Biology questions. Please HELPE!!! Thank YOU SO MUCH!?

I have some biology questions below, would you please help me to get the answers. Thank you!

1. The network of interconnected filaments and microtubules within a cell is collectively called the:

A. nucleoli

B. matrices

C. organelles

D. cytoskeleton

E. Golgi bodies

2. The internal structures of a cell that maintain its shape and allow it to move are called:

A. nucleoli

B. matrices

C. organelles

D. cytoskeleton

E. Golgi bodies

3. The function of the plasma membrane is:

A. determines which substances enter and leave the cell

B. serves as a boundary between the cell and its environment

C. contains receptor sites which determine how the cell interacts with its environment

D. All of the choices are correct.

4. Uncoiled DNA found in the nucleoplasm is called:

A. RNA

B. chromatin

C. nucleolus

D. chromosome

E. centrosome

5. Accumulation of undigested substances in neurons causes Tay Sachs disease. The cellular abnormality is:

A. lack of Golgi apparatus

B. excess mitochondria

C. abnormal chloroplasts

D. lack of a lysosomal enzyme

E. misshapen endoplasmic reticulum

6. Hydrophilic means:

A. water-loving or seeking

B. water-avoiding or hating

C. saturated with water molecules

7. A hypertonic solution contains:

A. equal amounts of solute and water

B. greater concentration of solute than the cytoplasm

C. lesser concentration of solute than the cytoplasm

D. no solutes

8. A cell in a hypertonic solution:

A. loses water

B. gains water

C. gains and loses the same amount of water

9. Basal bodies are associated with:

A. ribosomes

B. mitochondria

C. chromosomes

D. cilia and flagella

10. The sum of all of the chemical reactions that occur in a cell collectively are called:

A. respiration

B. photosynthesis

C. metabolism

D. reaction summary