Podcast
Questions and Answers
What is the most remarkable aspect of cell division?
What is the most remarkable aspect of cell division?
- The coiling of chromatin to form distinct chromosomes
- The presence of 20,000-25,000 genes in a single DNA molecule
- The characteristic number of chromosomes in each cell's nucleus
- The distribution of identical genetic material to two daughter cells (correct)
What is the main gene-carrying structure of a prokaryotic cell?
What is the main gene-carrying structure of a prokaryotic cell?
- Chromatin
- Chromosomes
- Threadlike gene-carrying structure
- Diffused mass of long thin fibers (correct)
What is the endowment of DNA in a cell referred to as?
What is the endowment of DNA in a cell referred to as?
- Chromatin
- Sister chromatids
- Chromosomes
- Genome (correct)
What happens to chromatin as the cell prepares to divide?
What happens to chromatin as the cell prepares to divide?
What is the term for the duplicated form of each chromosome consisting of two copies?
What is the term for the duplicated form of each chromosome consisting of two copies?
How long is the DNA molecule in a human cell?
How long is the DNA molecule in a human cell?
What is the correct order of events during the first portion of the mitotic phase?
What is the correct order of events during the first portion of the mitotic phase?
How many chromatids are produced when a human cell has 46 duplicated chromosomes?
How many chromatids are produced when a human cell has 46 duplicated chromosomes?
In which stage of mitosis do liberated chromosomes begin moving to the opposite ends?
In which stage of mitosis do liberated chromosomes begin moving to the opposite ends?
In human somatic cells, how many chromosomes are present?
In human somatic cells, how many chromosomes are present?
During which phase does the nuclear envelope reappear and chromosomes become less condensed?
During which phase does the nuclear envelope reappear and chromosomes become less condensed?
What is the purpose of meiosis in sex cells or gametes?
What is the purpose of meiosis in sex cells or gametes?
What occurs during cytokinesis in animal cells?
What occurs during cytokinesis in animal cells?
What is characteristic of the second portion of the mitotic phase known as cytokinesis?
What is characteristic of the second portion of the mitotic phase known as cytokinesis?
What occurs during prometaphase in mitosis?
What occurs during prometaphase in mitosis?
What is a characteristic of sex cells or gametes in humans?
What is a characteristic of sex cells or gametes in humans?
What is the significance of the characteristic number of chromosomes in eukaryotic species?
What is the significance of the characteristic number of chromosomes in eukaryotic species?
What is the main function of chromatin in a eukaryotic cell?
What is the main function of chromatin in a eukaryotic cell?
What distinguishes the chromosomes of a eukaryotic cell from those of a prokaryotic cell?
What distinguishes the chromosomes of a eukaryotic cell from those of a prokaryotic cell?
How does the coiling up of chromatin during cell division contribute to the process?
How does the coiling up of chromatin during cell division contribute to the process?
What is the primary reason for the duplication of chromosomes before cell division in eukaryotic cells?
What is the primary reason for the duplication of chromosomes before cell division in eukaryotic cells?
What is the effect of having 20,000-25,000 genes in a single DNA molecule in human cells?
What is the effect of having 20,000-25,000 genes in a single DNA molecule in human cells?
What is the term for the process in which the sister chromatids of a duplicated chromosome separate from each other?
What is the term for the process in which the sister chromatids of a duplicated chromosome separate from each other?
How many chromosomes are present in human somatic cells?
How many chromosomes are present in human somatic cells?
What is characteristic of the second portion of the mitotic phase known as cytokinesis?
What is characteristic of the second portion of the mitotic phase known as cytokinesis?
What occurs during prometaphase in mitosis?
What occurs during prometaphase in mitosis?
What is characteristic of sex cells or gametes in humans?
What is characteristic of sex cells or gametes in humans?
In which stage of mitosis do liberated chromosomes begin moving to the opposite ends?
In which stage of mitosis do liberated chromosomes begin moving to the opposite ends?
What is the term for the duplicated form of each chromosome consisting of two copies?
What is the term for the duplicated form of each chromosome consisting of two copies?
What occurs during cytokinesis in animal cells?
What occurs during cytokinesis in animal cells?
