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Solat liked 9 hours ago
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The Blog

Christmas Giveaway!

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Terms and Conditions

  1. The winner is chosen based on the number of reputation points accumulated by the end of the competition. Reputation points are gained by involvement and participation (asking/answering questions, sharing notes, etc.) on
  2. To partake in the competition you must currently be a second-level student in Ireland.
  3. The competition will begin at 12:00am on the 25th Nov 2020.
  4. The winner will be chosen by based on reputation points at 12:00am on the 23rd Dec 2020.
  5. No cash alternative will be awarded in lieu of stated prize(s).
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Ellie liked 2 hours ago
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LC Biology

DNA & RNA Summary

Heredity: Is the passing on of features from parents to offspring by means of genes.

Gene: Is a section of DNA that causes the production of a protein.

Gene expression: Is the way in which the genetic information in a gene is decoded in the cell and used to make protein.

Characteristics: Are traits or features that are inherited genetically.

Structure of DNA

DNA stands for deoxyribonucleic acid. DNA is a double stranded molecule made up of elongated chains of sub-units called nucleotides. DNA contains four chemicals called base pairs which are:

-Adenine (A)

-Thymine (T)

-Guanine (G)

-Cytosine (C)... (More)

Ellie liked 2 hours ago

The medulla oblongata helps transfer messages to the spinal cord and the thalamus, which is in the brain, from the body. The main function of the thalamus is to process information to and from the spinal cord and the cerebellum.  It helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing. This part of the brain is a center for respiration and circulation. Sensory and motor neurons (nerve cells) from the forebrain and midbrain travel through the medulla.

Ellie liked 2 hours ago
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LC Biology

All Biology Definitions for Leaving Cert

The Scientific Method

  • Scientific Method is a process of investigation where problems are identified and their explanations are tested by carrying out experiments.
  • Observation : An unbiased, accurate report of an event.
  • Hypothesis : An educated guess based on observations.
  • Experiment : An experiment is designed to test a hypothesis.
  • Data : Consists of measurements, observations/information gathered during an experiment.
  • Replicate : A repeat of an experiment.
  • Control : A comparison used to provide a standard against which the actual experiment can be judged.
  • Theory : A hypothesis that has been supported by different experiments.
  • Principle/Law : A theory that... (More)