Question 1

Which of the following structures is found in both prokaryotic and eukaryotic cells, but NOT in viruses?

Accepted Answer

Cell membrane

Question 2

A scientist observes a cell with a nucleus, mitochondria, and chloroplasts. Which type of cell is she most likely observing?

Accepted Answer

Plant cell

Question 3

Transcription in eukaryotic cells occurs in which cellular compartment?

Accepted Answer

Nucleus

Question 4

Which organelle is responsible for the synthesis of secreted proteins?

Accepted Answer

Rough endoplasmic reticulum

Question 5

A protein destined for secretion from a pancreatic cell will follow which correct pathway?

Accepted Answer

Rough ER $$\rightarrow$$ transport vesicle $$\rightarrow$$ Golgi apparatus $$\rightarrow$$ transport vesicle $$\rightarrow$$ cell membrane

Question 6

Which of the following is NOT evidence supporting the endosymbiotic theory for the origin of mitochondria and chloroplasts?

Accepted Answer

They both allow a cell to use photosynthesis.

Question 7

How many lipid bilayers must a molecule cross to move from the cytoplasm into the stroma of a chloroplast?

Accepted Answer

$$2$$

Question 8

Which cell type is most likely to have a high concentration of smooth endoplasmic reticulum?

Accepted Answer

A cell that makes steroid hormones

Question 9

Kartagener’s syndrome is caused by a defect in which cytoskeletal component, leading to respiratory infections and infertility?

Accepted Answer

Microtubules

Question 10

Which cytoskeletal fiber is necessary for the movement of white blood cells during immune responses?

Accepted Answer

Microfilaments

Question 11

Which of the following cell junctions is critical for preventing urine leakage in the bladder?

Accepted Answer

Tight junctions

Question 12

Which organelle is NOT part of the endomembrane system?

Accepted Answer

Mitochondria

Question 13

Which of the following is a function of mitochondria?

Accepted Answer

Cellular respiration

Question 14

Which of the following proteins is found in the Golgi apparatus of cells?

Accepted Answer

ABO

Question 15

A mutation in the gene encoding dynein would most likely affect which cellular process?

Accepted Answer

Movement of cilia and flagella

Question 16

Which of the following statements about ribosomes is TRUE?

Accepted Answer

They are composed of RNA and protein.

Question 17

Which of the following is a transmembrane protein?

Accepted Answer

ABO

Question 18

Which of the following is NOT a function of the smooth endoplasmic reticulum?

Accepted Answer

Synthesis of secreted proteins

Question 19

Which of the following cell junctions is found only in plant cells?

Accepted Answer

Plasmodesmata

Question 20

If a free ribosome becomes bound, which organelle does it attach to?

Accepted Answer

Rough endoplasmic reticulum

Cell Biology: Prokaryotes vs. Eukaryotes, Organelles, Cytoskeleton, and Cell Junctions

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