The Cell Practice Exercise 5

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part B were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled B in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part Z were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled Z in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part Z were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled Z in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part Z were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled Z in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

In a lab, cells with damaged part Z were examined. The organelles were not in the right places, and chemical reactions were very slow. Name the part labeled Z in the diagram below and explain how its damage led to poor organelle positioning and slower chemical reactions. (2 marks)

Compare the location of the nucleus in both cells as illustrated in the diagram below. What causes the nucleus in the plant cell to be pushed to the side? (2 marks)

Compare the location of the nucleus in both cells as illustrated in the diagram below. What causes the nucleus in the plant cell to be pushed to the side? (2 marks)

Compare the location of the nucleus in both cells as illustrated in the diagram below. What causes the nucleus in the plant cell to be pushed to the side? (2 marks)

Compare the location of the nucleus in both cells as illustrated in the diagram below. What causes the nucleus in the plant cell to be pushed to the side? (2 marks)

Compare the location of the nucleus in both cells as illustrated in the diagram below. What causes the nucleus in the plant cell to be pushed to the side? (2 marks)

Students at Gakuyo Primary School were presented with a diagram of an animal cell. Their teacher asked them to identify the part labeled A and to describe its function. What would be the correct responses to these questions? (1 mark)

Students at Gakuyo Primary School were presented with a diagram of an animal cell. Their teacher asked them to identify the part labeled A and to describe its function. What would be the correct responses to these questions? (1 mark)

Students at Gakuyo Primary School were presented with a diagram of an animal cell. Their teacher asked them to identify the part labeled A and to describe its function. What would be the correct responses to these questions? (2 marks)

Students at Gakuyo Primary School were presented with a diagram of an animal cell. Their teacher asked them to identify the part labeled K and to describe its function. What would be the correct responses to these questions? (2 marks)

Students at Gakuyo Primary School were presented with a diagram of an animal cell. Their teacher asked them to identify the part labeled K and to describe its function. What would be the correct responses to these questions? (2 marks)

During a science investigation, a student identifies the nucleus and vacuole in a plant cell but cannot locate the chloroplasts. Explain two reasons why chloroplasts might not be visible in their sample, and what type of plant material they should use instead.  (3 marks)

During a science investigation, a student identifies the nucleus and vacuole in a plant cell but cannot locate the chloroplasts. Explain two reasons why chloroplasts might not be visible in their sample, and what type of plant material they should use instead.  (3 marks)

During a science investigation, a student identifies the nucleus and vacuole in a plant cell but cannot locate the chloroplasts. Explain two reasons why chloroplasts might not be visible in their sample, and what type of plant material they should use instead.  (3 marks)

Both plant and animal cells were placed under a microscope slide. A learner says they look different but also have common features inside. Name two internal parts that both cells share and explain their importance. (2 marks)

During a science practical, three students used different microscope settings to observe similar cell samples. Student A used a ×10 eyepiece and ×40 objective. Student B used a ×15 eyepiece and ×10 objective. Student C used a ×10 eyepiece and ×100 objective. Their teacher asked: "Who observed the finest details and why?. Explain your answer using calculations and reasoning.  (4 marks)

During a science practical, three students used different microscope settings to observe similar cell samples. Student A used a ×10 eyepiece and ×40 objective. Student B used a ×15 eyepiece and ×10 objective. Student C used a ×10 eyepiece and ×100 objective. Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning.  (4 marks)

During a science practical, three students used different microscope settings to observe similar cell samples. Student A used a ×10 eyepiece and ×40 objective. Student B used a ×15 eyepiece and ×10 objective. Student C used a ×10 eyepiece and ×100 objective. Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning.  (4 marks)

During a science practical, three students used different microscope settings to observe similar cell samples. Student A used a ×10 eyepiece and ×40 objective. Student B used a ×15 eyepiece and ×10 objective. Student C used a ×10 eyepiece and ×100 objective. Their teacher asked: "Who observed the finest details and why?". Explain your answer using calculations and reasoning.  (4 marks)

Why are red blood cells important in the body of a goat?

Why are red blood cells important in the body of a goat? (1 mark)

Why are red blood cells important in the body of a goat? (1 mark)

While studying, Linet learns that the human body stays at a constant temperature even when it's cold outside. What role do cells play in this?

