Question

graph 1. comparison of mitochondria and ribosome numbers among three types of cells

1. based on the data shown above,

a) the average # of mitochondria in muscle cells is 50% higher than in bone cells
b) the average # of mitochondria in muscle cells is 10% higher than in nerve cells
c) the average # of mitochondria in muscle cells is double the average # in bone cells
d) the average # of mitochondria in muscle cells equals the average # in bone cells

1. according to graph 1,

a) there are 12 more mitochondria than ribosomes in a muscle cell
b) there are four more mitochondria than ribosomes in a muscle cell
c) there are 780 fewer mitochondria than ribosomes in a muscle cell
d) there are 580 fewer mitochondria than ribosomes in a muscle cell

1. accurate analysis of the data in graph 1 shows

a) bone cells average 14 mitochondria per cell
b) nerve cells have no vesicles
c) muscle cells boast the highest average number of mitochondria and ribosomes
d) as time increases, the number of organelles decreases

1. graph 1 illustrates the

a) the average percent of mitochondria and ribosomes in muscle, bone, and nerve cells
b) the average number of mitochondria and ribosomes in muscle, bone, and nerve cells
c) the average number of mitochondria and ribosomes in muscle, liver, and nerve cells
d) the average number of organelles in muscle, bone, and nerve cells

1. based on the data shown in graph 1, which of the following statements is most likely correct?

a) skin cells average eight lysosomes per cell
b) nerve cells and bone cells have the same pattern of organelle abundance
c) bone cells do not need mitochondria
d) muscle cells demand the greatest need for restored atp in the mitochondria
information presented in graph 1 is for analysis purposes only. it is not quantitatively factual.

Explanation:

Step1: Identify data from graph

Average mitochondria per cell: Nerve - 13, Muscle - 20, Bone - 10. Average ribosomes per cell (×100): Nerve - 6, Muscle - 18, Bone - 8.

Step2: Solve question 1

Percent increase of mitochondria in muscle compared to bone: $\frac{20 - 10}{10}\times100\%=100\%$, so muscle mitochondria is double bone mitochondria. Option c is correct.

Step3: Solve question 2

Number of mitochondria in muscle cell = 20, number of ribosomes in muscle cell = 1800. Difference = 1800 - 20=1780. There are 1780 more ribosomes than mitochondria. But if we assume a wrong - reading and consider ribosomes as 18 and mitochondria as 20, there are 2 fewer mitochondria. However, if we consider the correct scale, there are 1780 more ribosomes. But among the given options, if we assume some mis - understanding of the scale in the options, we note that ribosomes are much more. Option c is closest as it says 780 fewer mitochondria than ribosomes (though the actual difference is larger).

Step4: Solve question 3

From the graph, muscle cells have the highest average number of mitochondria (20) and ribosomes (1800). Option c is correct.

Step5: Solve question 4

The graph shows the average number of mitochondria and ribosomes in muscle, bone and nerve cells. Option c is correct.

Step6: Solve question 5

Muscle cells require a lot of energy, so they demand the greatest need for restored ATP in the mitochondria. Option d is correct.

Answer:

1. c) The average # of mitochondria in muscle cells is double the average # in bone cells
2. c) There are 780 fewer mitochondria than ribosomes in a muscle cell
3. c) Muscle cells boast the highest average number of mitochondria and ribosomes
4. c) The average number of mitochondria and ribosomes in muscle, bone, and nerve cells
5. d) Muscle cells demand the greatest need for restored ATP in the mitochondria