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What is the structure and function of the chloroplast?

Function: The chloroplast is a plant organelle that conducts photosynthesis . The photosynthetic pigment chlorophyll captures energy from sunlight and converts it to the energy-storage molecules ATP and NADP...
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Answered by Anya L. • Biology tutor
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Describe the processes that occur during the first division of meiosis.(6 marks)

The first division of meiosis consists of the stages, interphase, prophase, metaphase, anaphase and telophase. During interphase, growth of the cell and more importantly, DNA replication occurs. After DNA re...
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Answered by Orla F. • Biology tutor
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Describe the process of DNA transcription

DNA is contained in the nucleus of a cell, and is in double-helix form with a sense strand and complimentary anti-sense strand. The two strands have bases hydrogen-bonded to each other with sugar phosphate b...
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Answered by Helena M. • Biology tutor
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Giving an overview of the two different processes, compare and contrast the processes of spermatogenesis and oogenesis.

In spermatogenesis, germline epithelium in the seminiferous tubules of the testes divides by mitosis and then a period of cell growth occurs, changing them from spermatogonia to primary spermatocytes. These ...
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Answered by Eashan P. • Biology tutor
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Explain the process of DNA replication, including the names of vital enzymes

DNA replication is used to copy DNA. This process is semi-conservative, meaning the new double helix contains both a parent and a new strand. The process begins during S phase, where helicase unwinds the DNA...
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Answered by Farrah V. • Biology tutor
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