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Answer:
6.a)The difference lies between the two is that the Smooth Endoplasmic Reticulum is not bounded by the ribosomes and is known for storing the lipids and proteins. Meanwhile, the Rough Endoplasmic Reticulum is bounded by the ribosomes and store proteins.
b) Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins .
7.a)The Golgi apparatus, also called Golgi complex or Golgi body, is a membrane-bound organelle found in eukaryotic cells (cells with clearly defined nuclei) that is made up of a series of flattened stacked pouches called cisternae. It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus.
b)Amoeba Obtain Its Food By
Amoeba envelops its food through the process of endocytosis or phagocytosis, where pseudopodia is created by flexibility of the plasma membrane. ... Inside the food vacuole, complex substances are broken down into simpler ones which then diffuse into the cytoplasm.
8.a) mitochondria
b) chloroplast
c) lysosomes
9.Plant cells have large-sized vacuoles because they must store an adequate amount of water in order to maintain their turgor, or hydrostatic...
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Answer:
1)
a)Rough endoplasmic reticulum has ribosomes attached to it giving the rough appearance.It involved in protein synthesis.
Smooth endoplasmic reticulum devoid of ribosomes.It involved with lipid synthesis.
b)Endoplasmic reticulum performs the following functions:
- It is responsible for the production and secretion of steroid hormones.
- It is also responsible for the synthesis of essential lipids such as phospholipids and cholesterol.
- It is responsible for the metabolism of carbohydrates.
- ER releases calcium ions, which are necessary for the nervous system and muscular system
2)
a)Golgi apparatus is a membrane bound organelle found in most cells. It is responsible for packaging proteins into vesicles prior to secretion and therefore plays a key role in the secretory pathway.
b)Amoeba envelops its food through the process of endocytosis or phagocytosis, where pseudopodia is created by flexibility of the plasma membrane.Inside the food vacuole, complex substances are broken down into simpler ones which then diffuse into the cytoplasm.
3)
a) mitochondria
b)chloroplasts
c)lysosomes
4)The vacuoles keep the cells turgid and provide them rigidity and support.They even store food material and waste products in plant cells. Vacuoles also help in maintaining the water balance in the cell.