answer for all i will give more points like 50 B 1. The cell without organized Nucleus is called _________ [ ] a. Eukaryotic b. Prokaryotic c. Plant cell d. Animal cell 2. ___________region takes up very little stain in a cell. [ ] a. Cell wall b. Cell membrane. c. Cytoplasm d. Nucleus 3. Many specialized cell organells are present in _________. [ ] a. Nucleus b. Cytoplasm c. Cell membrane d. All the above 4. One of the following organell is not bounded with a membrane [ ] a. Ribosomes b. Mitochondria c. Nucleus d. Golgi apparatus 5. The fluid present in cell was named as ______ which means life fluid. [ ] a. Cytoplasm b. Nucleoplasm c. Protoplasm d. All the above. II. Fill in the Blanks 1. Mitochondrion was first observed by __________ 2. There are about __________ mitochondria in each cell. 3. Mitochondria are also known as ___________. 4. Full form of ATP is ___________ 5. The foldings of mitochondria are called as ___________. III. Answer the following questions. 1. What is the function of Mitochondrion? 2. Why Mitochondria are called as Power house of the Cell? 3. Write the procedure to observe the Mitochondria. 4. Give Reasons why people believed that the protoplasm as a life fluid? 5. Draw the given diagram and label the parts.
Answers
Answer:
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Explanation:
I.
1. (b) Prokaryotic cells
2. (c) Cytoplasm
3. (b) Cytoplasm
4. (a) Ribosomes
5. (a) Cytoplasm
II.
1. Carl Benda
2. about 1000–2000 mitochondria
3. Power House of the cell
4. Adenosine triphosphate
5. Cristae
III.
1. To produce the energy currency of the cell, ATP (i.e., phosphorylation of ADP), through respiration, and to regulate cellular metabolism.
2. Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.
3. Mitochondria are shaped perfectly to maximize their productivity. They are made of two membranes. The outer membrane covers the organelle and contains it like a skin. The inner membrane folds over many times and creates layered structures called cristae. The fluid contained in the mitochondria is called the matrix.
The folding of the inner membrane increases the surface area inside the organelle. Since many of the chemical reactions happen on the inner membrane, the increased surface area creates more space for reactions to occur. If you have more space to work, you can get more work done. Similar surface area strategies are used by micro villi in your intestines.
4. Nucleus, cytoplasm,cell membrane are living part. they are together called protoplasm. ... cytoplasm contains cell organelles and cell membrane allows entry and exit of materials.so protoplasm is called'living part of the cell'. it performs funtions cell wall found in plants is dead part.
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