Zadanie 1b
Compare and contrast cytoplasmic ribosomes in a liver cell with those in a bacterium.
Organization of a eukaryotic cell
Identify the nucleus, membrane compartments, ribosomes and cytoskeleton and relate them to cellular organization.
Tę umiejętność sprawdza 18 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 18 Otwórz w wyszukiwarce z filtrami
Zadanie 1b
A root-tip cell contains a nucleus. Draw and label the structure of a typical eukaryotic nucleus.
Zadanie 3b
The diagram is a simplified model of a nerve cell communicating with a muscle fibre. List two structures present in this neuron and also in a typical bacterium.
- Materiał graficzny
Zadanie 3a
A simplified cell diagram highlights two membrane compartments. State a function of X and a function of Y.
- Materiał graficzny
Zadanie 3c
A typical bacterium is compared with a typical animal cell. Outline one structural difference between them.
Zadanie 9
Which structure is present in both a typical bacterium and a typical animal cell? A. A chloroplast B. A membrane-bound nucleus C. A cellulose wall D. Ribosomes
Zadanie 1b
Compare and contrast their cellular components.
Zadanie 3b
State whether this fungus is prokaryotic or eukaryotic, with a reason.
- Materiał graficzny
Zadanie 2a
State two membrane-bound organelles found in both typical plant and animal cells.
Zadanie 3c
Distinguish the main chromosome of a bacterium such as Escherichia coli from nuclear chromosomes of a typical eukaryote.
- Materiał graficzny
Zadanie 1
A eukaryotic cell contains a nucleus next to its rough endoplasmic reticulum. Which description applies to the nucleus? A. DNA associated with proteins is enclosed by two membranes B. Cristae surround the cell’s principal site of ATP production C. Stacked…
Zadanie 2
Which structure is present in a typical nucleated animal cell? A. A starch-storing amyloplast B. A mitochondrion C. A peptidoglycan cell wall D. A large central sap vacuole
Zadanie 5
Compare a bacterial cell with a typical animal cell. Which contrast is valid? A. Only the bacterium has ribosomes B. Only the animal cell contains hereditary DNA C. Both must have a cellulose cell wall D. The animal cell has membrane-bound internal…
Zadanie 2
Which feature is characteristic of eukaryotic organization compared with a typical bacterial cell? A. A plasma membrane surrounding cytoplasm B. Ribosomes used to make proteins C. Membrane-bound internal compartments such as a nucleus D. DNA containing the…
Zadanie 2a
A gland cell secretes a protein into a duct. Its main organelles are shown. Explain how three of the visible organelles support this function.
- Materiał graficzny
Zadanie 2
Which component of a typical animal cell is absent from a bacterial cell? A. Cytoplasmic ribosomes B. A plasma membrane C. Mitochondria D. Genetic material made of DNA
Zadanie 7
(a) Describe organelles and other structures of animal cells as they can appear in electron micrographs. (b) Explain how animal cells supply their ATP requirements.
Zadanie 1
A cell has chloroplasts, a nucleus and cytoplasmic 80S ribosomes. Which source is consistent with these observations? A. A fungal hypha B. A cyanobacterial filament C. A green leaf of a fern D. A mammalian nerve