1. What is the size of the eukaryotic cell
A μm
B-1-100μm
C-0.12 μm
D mm
The size of intermediate filaments is
a- 250 A
b- 90 A
C- 50 A
d A

2. x √ x √ x x √ √ 1-Thylakoid present in mitochondria
2-Golgi complex process and packages proteins and lipids for export x
3-the major protein in the microtubules is keratin
4-Microfilaments are cycloskeleton √
5- trace elements are not essential for life x
6- potassium K, is a trace element in the human body x √
7-Anabolism is a biosynthesis process in which biomolecules are synthesized from simple precursors
8-Organelles consist of supramolecules assemblies such as membranes or fibers √