What is true about non-replicative transposons? (can pick more than one)

1- Can physically leave a sequence and “hop” to another sequence

2- Can result in disrupting a gene

3- Can be present on plasmids

4- Can carry antibiotic resistant genes

5- Can be made made of glycoproteins What are the different types of age pyramids based on shape? Illustrate and describe each – What is the importance of age pyramid? A population may pass through changes in age structure without changing in size. Do you agree or disagree? Justify -List down and describe the factors that influence age structure of a population In humans, what are age range of the pre-reproductive, reproductive and post-reproductive groups? What is the significance or contribution of each age group in the population?

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