lactose

Glucose

Fructose

What is the chemical formula for glucose?

H2O

C6H12O6

CO2

C12H22O11

Which process results in the production of glucose?

Photosynthesis

Fermentation

Digestion

Respiration

If glucose and fructose are isomers, what does it mean for their chemical formulas and the atom arrangements?

The chemical formulas and the atom arrangements are the same.

The chemical formulas and the atom arrangements are different.

The chemical formulas are complementary, but the atom arrangements are different.

The chemical formulas are identical, but the atom arrangements are different.

When two monosaccharides bond together, they form a protein, not a carbohydrate.

True

False

Sucrose, a type of disacaccharide, is composed of the monosaccharides fructose and glucose.

True

False

Polysaccharides are simple carbohydrates that are formed by only two simple sugars binding together.

True

False

Polysaccharides can contain between a few to thousands of simple sugars.

True

False

What are the main functions of complex carbohydrates?

Building proteins

Storing energy

Forming structures of living things

Supplying vitamins

What forms when simple sugars bind together in a chain?

Amino acids

Complex carbohydrates

Proteins

Polysaccharides

What two key roles do proteins play in the body's functioning?

Producing energy

Catalyzing reactions

Defending against diseases

Storing vitamins

What is a protein composed of?

Cells

Amino acids

Peptides

Enzymes

Approximately how many different amino acids are found in living organisms' proteins?

30

50

20

10

A protein may have up to four levels of structure. The lowest level, a protein’s primary structure, is its sequence of amino acids. The complex structures of different proteins give them unique properties, which they need to carry out their various jobs in living organisms.

Draggable item		Corresponding Item
Secondary		The sequence of amino acids in a protein.
Tertiary		Amino acid's hydrogen bonds to for helices and sheets.
Quaternary		Three dimensional structure of a protein, attractions for between helices and sheets
Primary		Protein consisting of more than one amino acid chain

What are the proteins that speed up biochemical reactions in cells?

Nucleic acids

Lipids

Antibodies

Enzymes

Which protein targets pathogens for destruction in our body?

Neurotransmitters

Enzymes

Hormones

Antibodies

Match the type of lipid with its primary function.

Draggable item		Corresponding Item
Steroids		Stored energy in animals
Triglycerides		Major components of cell membranes
Phospholipids		Serve as chemical messengers and other roles

Why are lipids important for human body functions?

Lipids store energy and form cell membranes

Lipids enhance athletic performance

Lipids support bone health

Lipids help brain function

Which types of fatty acids must be consumed through diet?

Omega-3 and Omega-6

Omega-7 and Omega-9

Omega-4 and Omega-5

Omega-1 and Omega-2

What is the primary role of essential fatty acids in the body?

Provide immediate energy

Help in digestion

Needed for major biological processes

Regulate body temperature

ATP is not considered a nucleic acid?

True

False

What replaces thymine in RNA?

Cytosine

Uracil

Guanine

Adenine

What is the shape of the DNA molecule known as?

Triple helix

Single helix

Double helix

Circular

In DNA, the base adenine always binds to which other base?

Guanine

Cytosine

Adenine

Thymine

DNA, RNA, and ATP are types of what?

Proteins

Amino acids

Nucleic acids

Lipids

Match the following molecules to their functions

Draggable item		Corresponding Item
RNA		Essential components of proteins
Amino Acid		Holds genetic instructions for protein sequence
DNA		Uses DNA information to assemble amino acids

What are the three smaller molecules that make up a nucleotide?

Nitrogen base

Sugar

Protein

Phosphate group

What is the primary element in organic compounds?

Nitrogen

Carbon

Oxygen

Hydrogen

What best describes the role of organic compounds in organisms?

They make up cells and carry out vital life processes

They provide energy only

They help remove waste only

They aid only in reproduction

How many elements does a compound consist of?

Three or more

Two or more

Two exactly

One

Why is water not considered an organic compound?

It is not a liquid

It does not contain carbon

It does not contain oxygen

It does not contain hydrogen

Why is carbon fundamental to life?

It is the lightest element

Its atomic size is small

Its ability to form stable bonds with many elements

It is present in large quantities

How many major types of organic compounds can millions of organic compounds be grouped into?

Six

Five

Four

Three

For the given macromolecule select the correct elements. Make sure you slide the bottom bar to see all possible selections.

Carbon

Hydrogen 

Oxygen

Nitrogen

Sulphur

Phosphorous

Carbohydrates

Lipids

Nucleic Acids

Proteins

proteins

provides energy to cells, stores energy, forms body structures

nucleic acids

stores energy, forms cell membranes, carries messages

lipids

helps cells keep their shape, makes up muscles, speeds up chemical reactions, carries messages and materials

carbohydrates

contains instructions for proteins, passes instructions from parents to offspring, helps make proteins

What are the small repeating units in carbohydrates called?

Amino acids

Monosaccharides

Polysaccharides

Nucleotides

What elements do carbohydrates contain?

Carbon, hydrogen, and oxygen

Carbon, hydrogen, and nitrogen

Hydrogen, oxygen, and nitrogen

Carbon, oxygen, and nitrogen

What is the primary function of carbohydrates in the body?

Store energy

Support structure

Speed up reactions

Regulate genes

Which simple sugar is primarily found in fruits?

Sucrose

Lactose

Glucose

Fructose

What is the chemical formula for glucose?

H2O

C6H12O6

CO2

C12H22O11

Which process results in the production of glucose?

Photosynthesis

Fermentation

Digestion

Respiration

If glucose and fructose are isomers, what does it mean for their chemical formulas and the atom arrangements?

