No | Text |
1 | Pmg biology |
2 | Air pollution part 1: grade 9 understanding for ıgcse biology4.12 |
3 | Starch digestion: grade 9 understanding for ıgcse biology2.29 |
4 | Cell structure: grade 9 understanding for ıgcse biology 2.2 2.32.4 |
5 | The human alimentary canal: grade 9 understanding for ıgcse biology2.27 |
6 | Hormones: grade 9 understanding for ıgcse biology 2.942.95b |
7 | Comparing nervous and hormonal coordination: grade 9 understanding for ıgcse biology2.86 |
8 | Chromosomes and s***: grade 9 understanding for ıgcse biology3.263.27 |
9 | Protein synthesis (part 3): grade 9 understanding for ıgcse biology3.18b |
10 | Protein synthesis (part 2): grade 9 understanding for ıgcse biology3.18b |
11 | Rna: grade 9 understanding for ıgcse biology3.17b |
No | Text |
1 | What do all cells have in common? |
2 | Structures found only in plant cells |
3 | Differences between plant and animal cells |
No | Text |
1 | Sulphur dioxide |
2 | Digestion of carbohydrates |
3 | What is meant by complementary base pairing and why is it so important? |
4 | How does the ribosome ensure that the correct amino acids are joined together to make the protein during translation? |
5 | Why are codons three bases long? |
6 | Search pmgbiology |
7 | Follow me on twitter |
8 | Categories |
9 | Recent posts |
10 | Tags |
11 | Recent comments |
12 | Calendar of posts |
13 | Blog stats for pmgbiology |
14 | Paul gillam |
15 | Follow blog via email |
No | Text |
1 | What are the consequences of acid rain? |
2 | Paul gillam |
No | Text |
1 | sulphur dioxide. |
2 | Sulphur Dioxide |
3 | What are the consequences of acid rain? |
4 | Digestion |
5 | polymers |
6 | monomers |
7 | hydrolysis |
8 | digestive enzymes. |
9 | Why do different food types need different digestive enzymes to speed up their breakdown in the digestive system? |
10 | Digestion of Carbohydrates |
11 | carbohydrases |
12 | Starch |
13 | amylase |
14 | Amylase |
15 | salivary glands (2) |
16 | pancreas (2) |
17 | maltase |
18 | cells |
19 | unicellular |
20 | multicellular |
21 | What do all cells have in common? |
22 | cell membrane |
23 | cytoplasm |
24 | ribosomes |
25 | Prokaryote |
26 | eukaryote |
27 | nucleus |
28 | chromosomes |
29 | mitochondria |
30 | aerobic respiration |
31 | Structures found only in Plant cells |
32 | cell wall |
33 | cellulose |
34 | sap vacuole |
35 | tonoplast |
36 | excretory molecules |
37 | osmosis |
38 | chloroplasts |
39 | photosynthesis |
40 | chlorophyll |
41 | Differences between plant and animal cells |
42 | Alimentary Canal (2) |
43 | label |
44 | Functions |
45 | 1 Mouth |
46 | buccal cavity |
47 | ingest |
48 | teeth |
49 | tongue |
50 | saliva |
51 | salivary amylase |
52 | starch |
53 | maltose |
54 | 2 Oesophagus |
55 | circular |
56 | longitudinal |
57 | peristalsis |
58 | 3 Stomach |
59 | gastric juice |
60 | 4 Small Intestine |
61 | duodenum |
62 | digestion |
63 | ileum |
64 | absorption |
65 | 5 Large Intestine |
66 | colon |
67 | faeces |
68 | r****** |
69 | 6 Pancreas |
70 | accessory organ |
71 | pancreatic juice |
72 | islets of Langerhans |
73 | insulin |
74 | glucagon |
75 | ADH (anti-diuretic hormone) (Separate Biologists only – not Combined Science ) |
76 | Pituitary Gland |
77 | hypothalamus |
78 | collecting ducts |
79 | nephrons |
80 | kidney |
81 | small volume of concentrated urine |
82 | Adrenaline |
83 | adrenal glands |
84 | fight or flight |
85 | Insulin |
86 | blood glucose concentration gets too high |
