During a biology class, Reese displayed a chart explaining the roles of cellular components. Based on that chart, which of the following is not a function of intermediate filaments?

Anchoring nucleus and certain other organelles

What is the function of the Golgi apparatus in a cell, as explained by Reese in the science class?

It modifies, sorts, and packages protein and other materials for storage.

It breaks down sugar to produce ATP.

It uses light energy to make ATP and NADPH.

It produces CO2 as a result of harvesting energy from light.

Why do plant cells require ATP when growing in a garden?

For cellular functions, such as breaking down sugar and producing energy, essential for their growth and health.

To modify and sort proteins only.

What is the role of chlorophyll in plants, as explained by Aidan in the science project?

It absorbs and reflects specific wavelengths of light to create energy.

It is used for modifying and sorting proteins.

It breaks down sugar to produce ATP.

It stores protein and other materials from the ER.

Why is it crucial for a city's waste management system to have a high efficiency in processing waste relative to its size?

To make it easier for the system to regulate what waste comes in and out.

To ensure the system can store more waste materials.

To reduce the energy consumption of the system.

To increase the system's ability to convert waste into energy.

Why is the plasma membrane often referred to as a fluid mosaic model?

Because it is composed of many macromolecules that allow it to move and shift

Because it is composed of a single, rigid macromolecule

Because it is impermeable to substances moving in and out of the cell

Because it has a uniform structure without any variation

What is the role of cholesterol in the plasma membrane of cells in Peyton's science project?

It decreases membrane fluidity at high temperatures and increases it at low temperatures

It increases membrane fluidity at high temperatures and decreases it at low temperatures

It has no effect on membrane fluidity

It removes lipids from the membrane

What is the purpose of the plasma membrane in the cells studied by Aidan and Riley?

To separate the cell environment from the external environment and control substance movement

To allow all materials to freely enter and exit the cell

To provide structural support to the cell only

To synthesize proteins for the cell

Kyran and Sara are discussing the properties of phospholipids in their biology class. They are curious about the difference between unsaturated and saturated tails of phospholipids. Can you help them understand?

Unsaturated tails have one or more double bonds, while saturated tails lack double bonds

Unsaturated tails have no double bonds, while saturated tails have one or more double bonds

Unsaturated tails are found only in animals, while saturated tails are found only in plants

Unsaturated tails increase the tight packing of phospholipid tails, while saturated tails decrease it

While exploring a science museum, Kaleb and Sara encounter an interactive exhibit on cell biology. One section of the exhibit features a large, touch-sensitive model of a cell membrane. They are particularly intrigued by the parts labeled as integral proteins. What are integral proteins?

Proteins embedded into the lipid bilayer, also known as transmembrane proteins

Proteins that are loosely bonded to the surface of the lipid bilayer

Proteins that are completely outside the lipid bilayer

Proteins that prevent the movement of substances through the membrane

Consider a detergent molecule used in cleaning products. What does it mean when these molecules are described as amphipathic?

They have a hydrophobic end and a hydrophilic end

They repel both water and lipids

In cold environments, polar bears maintain their cell membrane fluidity by .

By decreasing the amount of cholesterol

By increasing the tight packing of lipids

By maintaining a high amount of cholesterol

By completely removing cholesterol from their diet

During a biology class, Reese asked, 'What structure allows smaller molecules and hydrocarbons to pass through the cell membrane more easily?'

Lipid bilayer of amphipathic phospholipids

Imagine a garden with various plants. How can these plants exchange nutrients and water through their cell membranes despite having a cell wall?

Plasmodesmata allow the exchange of material between cells

The cell wall is fully permeable

The cell wall is made of hydrocarbons

Plant cells do not have a cell membrane

During a hiking trip, Peyton and Riley explained how water bottles with filters work. What is the main difference between the filtration method (active transport) and simply letting water flow through the filter by gravity (passive transport)?

