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Name 3 features of a prokaryote cell that are not common of a eukaryote cell

no membrane bound organellesflagellumplasmids
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Answered by Jamie S. • Biology tutor
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Describe the structure of a cell wall of a xylem vessesl?

It is made of of a molecule known as cellulose. bundles of cellulose known as microfibrils are held together by hydrogen bonds and are arranged in layers in a cris-crosss/ mesh pattern. The layers are held t...
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Answered by Nikeel C. • Biology tutor
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How is the electrical activity of a heartbeat coordinated?

The heart is a muscle made up of myocytes, which can contract without any innervation or coordination. However, it is important that the heart contraction is controlled and regulated in a way which can respo...
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Answered by Naomi S. • Biology tutor
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Explain, with a digram, the difference between meiosis and mitosis

Meiosis produces 4 daughter cells from the original parent cell. These cells are haploid cells- they have half the number of chromosomes that the parent cell, and the process creates gametes for sexual repro...
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Answered by Heather T. • Biology tutor
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What is crossing-over?

In prophase I of meiosis, homologous, non-sister chromatids form connections called chiasmata at matching loci. The complex then splits to give chromatids with different combinations of genes than were prese...
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Answered by Emma S. • Biology tutor
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