A: cell surface membrane
Oracle Prep sorts past-paper questions by topic, so you can drill Cell structure and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
Which statements are correct for chloroplasts and also for mitochondria? 1 They contain 80S ribosomes. 2 They can tra…
What happens to the surface area to volume ratio of a cube when the length of each side is doubled?
A student used a light microscope to observe a blood smear on a microscope slide. An eyepiece graticule was used to m…
A triglyceride has ......1..... bonds formed by joining fatty acids to .2....... Which row correctly completes this …
Which statement about collagen is correct?
Catechol is a chemical found in a number of fruits. Catechol can be oxidised to a quinone by the enzyme catechol oxid…