GENBIO1-UNIT 4

Multiple Choice

Which of the following foods is NOT a rich source of protein?

• Eggs

• Milk

• Meat

• Rice

Open Ended

Why are proteins important for living organisms?

Multiple Choice

Which of the following is NOT a function of proteins in the human body?

• Muscle development

• Improved immune system

• Bone development

• Energy storage

Open Ended

How do large molecules such as proteins pass through the cell?

Open Ended

Explain the transport mechanisms in cells, specifically bulk or vesicular transport.

Multiple Choice

What is the main topic discussed in these slides?

• Protein synthesis

• Bulk or vesicular transport in cells

• Photosynthesis

• Cell division

Multiple Select

Which of the following are true about vesicles?

• They are found inside or outside a cell.

• They consist of cytoplasm.

• They are enclosed by a lipid bilayer.

• They are made entirely of proteins.

Fill in the Blanks

Vesicles are enclosed by a lipid

.

Multiple Choice

What is the primary function of vesicles in bulk or vesicular transport?

• To store genetic information

• To form the cell wall

• To transport molecules during secretion and uptake

• To generate energy for the cell

Multiple Choice

Which organelle is responsible for producing vesicles that carry cell products to the membrane?

• Mitochondria

• Golgi body

• Nucleus

• Lysosome

Open Ended

Describe the general mechanism of bulk or vesicular transport as shown in the diagram. Include the main steps involved in the process.

Fill in the Blanks

During vesicular transport, coat proteins bind to sorting

to help select cargo.

Multiple Select

Which of the following are steps involved in the general mechanism of bulk or vesicular transport?

• Budding

• Scission

• Uncoating

• Photosynthesis

Multiple Choice

What happens to the membrane during the budding step of bulk transport?

• It dissolves completely

• It deforms to form a bud containing the molecule

• It becomes rigid

• It fuses with the nucleus

Open Ended

Explain the role of scission proteins in the process of bulk transport.

Open Ended

Describe how the SNARE assembly contributes to the specificity of vesicle targeting during bulk transport.

Multiple Choice

Which steps in the bulk transport process involve the removal of coat proteins and the movement of the vesicle closer to the target membrane?

• Uncoating and fusion

• Scission and tethering

• Uncoating and tethering

• Budding and fusion

Fill in the Blanks

During the fusion step of bulk transport, the vesicle delivers its membrane components and physically

with the target membrane.

Multiple Choice

Which of the following is the correct order of the general steps involved in bulk transport as shown in the diagram?

• Budding, scission, uncoating, translocation, tethering, fusion

• Scission, budding, uncoating, translocation, tethering, fusion

• Budding, uncoating, scission, translocation, tethering, fusion

• Budding, scission, translocation, uncoating, tethering, fusion

Multiple Choice

What acronym can be used to remember the six steps of bulk transport?

• BSUTTF

• BUSTTF

• BSTUTF

• BSUTFT

Open Ended

How are the types of vesicular transport different from one another?

Multiple Choice

Which of the following is NOT a type of vesicular transport?

• Exocytosis

• Phagocytosis

• Pinocytosis

• Osmosis

Fill in the Blanks

During exocytosis, materials are expelled from the cell into the

fluid.

Open Ended

Describe the main difference between phagocytosis and pinocytosis.

Multiple Choice

What is the role of receptors in receptor-mediated endocytosis?

• To break down substances

• To identify and bind specific molecules for intake

• To expel waste from the cell

• To transport water only

Multiple Select

Which types of vesicular transport involve the intake of substances into the cell?

• Exocytosis and Phagocytosis

• Phagocytosis and Pinocytosis

• Pinocytosis and Exocytosis

• Exocytosis and Receptor-mediated endocytosis

Multiple Choice

Why is it important for our diet to include foods like eggs, milk, and meat?

• They are rich sources of proteins needed for body growth and repair.

• They are the only sources of vitamins.

• They help in the digestion of carbohydrates.

• They are the main source of fats.

Open Ended

How does bulk or vesicular transport contribute to the movement of large molecules across the cell membrane?