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Bella S2 DIM
DNA, Inheritance and Microbiology
| Question | Answer |
|---|---|
| What is a Microbe | "A microscopic single celled organism" |
| Name the three main types of Microbe | "Bacteria, fungi, virus |
| Which of the three main types of Microbe is the smallest? | Viruses |
| Give an example of a Virus | "Ebola, corona, flu |
| Which type of the main types of Microbe is affected by Antibiotics | Bacteria |
| What does Sensitive to antibiotics mean? | Killed by them |
| What does Resistant to antibiotics mean | Not Killed by them |
| Give an example of a Fungus | Yeast |
| In what processes do human use Yeast | Baking OR Brewing |
| What do yeast use as a food | Sugar |
| What gas does Yeast produce during Baking or Brewing | Carbon dioxide |
| Why is gas production useful in Baking | Causes dough to rise |
| Other than a gas what else is produced by Yeast in Baking and what happens to it during baking | Alcohol which Evaporates |
| Name a harmful condition that arises from a Fungal infection | Atheletes Foot OR Thrush |
| Name a harmful Bacterium | Ecoli OR Salmonella or Plague |
| What 2 useful Dairy products are made using Bacteria | Yogurt and Cheese |
| What is the name of the Sugar in Milk | Lactose |
| What do bacteria convert milk sugar into | Lactic Acid |
| What do you call chemicals or medicine that kills Bacteria | Antibiotics |
| Name one of the Physical Barriers your body has to stop Microbes infecting you | Skin OR Tears OR Mucus & Cilia OR Stomach Acid |
| What do 'non-specific' blood cells kill | Any microbe |
| What do 'specific' blood cells kill | A particular microbe only |
| Name a 'non-specific' type of blood cell | Phagocyte |
| Name a 'specific' type of blood cell | Lymphocyte |
| What effect does lowering the temperature have on Microbes | Slows their Growth |
| What effect does temperatures of over 121 degrees Celcius have on Microbes | Kills them |
| What does 'innate' mean | Born with |
| What shape is DNA | Double helix |
| What base pairs with A | T |
| What base pairs with C | G |
| What is variation? | Differences in characteristics |
| Give an example of discrete variation | Eye colour, presence of freckles, hair colour, tongue rolling ability, petal colour |
| Give an example of continuous variation. | Size of .... |
| What is the name for a section of a chromosome that codes for a characteristic? | a Gene |
| Where within a cell would you find a chromosome | Nucleus |
| Name a situation where DNA profiling might be used? | Paternity tests, identification of crime scene DNA, testing individuals for genetic diseases, identification of unrecogniseable bodies or body parts. |
| How many pairs of chromosomes are in a human cell? | 23 pairs (=46) |
| Name a condition that arises from having an extra chromosome. | Down's syndrome |
| What is a gene? | A section of a chromosome that controls a characteristic. |
| What sex is some one with 2 X chromosomes? | Female |
| What sex is someone with an X and a Y chromosome? | Male |
| Give an example of an inherited genetic disorder | Colour blindness, Haemophilia, Cystic Fibrosis, Huntington's disease. |
Created by:
nscobie
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