FUNDAMENTAL UNIT OF LIFE
1. Define cell organelle
2. What are the 3 main features of a cell
3. Give example for unicellular organism
4.Name 3 types of solution
5. What is endocytosis?
6. Write the difference between smooth endoplasmic reticulum and rough endoplasmic reticulum
7. Name two types of plastids.
8. Name the outer most layer of plant cell.
9. Name the outer most layer of animal cell.
10. What is the plasma membrane made up of?
11. What is cellulose made up of?
12. What is gene?
13. Which molecule is known as currency of energy?
14. Which cell organell is the power house of the cell?
15. What is the primary function of leucoplast?
16. What is the function of vacuole?
17. Define nucleoid.
Answers
Answer:
1. An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
2. The three features found in almost every cell are plasma membrane, nucleus and cytoplasm.
3. Examples of unicellular organisms are bacteria, archaea, unicellular fungi, and unicellular protists
4. Solid solution.
Solid solution.Liquid solution.
Solid solution.Liquid solution.Gaseous solution
5. the taking in of matter by a living cell by invagination of its membrane to form a vacuole.
6. The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes.
The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes....
The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes....Difference Between Smooth Endoplasmic Reticulum And Rough Endoplasmic Reticulum.
The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes....Difference Between Smooth Endoplasmic Reticulum And Rough Endoplasmic Reticulum.Character Smooth Endoplasmic Reticulum (SER) Rough Endoplasmic Reticulum (RER)
The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes....Difference Between Smooth Endoplasmic Reticulum And Rough Endoplasmic Reticulum.Character Smooth Endoplasmic Reticulum (SER) Rough Endoplasmic Reticulum (RER)Produces It produces lipids and proteins. It produces proteins.
7. On the basis of presence of pigments, the plastids are of two types: (i) the chromoplasts (chromatophores) having pigment, and (ii) the leucoplasts which are colourless plastids.
8. epidermis
9. plasma membrane
10. Like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.
11. Cellulose is a polysaccharide composed of a linear chain of β-1,4 linked d-glucose units with a degree of polymerization ranged from several hundreds to over ten thousands, which is the most abundant organic polymer on the earth
12. Gene: The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as "a DNA segment that contributes to phenotype/function.
13. Adenosine 5'-triphosphate
Adenosine 5'-triphosphateAdenosine 5'-triphosphate, or ATP, is the principal molecule for storing and transferring energy in cells. It is often referred to as the energy currency of the cell and can be compared to storing money in a bank.
14. mitochondria
15. Leucoplasts are a group of plastids that include many differentiated colourless organelles with very different functions which act as a store for starch in non-green tissues such as roots, tubers, or seeds The primary function of leucoplast is the storage of starch, lipids and proteins
16. A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell.
17.The nucleoid is an irregularly shaped region within the prokaryotic cell that contains all or most of the genetic material. The chromosome of a prokaryote is circular, and its length is very large compared to the cell dimensions needing it to be compacted in order to fit
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