Describe stem cells as unspecialised cells that divide by mitosis to produce daughter cells that can become specialised for specific functions
Questions and Answers
Outline 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
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
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
Describe 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
Describe 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
Understand 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
Investigate gravitropism and phototropism in shoots and roots
Investigate gravitropism and phototropism in shoots and roots
Explain the role of auxin in controlling shoot growth, limited to: (a) auxin is made in the shoot tip (b) auxin spreads through the plant from the shoot tip (c) auxin is unequally distributed in response to light and gravity (d) auxin stimulates cell elongation
Explain the role of auxin in controlling shoot growth, limited to: (a) auxin is made in the shoot tip (b) auxin spreads through the plant from the shoot tip (c) auxin is unequally distributed in response to light and gravity (d) auxin stimulates cell elongation
Describe phototropism as a response in which parts of a plant grow towards or away from light
Describe phototropism as a response in which parts of a plant grow towards or away from light
Describe gravitropism as a response in which parts of a plant grow towards or away from gravity
Describe gravitropism as a response in which parts of a plant grow towards or away from gravity