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Ch. 1 Full PowerPoint

Ch. 1 Full PowerPoint

Assessment

Presentation

•

Biology

•

9th Grade

•

Hard

•
NGSS
HS-LS2-5, HS-LS1-1, HS-LS1-7

+9

Standards-aligned

Created by

Britni McDonald

FREE Resource

70 Slides • 38 Questions

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Multiple Choice

Explain the process of polymerization and its significance in the formation of biomolecules.

1
Biomolecules are formed solely through chemical reactions without polymerization.
2
Polymerization is significant in forming biomolecules as it allows the assembly of essential macromolecules like proteins and nucleic acids, which are vital for cellular structure and function.
3
Polymerization is unrelated to the structure of proteins and nucleic acids.
4
Polymerization is a process that only occurs in plants.

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Fill in the Blank

The monomer of carbohydrates is called a ___.

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Multiple Select

Which of the following are examples of protein functions in the human body? (Select Multiple)

1

Enzyme catalysis

2

Structural support

3

Energy storage

4

Transport of molecules

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Multiple Choice

Explain how the structure of a protein is related to its function in the cell.

1
Proteins function independently of their structure.
2
The structure of a protein has no impact on its activity.
3
The structure of a protein determines its function by dictating how it interacts with other molecules in the cell.
4
All proteins have the same structure and function.

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Multiple Choice

Which of the following best describes the process shown in the diagram of protein structure?

1

Folding of polypeptide chains from primary to quaternary structure

2

Replication of DNA into RNA

3

Transport of molecules across a cell membrane

4

Breakdown of lipids into fatty acids

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Multiple Choice

The monomer unit of nucleic acids is called a ___.

1
nucleotide
2

amino acid

3

monosaccharide

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fatty acid

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Multiple Choice

What is the primary function of DNA as described in the images?

1

Carrying genetic information and maintaining proper functioning of the body

2

Providing energy for cellular processes

3

Forming the structure of cell membranes

4

Digesting and absorbing food

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Open Ended

Compare and contrast saturated and unsaturated fatty acids in terms of their structure and physical properties.

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Multiple Choice

Which fatty acid from the table is most likely to be solid at room temperature?

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Stearic acid

2

Oleic acid

3

Linoleic acid

4

Linolenic acid

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Multiple Choice

How does the number of double bonds in a fatty acid affect its melting point?

1

More double bonds lower the melting point

2

More double bonds raise the melting point

3

Number of double bonds has no effect

4

More double bonds make it solid at room temperature

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Multiple Choice

Which fatty acid is saturated?

1

Stearic acid

2

Oleic acid

3

Linoleic acid

4

Linolenic acid

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Multiple Choice

Describe the structure and main components of the cell membrane as shown in the diagram.

1
The cell membrane is a rigid structure made of cellulose and proteins.
2
The cell membrane consists of a phospholipid bilayer, embedded proteins, and cholesterol, forming a semi-permeable barrier that regulates the movement of substances in and out of the cell.
3
The cell membrane functions as a solid barrier that does not allow any substances to pass through.
4
The cell membrane is composed solely of carbohydrates and nucleic acids.

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Open Ended

Which biomolecules are used to store energy in a cell?

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Multiple Choice

A chemical reaction changes one set of chemicals into another. The chemicals at the start of the reaction are called ___.

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reactants
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product

3

activation energy

4

yield

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Multiple Choice

Which reaction occurs spontaneously?

1

The reaction that releases energy

2

The reaction that absorbs energy

3

Both reactions occur spontaneously

4

Neither reaction occurs spontaneously

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Multiple Choice

How do enzymes affect the activation energy of a chemical reaction?

1

They increase the activation energy

2

They decrease the activation energy

3

They do not affect the activation energy

4

They stop the reaction completely

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Multiple Choice

Which of the following statements about energy-releasing reactions is correct?

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They require more energy to get started

2

They occur spontaneously

3

They have a higher activation energy

4

They proceed more slowly

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Multiple Choice

The enzyme-substrate complex forms when enzymes bind to their ___.

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substrates
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product

3

activation energy

4

yield

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Multiple Choice

What are the main functions of vacuoles in living cells?

1

Storage, maintaining pressure, and metabolic functions.

2
Energy production and respiration
3
Photosynthesis and light absorption

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Open Ended

If lysosomes are generally only intended for animal or animal-like cells, then what plant exists that may use a lysosome? "Think about in the rainforest"

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Open Ended

Name the 2 different endoplasmic reticulum.

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Multiple Choice

Ribosomes are originally made where?

1
Nucleolus
2
Golgi Apparatus
3
Endoplasmic Reticulum
4
Cytoplasm

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Multiple Choice

What cellular structure builds proteins?

1
Ribosomes
2
Nucleus
3
Mitochondria
4
Golgi apparatus

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Multiple Choice

How does the endoplasmic reticulum help with finalizing the making of a protein?

1
The endoplasmic reticulum helps finalize protein making by synthesizing, folding, and modifying proteins before they are sent to the Golgi apparatus.
2
The endoplasmic reticulum only transports proteins to the nucleus.

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Open Ended

What biomolecule makes up the vesicle "shipping container" that ships the protein to the Golgi apparatus or other parts of the cell?

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Open Ended

What are the two organelles responsible for energy conversion in living cells?

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Multiple Choice

Chloroplasts carry out what cellular process?

1
Cellular respiration
2
Protein synthesis
3
Photosynthesis

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Multiple Choice

Mitochondria carry out what cellular process?

1
Photosynthesis
2
Protein synthesis
3
Cellular respiration

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Open Ended

The natural flow is?

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Multiple Select

Which of the following statements about osmosis, as shown in the diagram, are correct? (Multi choices)

1

Water moves from lower to higher solute concentration through aquaporins.

2

Sugar cannot pass through the membrane due to lack of channel proteins.

3

Osmosis is a type of passive transport.

4

Cell membranes allow all molecules to pass freely.

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Open Ended

Compare and contrast the difference between simple diffusion and facilitated diffusion.

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Open Ended

Why is osmosis still considered a type of facilitated transport?

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Multiple Choice

Why will cells try to move water "first" before any other molecule for homeostasis?

1
Cells will try to move water first for homeostasis because it is crucial for maintaining osmotic balance and cellular function.
2
Proteins are more important for cellular structure than water.
3
Cells prioritize moving glucose for energy needs.
4
Oxygen is the first molecule needed for cellular respiration.

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Multiple Choice

What does active transport need in order to move molecules across a membrane?

1
Energy (ATP)
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Osmosis
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Facilitated transport
4
Diffusion

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Open Ended

Name the type of animal cell that would be #2 and #4.

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Open Ended

Name the type of plant cell for #1 and #4

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Multiple Choice

Why does the left ventricle of the heart require so much mitochondria per cell?

1
The left ventricle requires many mitochondria to produce the energy needed for its strong contractions to pump blood throughout the body.
2
The left ventricle has fewer mitochondria because it relies on anaerobic respiration.
3
The left ventricle requires mitochondria to store oxygen for later use.

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Open Ended

Reflecting on today's lesson about biomolecules and carbon compounds, what is one question you still have or something you would like to learn more about?

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