| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.HL.TZ1.2 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | State | Question number | 2 | Adapted from | N/A |
Question
Which functions are carried out by all unicellular organisms?
Markscheme
B
Examiners report
N/A
Syllabus sections
Show 65 related questions
- 17N.3.HL.TZ0.02b.ii: Identify the type of cell labelled Z.
- 17N.3.HL.TZ0.02b.i: Calculate the actual size of the seminiferous tubule in the area indicated by the line across...
- 17M.2.HL.TZ2.3d: State what change there has been in the cell surface area to volume ratio in red blood cell 1.
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.SL.TZ2.3a: Outline the use of human embryonic stem cells (hESC) to treat Stargardt’s disease.
- 17M.2.SL.TZ1.2c: Discuss the advantages and disadvantages of the use of adult stem cells.
- 17M.2.SL.TZ1.2b.ii: State the function of life in Paramecium that is carried out by: the contractile vacuole.
- 17M.2.SL.TZ1.2b.i: State the function of life in Paramecium that is carried out by: cilia.
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ2.1: The giant alga Acetabularia has a feature that suggests it is an exception to the cell...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 16N.1.SL.TZ0.4: What provides evidence for the endosymbiotic theory? A. Mitochondrial DNA in eukaryotic...
- 16N.1.SL.TZ0.2: Which characteristic of stem cells makes them useful for treating Stargardt’s disease? A....
- 16N.1.SL.TZ0.1: Which feature of striated muscle cells allows them to be considered as a possible exception...
- 15M.1.SL.TZ1.3: A botanist measures a leaf and finds it is 24 cm long and 8 cm wide. His drawing of the leaf...
- 15M.1.SL.TZ1.2: Which functions of life are carried out by all unicellular organisms?A. Response,...
- 15M.1.SL.TZ2.3: Which sequence shows increasing relative size?
- 15M.1.SL.TZ2.5: Why do multicellular organisms have emergent properties?A. They have more genes than...
- 15M.2.SL.TZ2.2a: Outline the cell theory
- 15M.2.SL.TZ2.2b (ii): Calculate the magnification of the electron micrograph.
- 15M.2.HL.TZ2.3a: Outline the cell theory.
- 15M.2.HL.TZ2.3b (ii): Calculate the magnification of the electron micrograph.
- 15M.3.SL.TZ2.12b: Discuss the endosymbiotic theory for the origin of eukaryotes.
- 15M.1.HL.TZ2.1: What happens to the cell surface area to volume ratio as a cell grows? A. It decreases, so...
- 15M.3.HL.TZ1.2b: Outline the endosymbiotic theory.
- 15M.3.SL.TZ1.11a: The diagram shows some of the later stages in the origin of eukaryotic cells according to the...
- 15N.2.SL.TZ0.2a: Calculate the magnification of the bacterium.
- 15N.2.HL.TZ0.2a(i): Calculate the magnification of the image.
- 15N.3.SL.TZ0.12b: Discuss the evidence supporting the endosymbiotic theory for the origin of eukaryotes.
- 13M.1.HL.TZ1.3: The diatom Didymosphenia geminata is a species of single-celled alga that lives in warm,...
- 13M.1.HL.TZ1.2: Which functions of life are carried out by all unicellular organisms?
- 13M.1.HL.TZ2.2: What are stem cells? A. Specialized cells that can be used therapeuticallyB. Surplus cells...
- 13M.1.HL.TZ2.3: What causes cells to differentiate? A. Sufficient nutritionB. Full expression of all genesC....
- 13M.2.SL.TZ2.4b: Explain the importance of surface area to volume ratio as a limit to cell size.
- 13M.1.SL.TZ1.2: Which functions of life are carried out by all unicellular organisms?
- 13M.1.SL.TZ1.4: What happens to the surface area to volume ratio as a cell grows? A. It decreases. B. It...
- 13M.3.SL.TZ2.13c: Evaluate, using the data in the bar charts, the hypothesis that aging involves loss of brain...
- 13M.3.SL.TZ2.13a: State when the total volume of OB neurons is the greatest.
- 13M.3.SL.TZ2.13b: Compare the total synapse density of neurons in the outer and inner OB layers.
- 13M.3.SL.TZ2.13d: Suggest the implications of the data for humans.
- 11M.1.HL.TZ1.2: A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what...
- 11M.1.SL.TZ1.3: A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what...
- 11M.1.SL.TZ2.2: Which of the following characteristics found in a structure necessarily indicates that it is...
- 12M.2.HL.TZ1.6a: Describe the characteristics of stem cells that make them potentially useful in medicine.
- 12M.1.HL.TZ1.3: Which property makes stem cells suitable for therapeutic use? A. They can divide by meiosis...
- 12M.1.HL.TZ2.3: What is an example of the therapeutic use of stem cells? A. Sequencing the human genome B....
- 12M.1.HL.TZ2.2: How do cells in multicellular organisms differentiate? A. Some cell types divide by mitosis...
- 12M.1.SL.TZ2.2: How do cells in multicellular organisms differentiate? A. Some cell types divide by mitosis...
- 12M.1.SL.TZ1.2: Which property makes stem cells suitable for therapeutic use? A. They can divide by meiosis...
- 12M.2.SL.TZ1.6a: Describe the characteristics of stem cells that make them potentially useful in medicine.
- 12M.2.SL.TZ2.5b: Explain the importance of surface area to volume ratio as a factor limiting cell size.
- 09M.1.HL.TZ1.3: How does the surface area to volume ratio change with an increase in cell size?
- 09M.2.SL.TZ2.2a: State the property of stem cells that makes them useful in medical treatment.
- 09M.2.SL.TZ2.2b: Explain how multicellular organisms develop specialized tissues.
- 10M.2.HL.TZ2.2a (i): Calculate the power of magnification of the image.
- 10M.2.HL.TZ2.2c: Describe the importance of stem cells in differentiation.
- 10M.2.HL.TZ2.2a (ii): State the diameter of the pore labelled X.
- 10M.1.SL.TZ1.2: Which functions of life are found in unicellular organisms? A. growth, response and...
- 10M.1.SL.TZ1.3: Which statement is part of the cell theory? A. Cells are composed of organic molecules. B....
- 10M.1.SL.TZ2.2: In a cell, what is the effect of a large surface area to volume ratio? A. Slower rate of...
- 10M.1.SL.TZ2.3: How can cells in a multicellular organism differentiate? A. They express some of their genes...
- 09N.1.SL.TZ0.2: If a Sequoia sempervirens tree is 100 m tall and a drawing of it is 100 mm tall, what is the...
- 12N.1.HL.TZ0.2: What is proportional to a cell’s surface area? A. Rate of exchange of materialsB. Rate of...
- 12N.3.SL.TZ0.12b: Discuss the endosymbiotic theory for the origin of eukaryotes.
