Procedure 1 Model Inventory for the Cell Identify the following structures of th

Question

Procedure 1 Model Inventory for the Cell Identify the following structures of the cell on models and diagrams, using this unit and your textbook for reference. As you examine the anatomical models and diagrams, record the name of the model and the structures that you were able to identify on the model inventory in Table 4.2. When you have completed this activity, answer Check Your Understanding questions 1 through 3 (p. 95). 1. Plasma membrane 3. Cytoplasmic organelles 4. Nucleus a. Phospholipid bilayer b. Integral proteins c. Peripheral proteins d. Carbohydrates e. Microvilli a. Ribosomes b. Peroxisomes c. Mitochondria a. Nuclear membrane b. Nuclear pores c. Chromatin h endoplasmic reticulumd. Nucleolus e. Smooth endoplasmic 2. Cytoskeleton a. Actin filaments b. Intermediate filaments c. Microrubules d. Cilia e. Flagella reticulum f. Golgi apparatus g. Lysosomes h. Centrioles TABLE 4.2 Cellular Structures Model Inventory Exploring Anatomy & Physiology in the Laboratory

Explanation / Answer

1. Plasma membrane.

integral proteins- associated within the membrane

phospholipid bilayer - structural variations .

2. cytoskeleton

flagellla- organ of locomotion with the base , hook and body . present in the bacteria.

celia- organ of locomotion with the shabby movement pattern.

mitochondria - sausage shaped . with beads present in the form of ribosomes or proteins.for energy production.

3.cytoplasmic organelles

mitochondria - sausage shaped embedded with proteins .

ribosomes- proteins which are scattered across and around the cytoplasm and mitochondria .

lysosomes- suicidal bags of plant cell distinguished by large space which it occupied.

smooth endoplasmic reticulum - the zig zag pattern of double membrane devoid of protein.

rough endoplasmic reticulum - zig zag pattern of double membrane embedded with proteins. both originate from the either sides of nucleus .

4. nucleus

nucleolous - dense hemispherical structure which is present within the nucleus.

chromatin- the condensed form of the fibers which give rise to gene products.

nuclear membrane - demarcation of the nucleus within the cytoplasm.

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