$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy}$$

$$6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{light energy} \rightarrow \mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$}$$

Question 1

Which organelle is primarily responsible for synthesizing ATP through cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 2

A cell that specializes in detoxifying drugs and poisons would likely have an abundance of which organelle?

Accepted Answer

Smooth endoplasmic reticulum

Question 3

Which structure regulates the movement of molecules between the nucleus and cytoplasm?

Accepted Answer

Nuclear envelope

Question 4

The endosymbiotic theory explains the origin of which two organelles in eukaryotic cells?

Accepted Answer

Mitochondria and chloroplasts

Question 5

Which of the following best describes the function of the Golgi apparatus?

Accepted Answer

Modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles

Question 6

A plant cell is placed in a hypotonic solution. Which organelle helps prevent the cell from bursting?

Accepted Answer

Central vacuole

Question 7

Which cytoskeletal element is primarily responsible for chromosome movement during mitosis?

Accepted Answer

Microtubules

Question 8

Muscle cells require large amounts of energy for contraction. Which organelle would be most abundant in these cells?

Accepted Answer

Mitochondria

Question 9

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

Accepted Answer

Protein synthesis

Question 10

If a cell is specialized for digesting and recycling cellular waste, which organelle would be most prominent?

Accepted Answer

Lysosome

Question 11

Which equation correctly represents the overall reaction for cellular respiration in mitochondria?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy}$$

Question 12

Which organelle is the site of photosynthesis in plant cells?

Accepted Answer

Chloroplast

Question 13

Which component of the cytoskeleton is most involved in muscle contraction and cell movement?

Accepted Answer

Actin filaments

Question 14

Which structure connects adjacent plant cells and allows for the movement of water and small molecules between them?

Accepted Answer

Plasmodesmata

Question 15

A mutation prevents the formation of ribosomes in a cell. Which process would be directly affected?

Accepted Answer

Protein synthesis

Question 16

Which organelle is responsible for packaging and shipping proteins to their final destinations inside or outside the cell?

Accepted Answer

Golgi apparatus

Question 17

Which of the following best explains why the cell is considered greater than the sum of its parts?

Accepted Answer

Cellular components interact and coordinate to perform complex functions that individual organelles cannot accomplish alone.

Question 18

Which equation represents the overall reaction for photosynthesis in chloroplasts?

Accepted Answer

$$6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{light energy} ightarrow \mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$}$$

Question 19

Which extracellular structure in animal cells helps coordinate cellular activities and provides structural support?

Accepted Answer

Extracellular matrix

A Tour of the Cell (Chapter 6): Structure and Function of Eukaryotic Cells

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