10 Questions
What are telomeres?
Thread-like structures in a cell's nucleus visible only during cell division
What dictates growth in plants?
Continuous generation of new cells
What is the characteristic of chromosome number in somatic cells of a species?
It is consistent for every somatic cell in an organism of a given species
How many chromosomes does Olea europea have per cell?
46 chromosomes (23 pairs per cell)
What is the role of meiosis in the cell cycle?
To produce gametes with half the chromosome number
What are telomeres?
Thread-like structures in a cell's nucleus visible only during cell division
What is the function of telomeres?
To protect the ends of chromosomes from deterioration
What is the characteristic of somatic cells in terms of chromosome number?
They contain a characteristic number of chromosomes for a given species
How many chromosomes does Olea europea have per cell?
46 chromosomes (23 pairs per cell)
What dictates growth in plants?
Continuous generation of new cells
Study Notes
Cellular Reproduction
- Telomeres are repetitive DNA sequences (
TTAGGGin humans) that protect the ends of chromosomes from deterioration or fusion with neighboring chromosomes.
Plant Growth
- Hormones, particularly auxins, dictate growth in plants.
Chromosome Number
- In somatic cells of a species, the characteristic chromosome number is diploid (2n), meaning two sets of chromosomes, one inherited from each parent.
Olea Europaea (Olive Tree)
- Olea europaea, the olive tree, has 46 chromosomes per cell.
Meiosis
- Meiosis is a type of cell division that reduces the number of chromosomes by half, producing four non-identical daughter cells, each with a unique combination of genetic traits.
- The role of meiosis in the cell cycle is to produce gametes (sperm or egg cells) for sexual reproduction.
Telomeres and Their Function
- Telomeres function as a protective cap, preventing the loss of genetic information during DNA replication and protecting the chromosome from degradation.
Test your knowledge of the plant cell cycle with this quiz. Explore the events of the cell cycle in plants, compare and contrast mitosis and meiosis, and understand the significance of growth and cell division in plant cells. Ideal for students of biology and related fields.
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