Biology research paper topics

What is the role DNA polymerases plan in maintaining the integrity of genetic information?

Biology research paper topics

Know that cells may be specialised to carry out a particular function e.

Example of a Research Paper

You need to be able to describe the structure and function of these six cell types. An introduction to cell specialisation gcse biology revision notes 1.

Most types of animal cell differentiate at an early stage and then lose the ability to differentiate, whereas many types of plant cells retain the ability to differentiate throughout life. In mature animals, cell division is mainly restricted to repair and replacement.

As a cell differentiates it acquires different sub-cellular structures to enable it to carry out a certain function. It has become a specialised cell.

Biology Paper Topics

Know and understand that an electron microscope has much higher magnification and resolving power than a light microscope. This means that it can be used to study cells in much finer detail.

This has enabled biologists to see and understand many more sub-cellular structures.

Biology research paper topics

You should appreciate the differences in magnification and resolution between a light microscope and an electron microscope. Be able to explain how electron microscopy has increased understanding of subcellular structures.

Be able to use prefixes centimillimicro and nano expressing answers in standard form and carry out calculations involving magnification, real size and image size using the formula: With electron microscopes, using a beam of electrons instead of a beam of light, you gain a much higher resolution seeing much smaller objects e.

Bacteria can be grown in a nutrient broth solution or as colonies on an agar gel plate. Uncontaminated cultures of microorganisms are required for investigating the action of disinfectants and antibiotics. You should be able to describe how to prepare an uncontaminated culture using aseptic technique Petri dishes and culture media must be sterilised before use to kill unwanted microorganisms inoculating loops used to transfer microorganisms to the media must be sterilised by passing them through a flame the lid of the Petri dish should be secured with adhesive tape to prevent microorganisms from the air contaminating the culture, and stored upside down to stop condensation drops falling onto the agar surface.

You are measuring the area of bacterial growth or the inhibition of bacterial growth due to the effect of an antibiotic or antiseptic. Be able to interpret the results of the petri dish experiments e.

Be able to calculate the number of bacteria in a population after a certain time if given the mean division time. HT only You should be able to express the answer in standard form.

Revise the investigation into the effect of antiseptics or antibiotics on bacterial growth using agar plates and measuring zones of inhibition.

Each chromosome carries a large number of genes. In body cells the chromosomes are normally found in pairs.

Be able to use models and analogies to develop explanations of how cells divide. One of these stages is mitosis where the DNA, which has already been copied, divides.

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Biology research paper topics

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An Extensive List Of Biology Topics For Your Research Paper