Question

1. What is the name of the process, where the cells absorb oxygen and nutrients, while getting rid of carbon dioxide and other waste products?

2. What is needed in the body for energy that is formed in the cells?

3. Why are not all cells in the body the same?

4. What is in the cell nuclei of cells?

5. What is the role of genes?

6. Plant cells have strong cell walls. Why do animals with only a thin cell membrane survive around the cells?

7. Fill in the missing words.
a) ------ is the body's smallest building blocks.

b) Cells that are similar to each other together forms one ------

c) An organ consists of several different ----- ones and together with other organs forms one -------

Answer 1

1. Cellular Respiration

2. Cytoplasm in body cells ( since it contains organelles in which metabolic reactions take place for eg: chemical reactions of respiration occur during which energy is released for cell activities)

3. Because different cells carry out a different but specific function for the proper functioning of the body

4. The nucleus of a cell contains chromatin which is made up of coils of DNA bound to proteins.

5. Genes contain genetic information for the cell to manufacture particular proteins which determine the characteristics of the organism.

6.Because animal cells have thin, partially permeable cell membranes to control the passage of substances into and out of the cell.. (srry!, I didn’t quite know how to answer this correctly!)

7a)...a cell...
b) ...tissue...
c) sorry I dnt knw the first blank space.. , (2nd blank) ...system...

HOPE THIS WILL BE HELPFUL !! But sorry, I didn’t know 2 questions!