Explain that cancers form as a result of uncontrolled cell division
Explain that cancers form as a result of uncontrolled cell division
1 Answer
Questions and Answers For
O Level Biology
234 Questions
1 AnswerDescribe meiosis as a reduction division in which the chromosome number is halved from diploid to haploid resulting in genetically different cells (details of stages are not required)
Describe meiosis as a reduction division in which the chromosome number is halved from diploid to haploid resulting in genetically different cells (details of stages are not required)
1 AnswerState that meiosis is involved in the production of gametes
State that meiosis is involved in the production of gametes
1 AnswerDescribe stem cells as unspecialised cells that divide by mitosis to produce daughter cells that can become specialised for specific functions
Describe stem cells as unspecialised cells that divide by mitosis to produce daughter cells that can become specialised for specific functions
1 AnswerOutline the role of mitosis in growth, repair of damaged tissues, replacement of dying cells and asexual reproduction
Outline the role of mitosis in growth, repair of damaged tissues, replacement of dying cells and asexual reproduction
1 AnswerState that in a diploid cell there is a pair of each type of chromosome and in a human diploid cell there are 23 pairs
State that in a diploid cell there is a pair of each type of chromosome and in a human diploid cell there are 23 pairs
1 AnswerDescribe a diploid nucleus as a nucleus containing two sets of chromosomesDescribe a diploid nucleus as a nucleus containing two sets of chromosomes
Describe a diploid nucleus as a nucleus containing two sets of chromosomes
1 AnswerDescribe a haploid nucleus as a nucleus containing a single set of chromosomes
Describe a haploid nucleus as a nucleus containing a single set of chromosomes
1 AnswerUnderstand that chromosomes contain DNA, which carries genetic information in the form of genes
Understand that chromosomes contain DNA, which carries genetic information in the form of genes
1 AnswerInvestigate gravitropism and phototropism in shoots and roots
Investigate gravitropism and phototropism in shoots and roots
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