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Biology A & B Full bundle.
This Biology A & B Bundle contains Revision Papers with complete solutions. Best for Exam Preparations and Guaranteed Success. Latest update format.
[Meer zien]This Biology A & B Bundle contains Revision Papers with complete solutions. Best for Exam Preparations and Guaranteed Success. Latest update format.
[Meer zien]2 
© OCR 2023 
C 
Constant region 
D 
Section A 
You should spend a maximum of 25 minutes on this section. 
Write your answer for each question in the box provided. 
1 Which statement describes a problem that has resulted from the increased use of antibiotics? 
A Penicillin can no longer be used to...
Voorbeeld 4 van de 55 pagina's
In winkelwagen2 
© OCR 2023 
C 
Constant region 
D 
Section A 
You should spend a maximum of 25 minutes on this section. 
Write your answer for each question in the box provided. 
1 Which statement describes a problem that has resulted from the increased use of antibiotics? 
A Penicillin can no longer be used to...
1x verkocht
1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. 
Fig. 1.1 
Large multicellular 
plant 
Small multicellular 
plant 
Length = 2cm 
Width = 2 cm 
Depth = 2cm 
Surface area : volume 
= 6:1 
(i) Using the data provided in Fig. 1.1, calculate the surface area : volum...
Voorbeeld 4 van de 54 pagina's
In winkelwagen1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. 
Fig. 1.1 
Large multicellular 
plant 
Small multicellular 
plant 
Length = 2cm 
Width = 2 cm 
Depth = 2cm 
Surface area : volume 
= 6:1 
(i) Using the data provided in Fig. 1.1, calculate the surface area : volum...
2 
OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which description of biological molecules is correct? 
A DNA and RNA are both polymers of nucleotides. 
B Hydrolysis of sucrose produces fructose and β-gluco...
Voorbeeld 4 van de 68 pagina's
In winkelwagen2 
OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which description of biological molecules is correct? 
A DNA and RNA are both polymers of nucleotides. 
B Hydrolysis of sucrose produces fructose and β-gluco...
2 
OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which option correctly describes a tissue? 
A A group of cells performing similar functions 
B A group of organs performing a specific function 
C A group of ...
Voorbeeld 4 van de 58 pagina's
In winkelwagen2 
OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which option correctly describes a tissue? 
A A group of cells performing similar functions 
B A group of organs performing a specific function 
C A group of ...
1 Cats are mammals. 
(a) A light micrograph of a section through the trachea of a cat is shown in Fig. 1.1. 
Fig. 1.1 
A 
B 
C 
(i) Name the tissues labelled A and B in Fig. 1.1. 
A .........................................................................................................................
Voorbeeld 4 van de 52 pagina's
In winkelwagen1 Cats are mammals. 
(a) A light micrograph of a section through the trachea of a cat is shown in Fig. 1.1. 
Fig. 1.1 
A 
B 
C 
(i) Name the tissues labelled A and B in Fig. 1.1. 
A .........................................................................................................................
2 
OCR 2023 
Section A 
You should spend a maximum of 40 minutes on this section. 
Write your answer for each question in the box provided. 
1 The image shows an erythrocyte after being placed in a solution. 
Which option explains the appearance of the erythrocyte? 
A The solution was distilled wate...
Voorbeeld 4 van de 71 pagina's
In winkelwagen2 
OCR 2023 
Section A 
You should spend a maximum of 40 minutes on this section. 
Write your answer for each question in the box provided. 
1 The image shows an erythrocyte after being placed in a solution. 
Which option explains the appearance of the erythrocyte? 
A The solution was distilled wate...
2 
OCR 2023 
1 This question is based on the Advance Notice Article ‘Development of therapeutic antibodies 
for the treatment of disease’. 
(a) (i) State what is meant by the term antigen. 
............................................................................................................
Voorbeeld 4 van de 66 pagina's
In winkelwagen2 
OCR 2023 
1 This question is based on the Advance Notice Article ‘Development of therapeutic antibodies 
for the treatment of disease’. 
(a) (i) State what is meant by the term antigen. 
............................................................................................................
Apoptosis is the programmed cell death of damaged or unwanted cells. 
(a) Fig. 1.1 shows a transmission electron micrograph (TEM) of apoptosis of a leucocyte. 
Fig. 1.1 
A 
B 
C 
(i) Name the following structures and processes shown in Fig. 1.1: 
• the structure labelled A forming in the cell surf...
Voorbeeld 4 van de 50 pagina's
In winkelwagenApoptosis is the programmed cell death of damaged or unwanted cells. 
(a) Fig. 1.1 shows a transmission electron micrograph (TEM) of apoptosis of a leucocyte. 
Fig. 1.1 
A 
B 
C 
(i) Name the following structures and processes shown in Fig. 1.1: 
• the structure labelled A forming in the cell surf...
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