Identify each cell structure or organelle from its description below.

a. Manufactures lysosomes

b. Manufactures ribosomes

c. Site of protein synthesis

d. Can bud off vesicles which form the Golgi body

e. Can transport newly synthesised protein round the cell

f. Manufactures ATP in animal and plant cells

g. Controls the activity of the cell, because it contains the DNA

h. Carries out photosynthesis

i. Can act as a starting point for the growth of spindle microtubules during cell division

j. Contains chromatin

k. Partially permeable barrier only about 7 nm thick

l. Organelle about 25 nm in diameter