While studying, Linet learns that the human body stays at a constant temperature even when it's cold outside. What role do cells play in this? (1 mark)

While studying, Linet learns that the human body stays at a constant temperature even when it's cold outside. What role do cells play in this? (1 mark)

While studying, Linet learns that the human body stays at a constant temperature even when it's cold outside. What role do cells play in this? (1 mark)

While reviewing your science notes, you're asked to explain which part of the cell allows selective movement of substances in and out. Which part should you describe?

During a biology experiment, you are given two cells with similar outer layers, but one consistently produces and uses more energy. Which internal structure is most responsible for this difference, and why?   (1 mark)

During a biology experiment, you are given two cells with similar outer layers, but one consistently produces and uses more energy. Which internal structure is most responsible for this difference, and why?   (1 mark)

During a biology experiment, you are given two cells with similar outer layers, but one consistently produces and uses more energy. Which internal structure is most responsible for this difference, and why?   (1 mark)

Look at the microscope below. The image appears dim. What should be adjusted?

Look at the microscope below. The image appears dim. What should be adjusted?

Look at the microscope below. The image appears dim. What should be adjusted?

Look at the microscope below. The image appears dim. What should be adjusted?   (1mark)  

Look at the microscope below. The image appears dim. What should be adjusted?   (1mark)  

Look at the microscope below. The image appears dim. What should be adjusted?   (1mark)  

What part of the light microscope below should be adjusted if the image appears dim?   (1mark)  

The image below shows a microscope setup in Machakos lab with an eye-piece lens labeled ×12 and an objective lens labeled ×10. What is the total magnification?

In a Machakos lab, students used a microscope with an eye-piece lens labeled ×12 and an objective lens labeled ×10 to magnify an onion cell. What is the total magnification?  (1 mark)

In a Machakos lab, students used a microscope with an eye-piece lens labeled ×12 and an objective lens labeled ×10 to magnify an onion cell. What is the total magnification?  (1 mark)

In a Machakos lab, students used a microscope with an eye-piece lens labeled ×12 and an objective lens labeled ×10 to magnify an onion cell. What is the total magnification?  (1 mark)

Ali planted a bean seed. A few days later, small roots started growing. How did cells help in this process?

Kilonzo planted a bean seed. A few days later, small roots started growing. How did cells help in this process? (1 mark)

Kilonzo planted a bean seed. A few days later, small roots started growing. How did cells help in this process? (1 mark)

A student observed onion epidermal cells under a light microscope using ×10 eyepiece lens and ×10 objective lens. She could only see the outline of the cells faintly. Her teacher advised her to adjust the objective lens. After changing it, she could clearly see the nucleus and cell wall. Which of the following most likely describes the change she made?

A student observed onion epidermal cells under a light microscope using ×10 eyepiece lens and ×10 objective lens. She could only see the outline of the cells faintly. Her teacher advised her to adjust the objective lens. After changing it, she could clearly see the nucleus and cell wall. Which of the following most likely describes the change she made?  (1 mark)

A student observed onion epidermal cells under a light microscope using ×10 eyepiece lens and ×10 objective lens. She could only see the outline of the cells faintly. Her teacher advised her to adjust the objective lens. After changing it, she could clearly see the nucleus and cell wall. Which of the following most likely describes the change she made?  (1 mark)

A student observed onion epidermal cells under a light microscope using ×10 eyepiece lens and ×10 objective lens. She could only see the outline of the cells faintly. Her teacher advised her to adjust the objective lens. After changing it, she could clearly see the nucleus and cell wall. Which of the following most likely describes the change she made?  (1 mark)

A learner is asked to identify a plant cell using three visible features. Which combination is correct?]]>

A learner is asked to identify a plant cell using three visible features. Which combination is correct? (1 mark)

A learner is asked to identify a plant cell using three visible features. Which combination is correct? (1 mark)

A learner is asked to identify a plant cell using three visible features. Which combination is correct? (1 mark)

While looking through a microscope, Moraa saw two cells: one from a plant and one from an animal. Both had a nucleus and a jelly-like substance. What is the jelly-like part called, and what is its function?

While looking through a microscope, Moraa saw two cells: one from a plant and one from an animal. Both had a nucleus and a jelly-like substance. What is the jelly-like part called, and what is its function? (1 mark)

While looking through a microscope, Moraa saw two cells: one from a plant and one from an animal. Both had a nucleus and a jelly-like substance. What is the jelly-like part called, and what is its function? (1 mark)

While looking through a microscope, Moraa saw two cells: one from a plant and one from an animal. Both had a nucleus and a jelly-like substance. What is the jelly-like part called, and what is its function? (1 mark)