$$\text{DNA} \rightarrow \text{RNA} \rightarrow \text{Protein}$$

Question 1

Which of the following structures is considered an organelle in eukaryotic cells?

Accepted Answer

Nucleus

Question 2

What distinguishes an organelle from a non-organelle structure in a cell?

Accepted Answer

Organelles are surrounded by a membrane

Question 3

Which process occurs at the ribosome?

Accepted Answer

Translation of RNA to protein

Question 4

A mutation prevents the formation of the nuclear envelope in a eukaryotic cell. Which cellular process would be most directly affected?

Accepted Answer

Separation of genetic material from the cytoplasm

Question 5

Which organelle is primarily responsible for detoxification and lipid synthesis?

Accepted Answer

Smooth endoplasmic reticulum

Question 6

In plant cells, which organelle converts sunlight into chemical energy stored in sugars?

Accepted Answer

Chloroplast

Question 7

Which of the following is NOT surrounded by a membrane?

Accepted Answer

Ribosome

Question 8

A cell is observed to have a large central vacuole. Which type of organism is this cell most likely from?

Accepted Answer

Plant

Question 9

Which sequence correctly describes the flow of genetic information for protein synthesis in eukaryotic cells?

Accepted Answer

$$	ext{DNA} ightarrow 	ext{RNA} ightarrow 	ext{Protein}$$

Question 10

Which organelle packages and modifies proteins for transport out of the cell?

Accepted Answer

Golgi apparatus

Question 11

A scientist discovers a cell structure made of RNA that is not surrounded by a membrane. What is this structure most likely to be?

Accepted Answer

Ribosome

Question 12

Which of the following is a function of the cytoskeleton?

Accepted Answer

Maintaining and changing cell shape

Question 13

Which structure is found in both prokaryotic and eukaryotic cells?

Accepted Answer

Ribosome

Question 14

Which of the following best describes the role of vesicles in a cell?

Accepted Answer

They transport and digest cellular materials

Question 15

If a cell lacked a functional rough ER, which process would be most directly impaired?

Accepted Answer

Protein folding and initial modification

Question 16

Which organelle is the site of most ATP production in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 17

Which of the following cell structures is primarily composed of carbohydrates?

Accepted Answer

Cell wall

Question 18

A cell is unable to produce ribosome subunits. Which part of the cell is most likely malfunctioning?

Accepted Answer

Nucleolus

Question 19

Which of the following is a correct real-world application of the function of mitochondria?

Accepted Answer

Muscle cells require more mitochondria to meet high energy demands during exercise

Question 20

Which of the following best explains why animal cells do not have large central vacuoles?

Accepted Answer

Animal cells use other organelles for storage and do not need large vacuoles

Study Notes: Introduction to Cells and Cell Structures (BIOL 1103, Section 2.1)

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