The chemical formulas and the atom arrangements are the same.

The chemical formulas and the atom arrangements are different.

The chemical formulas are complementary, but the atom arrangements are different.

The chemical formulas are identical, but the atom arrangements are different.

When two monosaccharides bond together, they form a protein, not a carbohydrate.

True

False

Sucrose, a type of disacaccharide, is composed of the monosaccharides fructose and glucose.

True

False

Polysaccharides are simple carbohydrates that are formed by only two simple sugars binding together.

True

False

Polysaccharides can contain between a few to thousands of simple sugars.

True

False

What are the main functions of complex carbohydrates?

Building proteins

Storing energy

Forming structures of living things

Supplying vitamins

What forms when simple sugars bind together in a chain?

Amino acids

Complex carbohydrates

Proteins

Polysaccharides

What two key roles do proteins play in the body's functioning?

Producing energy

Catalyzing reactions

Defending against diseases

Storing vitamins

What is a protein composed of?

Cells

Amino acids

Peptides

Enzymes

Approximately how many different amino acids are found in living organisms' proteins?

30

50

20

10

 A protein may have up to four levels of structure. The lowest level, a protein’s primary structure, is its sequence of amino acids. The complex structures of different proteins give them unique properties, which they need to carry out their various jobs in living organisms.

Secondary

The sequence of amino acids in a protein.

Tertiary

Amino acid's hydrogen bonds to for helices and sheets.

Quaternary

Three dimensional structure of a protein, attractions for between helices and sheets

Primary

Protein consisting of more than one amino acid chain

What are the proteins that speed up biochemical reactions in cells?

Nucleic acids

Lipids

Antibodies

Enzymes

Which protein targets pathogens for destruction in our body?

Neurotransmitters

Enzymes

Hormones

Antibodies

Match the type of lipid with its primary function.

Steroids

Stored energy in animals

Triglycerides

Major components of cell membranes

Phospholipids

Serve as chemical messengers and other roles

Why are lipids important for human body functions?

Lipids store energy and form cell membranes

Lipids enhance athletic performance

Lipids support bone health

Lipids help brain function

Which types of fatty acids must be consumed through diet?

Omega-3 and Omega-6

Omega-7 and Omega-9

Omega-4 and Omega-5

Omega-1 and Omega-2

What is the primary role of essential fatty acids in the body?

Provide immediate energy

Help in digestion

Needed for major biological processes

Regulate body temperature

ATP is not considered a nucleic acid?

True

False

What replaces thymine in RNA?

Cytosine

Uracil

Guanine

Adenine

What is the shape of the DNA molecule known as?

Triple helix

Single helix

Double helix

Circular

In DNA, the base adenine always binds to which other base?

Guanine

Cytosine

Adenine

Thymine

DNA, RNA, and ATP are types of what?

Proteins

Amino acids

Nucleic acids

Lipids

Match the following molecules to their functions

RNA

Essential components of proteins

Amino Acid

Holds genetic instructions for protein sequence

DNA

Uses DNA information to assemble amino acids

What are the three smaller molecules that make up a nucleotide?

Nitrogen base

Sugar

Protein

Phosphate group

Copy of Reading Review CK12 1.9- 1.13 (2/1/2024)

Copy of Reading Review CK12 1.9- 1.13 (2/1/2024)

Approximately how many carbon-based compounds can be found in living things?

What are the four major types of organic compounds?Response: List in alphabetical order with no commas between words

What is the primary element in organic compounds?

What best describes the role of organic compounds in organisms?

How many elements does a compound consist of?

Why is water not considered an organic compound?

Why is carbon fundamental to life?

How many major types of organic compounds can millions of organic compounds be grouped into?

Approximately how many carbon-based compounds can be found in living things?

What are the four major types of organic compounds?Response: List in alphabetical order with no commas between words

For the given macromolecule select the correct elements. Make sure you slide the bottom bar to see all possible selections.

What are the small repeating units in carbohydrates called?

What elements do carbohydrates contain?

What is the primary function of carbohydrates in the body?

Which simple sugar is primarily found in fruits?

What is the chemical formula for glucose?

Which process results in the production of glucose?

If glucose and fructose are isomers, what does it mean for their chemical formulas and the atom arrangements?

When two monosaccharides bond together, they form a protein, not a carbohydrate.

Sucrose, a type of disacaccharide, is composed of the monosaccharides fructose and glucose.

Polysaccharides are simple carbohydrates that are formed by only two simple sugars binding together.

Polysaccharides can contain between a few to thousands of simple sugars.

What are the main functions of complex carbohydrates?

What forms when simple sugars bind together in a chain?

What two key roles do proteins play in the body's functioning?

What is a protein composed of?

Approximately how many different amino acids are found in living organisms' proteins?

A protein may have up to four levels of structure. The lowest level, a protein’s primary structure, is its sequence of amino acids. The complex structures of different proteins give them unique properties, which they need to carry out their various jobs in living organisms.

What are the proteins that speed up biochemical reactions in cells?

Which protein targets pathogens for destruction in our body?

Match the type of lipid with its primary function.

Why are lipids important for human body functions?

Which types of fatty acids must be consumed through diet?

What is the primary role of essential fatty acids in the body?

ATP is not considered a nucleic acid?

What replaces thymine in RNA?

What is the shape of the DNA molecule known as?

In DNA, the base adenine always binds to which other base?

DNA, RNA, and ATP are types of what?

Match the following molecules to their functions

What are the three smaller molecules that make up a nucleotide?

What are the four major types of organic compounds?
Response: List in alphabetical order with no commas between words

What are the four major types of organic compounds?
Response: List in alphabetical order with no commas between words