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Questions and Answers
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
- S phase (correct)
- G2 phase
- G1 phase
- M phase
What is the result of cell division by mitosis?
What is the result of cell division by mitosis?
- Genetically different cells
- Cells with double the number of chromosomes
- Cells with half the number of chromosomes
- Genetically identical cells (correct)
Which stage of mitosis involves the condensation and attachment of chromosomes to spindle fibers?
Which stage of mitosis involves the condensation and attachment of chromosomes to spindle fibers?
- Metaphase
- Prometaphase
- Prophase (correct)
- Anaphase
What is the purpose of cytokinesis in the cell cycle?
What is the purpose of cytokinesis in the cell cycle?
Which stage is specific to plant cells in mitosis?
Which stage is specific to plant cells in mitosis?
In a haplontic life cycle, what is the ploidy of the multicellular stage?
In a haplontic life cycle, what is the ploidy of the multicellular stage?
What type of life cycle involves multicellular diploid stages and the formation of haploid gametes?
What type of life cycle involves multicellular diploid stages and the formation of haploid gametes?
What term is used for the life cycle in plants and many algae that involves two multicellular stages?
What term is used for the life cycle in plants and many algae that involves two multicellular stages?
What process must occur to return from a diploid stage to a haploid stage in life cycles involving sexual reproduction?
What process must occur to return from a diploid stage to a haploid stage in life cycles involving sexual reproduction?
What is the term used for the process involving growth, asexual reproduction, or sexual reproduction during transitions of form in a biological life cycle?
What is the term used for the process involving growth, asexual reproduction, or sexual reproduction during transitions of form in a biological life cycle?
Who first used the term 'molecular biology' in 1945?
Who first used the term 'molecular biology' in 1945?
Which group of scientists created the double helix model of DNA in 1953?
Which group of scientists created the double helix model of DNA in 1953?
What is the primary focus of molecular biology?
What is the primary focus of molecular biology?
Which field covers techniques used to learn about molecular processes for targeting new drugs and diagnosing diseases?
Which field covers techniques used to learn about molecular processes for targeting new drugs and diagnosing diseases?
What did the discovery of the double helix model of DNA lead to?
What did the discovery of the double helix model of DNA lead to?
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