Question 1

Which type of microscope would be most appropriate for visualizing the detailed internal structure of a mitochondrion within a eukaryotic cell?

Accepted Answer

A transmission electron microscope

Question 2

Which of the following is a primary difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells contain membrane-bound organelles, prokaryotic cells do not.

Question 3

A scientist isolates a cell with the following characteristics: (1) no nucleus, (2) a cell wall, and (3) the cell is 2 $$\mum in $$size. What type of cell is this most likely to be?

Accepted Answer

Bacterium

Question 4

Which organelle is responsible for packaging the genetic/hereditary material in eukaryotic cells but not in prokaryotic cells?

Accepted Answer

Nucleus

Question 5

Which of the following statements about ribosomes is correct?

Accepted Answer

Ribosomes synthesize proteins.

Question 6

Which of the following is NOT a component of the cytoskeleton in eukaryotic cells?

Accepted Answer

Tight junctions

Question 7

According to the endosymbiotic theory, which organelle is believed to have originated from a symbiotic relationship between a primitive eukaryotic cell and a prokaryotic cell?

Accepted Answer

Mitochondrion

Question 8

Which of the following best describes the DNA in prokaryotic cells?

Accepted Answer

Circular and found in the nucleoid region

Question 9

Which two organelles are responsible for producing cellular energy in eukaryotic cells?

Accepted Answer

Mitochondria and chloroplasts

Question 10

A researcher wants to study the external surface of a virus particle. Which type of microscope should they use?

Accepted Answer

Scanning electron microscope

Question 11

Which of the following is NOT a feature shared by all types of cells?

Accepted Answer

Contains a nucleus that stores the genetic material

Question 12

Which of the following is a correct statement about the size of prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells are generally larger than prokaryotic cells.

Question 13

Which of the following best describes the function of the Golgi apparatus in eukaryotic cells?

Accepted Answer

Packages and modifies proteins for transport

Question 14

Which of the following is a function of the smooth endoplasmic reticulum (ER) in eukaryotic cells?

Accepted Answer

Lipid synthesis and detoxification

Question 15

Which of the following statements about bacterial ribosomes is correct?

Accepted Answer

They are involved in protein synthesis.

Question 16

Which of the following is a unique feature of plant cells compared to animal cells?

Accepted Answer

Presence of a central vacuole

Question 17

Which of the following is a correct pairing of organelle and its function?

Accepted Answer

Chloroplast – photosynthesis

Question 18

Which of the following best explains why antibiotics that target bacterial ribosomes do not harm human cells?

Accepted Answer

Bacterial ribosomes are structurally different from eukaryotic ribosomes.

Question 19

Which of the following is a correct description of binary fission?

Accepted Answer

A process by which prokaryotic cells reproduce asexually

Question 20

Which of the following is a real-world application of electron microscopy?

Accepted Answer

Diagnosing viral infections by visualizing virus particles

Cell Structure and Microscopy: Prokaryotic and Eukaryotic Cells

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