87 | liver |
88 | glycogen |
89 | Testosterone |
90 | testes |
91 | Oestrogen |
92 | ovary (2) |
93 | uterus |
94 | Progesterone |
95 | corpus luteum |
96 | FSH (Follicle-Stimulating Hormone (Separate Biologists only – not Combined Science) |
97 | pituitary gland |
98 | LH (Luteinising Hormone) (Separate Biologists only – not Combined Science) |
99 | ovulation |
100 | Coordination |
101 | stimulus |
102 | How do organisms detect and respond to stimuli? |
103 | Nervous System |
104 | Hormonal System |
105 | nervous system |
106 | Neurones |
107 | . (2) |
108 | hormonal system |
109 | adrenalin |
110 | s*** chromosomes |
111 | So a human female has XX as her 23rd pair of chromosomes, a human male has XY as his 23rd pair. |
112 | Gametes |
113 | Meiosis |
114 | meiosis |
115 | haploid |
116 | Phenotype: |
117 | 23rd pair: |
118 | Gametes: |
119 | Fertilisation: |
120 | Offspring 23rd pair of chromosomes: |
121 | Offspring phenotypes: |
122 | pairs of bases |
123 | complementary base pairs |
124 | thymine |
125 | uracil |
126 | transcription |
127 | transfer RNA |
128 | anticodon |
129 | each amino acid is only attached to tRNA molecules with the correct anticodon. |
130 | Transfer RNA molecules |
131 | complementary base pairing (2) |
132 | anticodon: “a triplet of adjacent bases found on a transfer RNA molecule” |
133 | tRNA: “these molecules are found in the cytoplasm of cells and carry the correct amino acid into the ribosome. There is complementary base pairing between the codon on the mRNA and the anticodon on the tRNA as shown in the diagram above” |
134 | Gene: “a section of a DNA molecule that codes for the production of a single protein” |
135 | Ribosome: “a small structure found in the cytoplasm of cells where proteins are made by joining amino acids together into a long chain” |
136 | Transcription: “the process occurring in the nucleus in which a double-stranded DNA molecule is used to make a single-stranded molecule of messenger RNA” |
137 | Messenger RNA: ” a small single stranded molecule that is made in transcription and can carry the genetic information out of the nucleus to the ribosome” |
138 | Translation: “the second stage of protein synthesis that occurs in the cytoplasm in a ribosome in which amino acids are joined together in the correct order to make the protein” |
139 | Codon: “a triplet of adjacent bases in an mRNA molecule that codes for a single amino acid” |
140 | minimum |
141 | amino acids |
142 | please feel free to ask me questions |
143 | deoxyribonucleic acid |
144 | nucleotides |
145 | Adenine |
146 | Thymine (2) |
147 | Cytosine |
148 | deoxyribose |
149 | RNA |
150 | Ribonucleic Acid |
151 | single-stranded |
152 | ribose |
153 | no Thymine |
154 | Uracil |
No | Text |
1 | (If you are unsure, you need to revise the way enzymes work to catalyse reactions by a “lock and key” theory?) |
2 | What do all cells have in common? |
3 | Structures found only in Plant cells |
4 | Differences between plant and animal cells |
5 | (Separate Biologists only – not Combined Science |
6 | (Separate Biologists only – not Combined Science) (2) |
7 | How do organisms detect and respond to stimuli? |
8 | Phenotype: |
9 | 23rd pair: |
10 | Gametes: |
11 | Fertilisation: |
12 | Offspring 23rd pair of chromosomes: |
13 | Offspring phenotypes: |
14 | Why are codons three bases long? |
15 | possible |
16 | needed |
17 | before |
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