please i need help with this qustions for my homework answer the multiple choice

Question

please i need help with this qustions for my homework answer the multiple choice that is all and be clear not writes un clear stuff just asnswer the qustions please also be correct becaus i need the right answer for my homwork so please help

1-Where is DNA found in Plant Cells?

mitochondria

nucleus

chloroplasts

A and B

all of the above

2-If your cell was making a protein for excretion outside of the cell, where would you expect it to be synthesized?

nuclear matrix

cytoplasm

rough ER

Nucleolus

mitochondria

3-A membrane protein synthesized in the rough ER may be directed to which endomembrane organelle?

peroxisomes.

lysosomes.

mitochondria.

all of the above

4- Brefeldin A is a drug that disrupts the ability to modify proteins with sugars or lipids. What organelle(s) would be most effected by (the target of) this drug?

Peroxisome

Nucleus

Mitochondria

Endoplasmic Reticulum

Lysosome

5- Taxol, a drug approved for treatment of breast cancer, prevents depolymerization of microtubules. What cellular function that affects cancer cells more than normal cells might taxol interfere with?

maintaining nuclear shape

formation of pseudopodia

chromosome movements in cell division

cell division cleavage furrow formation

cytoplasmic streaming

6-LDL enters Macrophage cells through which process?

Pinocytosis.

Exocytosis.

Receptor mediated endocytosis.

Phagocytosis

Endometriocytosis

Explanation / Answer

1. Where DNA is found in Plnat cells - All of the above.

2.If your cell was making a protein for excretion outside of the cell, where would you expect it to be synthesized? - Rough ER

3.A membrane protein synthesized in the rough ER may be directed to which endomembrane organelle? - Lysosome

4.Brefeldin A is a drug that disrupts the ability to modify proteins with sugars or lipids. What organelle(s) would be most effected by (the target of) this drug? - Lysosome.

5.Taxol, a drug approved for treatment of breast cancer, prevents depolymerization of microtubules. What cellular function that affects cancer cells more than normal cells might taxol interfere with? - Chromosome movements in cell division.

6.LDL enters Macrophage cells through which process? - Receptor mediated endocytosis.

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