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Biology
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What is hydrogen bonding?

Hydrogen bonding is a type of chemical interaction, or bond, that occurs between certain types of molecules. Hydrogen bonding relies on a chemical concept known as polarity. Just as the n...

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Answered by Anya L. Biology tutor
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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 con...

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...

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 phosphat...

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. The...

Answered by Eashan P. Biology tutor
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