Active transport requires ATP, while passive transport does not

Active transport moves molecules from low to high concentration, while passive transport moves them from high to low concentration

Passive transport requires cellular energy, while active transport does not

Active transport can only move polar molecules, while passive transport can move any type of molecule

Hannah and Kyran are studying cells and come across the term 'diffusion'. How would you explain diffusion to them?

Movement of molecules from high to low concentration without the use of cellular energy

Movement of molecules from low to high concentration

Movement of molecules that requires ATP

Movement of molecules in a fixed direction due to cellular structures

Why is active transport necessary for animal cells regarding potassium, as discussed by Aidan and Reese in their project?

To maintain a high internal concentration of potassium against the concentration gradient

To maintain a low internal concentration of potassium

To allow potassium to move freely across the membrane

To prevent potassium from entering the cell

Kaleb is studying cell biology and is curious about what facilitated diffusion is. Can you explain it to him?

The diffusion of molecules through the membrane via transport proteins, which is another form of passive transport.

The active transport of molecules through the membrane via transport proteins.

The movement of molecules against the concentration gradient with energy expenditure.

The process where molecules are transported by vesicles.

During a biology class demonstration, Aidan and Reese explained how certain substances pass through the cell membrane without energy. Which types of transport proteins did they mention are involved in this process, known as facilitated diffusion?

Channel proteins and carrier proteins.

Enzyme proteins and receptor proteins.

Gated proteins and structural proteins.

Hormone proteins and antibody proteins.

Kyran is studying biology and wonders what can pass through the cell membrane through osmosis and diffusion?

Water, small ions, and carbohydrates.

Only carbohydrates and proteins.

If there was a mutation that changed the amino acid sequence of the proteins that make up aquaporins, as discovered in a recent study by Peyton and Kaleb, what would happen to the rate of osmosis?

The rate of osmosis would decrease because of the mutation in the aquaporin.

The rate of osmosis would increase.

The rate of osmosis would not be affected.

The rate of osmosis would fluctuate unpredictably.

Kaleb is curious about the difference between a "concentration gradient" and a "chemical gradient" while studying how substances move across cell membranes. Can you explain it to him?

A concentration gradient refers to the concentration of a particular type of molecule, while a chemical gradient refers to the concentration and consistency of ions.

A concentration gradient refers to the concentration and consistency of ions, while a chemical gradient refers to the concentration of a particular type of molecule.

There is no difference; both terms can be used interchangeably.

A concentration gradient is related to temperature differences, while a chemical gradient is related to concentration differences.

Imagine a scenario where a gardener accidentally over-fertilizes the soil around a plant, creating a hypertonic solution in the soil. What happens to the cells of the plant and any animal cells that might be in contact with this soil?

Animal cells: cells shrivel and die; Plant cells: plasmolysis (vacuole shrinks and the plasma membrane pulls away from the cell wall).

Animal cells: swell and lyse; Plant cells: the vacuole will swell.

Both animal and plant cells benefit from being in a hypertonic solution.

Animal cells: remain unchanged; Plant cells: become turgid.

Imagine a scenario where a gardener is watering his plants and a pet owner is hydrating his dog. If the water used is isotonic with the cells of the plants and the dog, what would be the effect?

Both the plants and the dog benefit from being in an isotonic solution.

Plants: swell and lyse; Dog: cells shrivel and die.

Both the plants and the dog are damaged in an isotonic solution.

Plants: become turgid; Dog: remains unchanged.

Imagine Riley and Aidan are conducting an experiment in their biology class where they place cells in different solutions. What would happen to the cells if they were placed in a hypotonic solution?

Animal cells: swell and lyse; Plant cells: the vacuole will swell.

Animal cells: cells shrivel and die; Plant cells: plasmolysis occurs.

Both plant and animal cells benefit from being in a hypotonic solution.

Plant cells: cells shrivel and die; Animal cells: become turgid.

Why is compartmentalization important in cells?

