Ib cell Study guides, Revision notes & Summaries
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AQAGCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Version: 1.0 Final *JUN238464B1F01* IB/M/Jun23/E5 8464/B/1F QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 68 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/1F 
Biology Paper 1F 
Version: 1.0 Final 
*JUN238464B1F01* 
IB/M/Jun23/E5 8464/B/1F 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Tuesday 16 May 2023 Morning Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer al...
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IB Biology Latest Update with Verified Solutions
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IB Biology Latest Update with Verified 
 
Solutions 
 
genotype the alleles of an organism 
 
phenotype the characteristic of an organism 
 
dominant allele an allele that has the same effect on the phenotype when present in both 
homozygous and heterozygous states 
 
co-dominant alleles pair of alleles that both affect the phenotype when present in a 
heterozygote 
 
recessive alleles an allele that only has an effect on the phenotype when in homologous state 
 
locus the particular position on...
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IB Bio HL I Semester 1 Exam Review with Certified Solutions
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IB Bio HL I Semester 1 Exam Review 
 
with Certified Solutions 
 
Outline the Cell Theory -All organisms are composed of one or more cells 
-Cells are the smallest unit of life 
-All cells come from pre-existing cells 
 
Discuss the evidence for Cell Theory -Robert Hooke uses microscope to observe living cells 
-Louis Pasteur performs chicken broth experiment to prove that cells come from pre-existing 
cells 
 
Outline the therapeutic uses of stem cells -Implanted stem cells to rebuild brain tis...
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2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 67 pages • 2024
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2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 
1F Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer all questions in the spaces provided. 
• If you need extra space for your answer(s), use the lined pages at the end of 
th...
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IB Biology Unit 1 Latest Update Graded A+
- Exam (elaborations) • 18 pages • 2024
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IB Biology Unit 1 Latest Update 
 
Graded A+ 
 
Cell theory 3 main principles All organisms are composed of one or more cells 
cells are the smallest units of life 
all cells come from pre-existing cells 
 
7 functions of life (MR H GREN) 
metabolism 
reproduction 
homeostasis 
growth 
excretion 
 
response 
nutrition 
 
Paramecium unicellular membrane of the kingdom known as Protista. Look at powerpoint on 
isa247 to see how this organism displays the functions of life. 
 
chlorella single-cell...
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RN Nursing Care of Children Proctored Exam 2019
- Exam (elaborations) • 14 pages • 2023
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A nurse is providing education about dietary modifications to the parent of a school age child who 
has glomerulonephritis. Which of the following information should the nurse include in the teaching? 
A. Increase the child calcium intake 
B. Decrease the Child's sodium intake 
C. Increase the child's intake of carbohydrates 
D. Decrease the child's fat intake - Answer- B. Decrease the Child's sodium intake 
 
A nurse is providing teaching to the parents of a school-age child newly diagnosed...
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All IB Biology Processes Latest Update with Verified Solutions
- Exam (elaborations) • 84 pages • 2024
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All IB Biology Processes Latest Update 
 
with Verified Solutions 
 
Stem Cell Therapy 1. triggering the differentiation of stem cells into desired cell type 
2. surgical implantation of differentiated cells into patients tissue 
3. suppression of immune system so they do not get destroyed 
4. monitoring so they are not cancerous 
 
eg. Stagardt's Disease (old retina cells --> new retina cells) 
Leukemia (bone marrow transplant) 
 
Somatic cell nuclear transfer - creation of embryonic clones...
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AQA 7712-1 ENGLISH LITERATURE A-A LEVEL PAPER 1 MAY 2023
- Exam (elaborations) • 12 pages • 2023
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0 1 Othello – William Shakespeare 
‘In Othello, the bond between Othello and Iago is stronger than the love between Othello 
and Desdemona.’ 
In the light of this view, discuss how Shakespeare presents the relationship between 
Othello and Iago in this extract and elsewhere in the play. 
[25 marks] 
IAGO 
There are a kind of men so loose of soul 
That in their sleeps will mutter their affairs: 
One of this kind is Cassio. 
In sleep I heard him say: ‘Sweet Desdemona, 
Let us be wary, le...
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Immunology Exam 2 - Questions and Answers
- Exam (elaborations) • 24 pages • 2023
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Immunology Exam 2 - Questions and Answers NKG2D is an activating receptor expressed on NK cells, : T cells, and some cytotoxic : T cells. When stressed or infected cells up-regulate receptors that bind to and activate NKG2D molecules, the stressed or infected cells will be killed. This pathway relies on the fact that stressed or infected cells up-regulate: A. All classical MHC class I molecules B. HLA-C molecules that bind KIRs C. MHC class Ib genes such as MICA, MICB, and RAET1 D. Qa-1 and HLA...
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IB Biology - 1.1 Introduction to Cells Questions and Answers Graded A+
- Exam (elaborations) • 16 pages • 2024
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IB Biology - 1.1 Introduction to Cells 
Questions and Answers Graded A+ 
 
Main components of cell theory 1. All living things are made up of one or more cells 
2. All cells come from pre-existing cells 
3. Cells are the fundamental building blocks of all living organisms 
 
Smaller organisms are what type of cellular? Unicellular 
 
Larger organisms are what type of cellular? Multicellular 
 
Common features of cells? 1. Every cell is surrounded by a membrane, which separates the 
cell contents...
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