Biology 9700/21 — May/June 2017
Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme
Topics The Mitotic Cell Cycle · Cell Membranes and Transport · Cell Structure · Biological Molecules · Enzymes · Immunity · +3 more
Answer all the questions.
Each of the statements A to D describes a structure found in eukaryotic cells.
Identify the structure that is described in each statement.
A An organelle that contains 70S ribosomes.
______
B A thread-like structure composed of DNA and histone proteins.
______
C The organelle that modifies and packages proteins for secretion.
______
D The structure that synthesises rRNA and combines it with proteins.
______
Prokaryotes and plant cells have cell walls.
Outline the composition of the cell wall of a prokaryote and the composition of the cell wall of a plant cell to show how they differ.
The rest of this paper
5 more questions- Q2Enzymes8M
- Q3Immunity11M
- Q4Nucleic Acids and Protein Synthesis · The Mitotic Cell Cycle16M
- Q5Cell Membranes and Transport · Transport in Plants8M
- Q6Infectious Diseases · Cell Membranes and Transport11M