It allows for different metabolic reactions to occur in different locations, such as Hannah's study on cellular respiration and Kyran's research on photosynthesis.

It decreases the surface area for reactions to occur.

It prevents the cell from producing ATP.

It reduces the efficiency of subcellular processes.

What is the role of the inner membrane of the mitochondria in Sara's science project?

It increases the surface area for ATP synthesis.

It decreases the surface area inside the mitochondria.

It is involved in the export of materials from the cell.

It prevents the compartmentalization of the mitochondria.

During a biology class, a student asked, 'Which evidence supports the idea that mitochondria and chloroplasts were once free-living prokaryotic organisms?' Which statement would be the best answer?

Mitochondria and chloroplasts have their own ribosomes and circular DNA, similar to prokaryotic cells.

Mitochondria and chloroplasts have no similarities with prokaryotic cells.

Mitochondria and chloroplasts can be found as free living prokaryotes.

Eukaryotic cells require less energy to function than prokaryotic cells.

#APBioBunker Unit 2 Cell Structure & Transport

Authored by Crystal Whitley

Biology

12th Grade

Used 2+ times

#APBioBunker Unit 2 Cell Structure & Transport

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a biology lab, a student is observing cells under a microscope. The student is trying to identify which organelles are present in animal cells but not in plant cells. Which organelles should the student look for?

Chloroplasts and central vacuole

Centrosomes and lysosomes

Cell wall and plasmodesmata

Ribosomes and endoplasmic reticulum

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a science project, Reese and Aidan were discussing what ribosomes are made of. Can you help them understand?

DNA and lipids

RNA and protein

Carbohydrates and enzymes

Phospholipids and nucleic acids

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kaleb is curious about cell biology and asks, 'What is the function of ribosomes?'

Synthesizing lipids

Synthesizing proteins

Detoxifying the cell

Storing genetic material

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Imagine you are studying a newly discovered prokaryotic organism found in the depths of the ocean. In which part of this organism would you expect to find its DNA?

In the nucleus

In the nucleoloid region

In the mitochondria

In the ribosomes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During a biology class, Christian explained the functions of the smooth endoplasmic reticulum (ER) in a cell. Which of the following did he mention is not a function of the smooth ER?

Metabolizing carbohydrates

Detoxifying the cell

Synthesizing ribosomes

Synthesizing lipids

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Riley is studying cell biology and wonders, what is the final destination for proteins synthesized in the rough ER and processed in the Golgi apparatus?

The nucleus

The lysosome

The plasma membrane

The cytosol

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Based on the chart, what is the primary function of microtubules in the cells studied by Riley and Kyran?

Providing structural support for the movement of organelles

Maintaining cell shape and enabling cell motility

Producing nucleic acids and organelles

Assisting in muscle contraction

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#APBioBunker Unit 2 Cell Structure & Transport

In a biology lab, a student is observing cells under a microscope. The student is trying to identify which organelles are present in animal cells but not in plant cells. Which organelles should the student look for?

During a science project, Reese and Aidan were discussing what ribosomes are made of. Can you help them understand?

Kaleb is curious about cell biology and asks, 'What is the function of ribosomes?'

Imagine you are studying a newly discovered prokaryotic organism found in the depths of the ocean. In which part of this organism would you expect to find its DNA?

During a biology class, Christian explained the functions of the smooth endoplasmic reticulum (ER) in a cell. Which of the following did he mention is not a function of the smooth ER?

Riley is studying cell biology and wonders, what is the final destination for proteins synthesized in the rough ER and processed in the Golgi apparatus?

Based on the chart, what is the primary function of microtubules in the cells studied by Riley and Kyran?

What is the structure of microfilaments according to the chart?

During a biology class, Reese displayed a chart explaining the roles of cellular components. Based on that chart, which of the following is not a function of intermediate filaments?

What is the function of the Golgi apparatus in a cell, as explained by Reese in the science class?

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