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What is the difference between DNA, mRNA and tRNA? and why are they different?

DNA, tRNA and mRNA are all essential macromolecular biological molecules involved in genetics and protein production. The two major categories of genetic molecules are DNA and RNA, with both tRNA and mRNA be...
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Answered by Tristan V. • Biology tutor
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Suggest advantages of asexual reproduction and explain advantages and sexual reproduction

Suggest advantages of asexual: Many offspring produced Genetically identical offspring produced Colonisation of a local area Explain advantages of sexual: Genetic variation --> better adapted offspring (n...
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Answered by Kerron S. • Biology tutor
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What are the main components of an animal cell? What are their functions?

Cell membrane - semi-permeable barrier, allowing some substances in but not otherscytoplasm - material in the cell which contains dissolved salts, minerals and organelles. mitochondria - Where respiration ta...
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Answered by Emily D. • Biology tutor
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How do cell membranes form and what is their structure

The cell membrane consists of a phospholipid bilayer. Phospholipids are molecules with a hydrophilic (water loving) tail. And a hydrophobic ( water repelling) tail. The cell environment contains a high propo...
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Answered by Emily D. • Biology tutor
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List the structures of the nephron in kidneys and which parts of the nephron differ in permeability to water?

The bowman's capsule, Proximal convoluted tuble, loop of Henle (descending and ascending lims), distal convolued tubule and the collecting duct. The descending limb is permeable to water. The ascending limb ...
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Answered by Tahmid I. • Biology tutor
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