OCR GCE A LEVEL BIOLOGY B PAPER 3 QUESTION PAPER 2023 (H422/03: Practical skills in biology)
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OCR GCE A LEVEL BIOLOGY B PAPER 3 QUESTION PAPER 2023 (H422/03: Practical skills in biology). DOWNLOAD OFFICIAL AND VERIFIED OCR GCE A LEVEL BIOLOGY B PAPER 3 Q...
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OCR GCE A LEVEL BIOLOGY B PAPER 3 QUESTION PAPER 2023 (H422/03: Practical skills in biology). DOWNLOAD OFFICIAL AND VERIFIED OCR GCE A LEVEL BIOLOGY B PAPER 3 QUESTION PAPER 2023 ON www.leakedexams.com.


1 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


D
A
B
C
 (i) Name the following structures and processes shown in Fig. 1.1:
• the structure labelled A forming in the cell surface membrane
• the process occurring to the organelle labelled B
• the structure labelled C.
Structure A ........................................................................................................................
Process B ..........................................................................................................................
Structure C ........................................................................................................................
[3]