Cell Physiology Choose the correct

1- Phospholipase C signaling pathway involves

a- Protein kinase A

b-Tyrosine kinase

c- Inositol triphosphate

d-Protein phosphatase

2) Ribosomes are responsible for synthesis of all proteins except

a- Cytoplasmic proteins

b- Lysosomal proteins

c-mitochondrial protein

d-Nuclear protiens

3) Simple diffusion through bilipid layer involve the following except

a-hydrophobic molecules

b-lipophilic molecules

c- charged molecules

d- low molecular weight molecules

4) microtubules can perform all the following except

a-Cytoskeleton

b- tracts used by myosin

c- move sister chromatids apart during mitosis