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IB DP Biology: Cell biology Flashcards | StudBud

Explore/IB DP Biology: Cell biology

IB DP Biology: Cell biology

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Aligned to the IB Diploma Programme. Suitable for ages 16-19. Test your knowledge on Cell Biology. #IB #Biology #science

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Questions 7

Answers

1
Which cell transport method is an example of active transport?
the pumping of sodium and potassium across the membrane in a neuron
the movement of oxygen in alveoli
the movement of water in roots
the movement of carbon dioxide in capillaries
2
A red blood cell was placed in pure water. What would you observe under a microscope?
The red blood cell would swell.
The red blood cell would not change shape.
The red blood cell would become shrivelled.
The red blood cell would swell and rupture.
3
Cyclin concentrations vary during the cell cycle. Which of the following statements is correct?
Cyclin D affects all four phases.
Cyclin B triggers interphase.
Cyclin E has no effect on mitosis.
Cyclin E peaks after A cyclin.
4
What is essential for simple diffusion?
a concentration gradient
a selectively permeable membrane
a protein
a source of energy
5
True or False? The smooth endoplasmic reticulum is responsible for the synthesis and storage of lipids.
True
False
6
If the DNA of a cell is damaged, so that the cell continues to divide uncontrollably. What is the most likely result?
Cancer
AIDS
Tumour formation
Brain tumour
7
Which of the following statements is true about cytokinesis?
Both plant cells and animal cells involve the formation of a cell plate.
Neither plant cells nor animal cells involve the formation of a cell plate.
It involves the formation of a cell plate in plant cells only.
It involves the formation of a cell plate in animal cells.