Which of the following is not a part of animal cells' ECM? Select one: a. cellulose b. elastin c. Proteoglycans such as glycosaminoglycan (GAGs) d. Collagen e. Fibronectin
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Which of the following is not a part of animal cells' ECM?
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- Which of the following is not a part of animal cells' ECM? Select one: a. cellulose b. elastin c. Proteoglycans such as glycosaminoglycan (GAGS) d. Collagen e. Fibronectin OOWhich of the following statements is NOT TRUE about tissues? A. The extracellular matrix of blood tissue is the plasma B. In adipose tissue, tiny cells are surrounded by very thick extra cellular matrix which is where all the fat is located C. Epithelial cells sometimes have cilia like the ones used in comb jellies and placozoans D. Nervous Tissue has only one cell type, the neuronWhich of these molecules provides squish to the ECM? a. Elastin b. Hydrated Matrix c. Fibronectin d. Collagen e. Integrin
- Mucin is a glycoprotein found in mucus that increases its viscosity. Carbohydrates are added to mucin in which of these structures? A. Cytoplasm B. Golgi Apparatus C. Nucleus D. Rough endoplasmic reticulumThe following is the site where a lipid is added to a protein to make a lipoprotein: O a. Nucleus O b. Rough Endoplasmic Reticulum O c. Lysosome O d. Mitochondria O e. Golgi apparatusThe cell is the basic unit of all living things. Some organisms like Amoeba and bacteria are only one cell. Viruses are sub-cellular. Plants and animals are multicellular. Analyze how this fact is important when considering how different organism feed, respire, and excrete. Give two examples for each characteristic and use a multi- cellular organism and a uni-cellular (one-celled) organism to compare.
- Explain why the statement is correct. Which is true of the ribosomes of endoderm cells of the Cnidaria (jellyfish)? They: are attached to the Rough Endoplasmic reticulum (RER) and carry out the synthesis of the primary structure of proteins1. The most abundant protein found in the extracellular matrix (ECM) is A. elastin B. keratin C. collagen D. myosin 2. One type of ECM component composed of both protein and carbohydrate would be A. lectins B. proteoglycans 17 C. integrins D. claudins 3. Which types of cells don't have an ECM, but rather have something else instead? A. epithelial cells B. connective tissue cells C. white blood cells D. plant cells 4. Which ECM component allows for elastic recoil, almost like a rubber band? mit A. keratin B. recoilin C. elastin D. collagen 5. Which biologists conducted the experiment that showed that the R strain of bacteria could be converted into the S strain through transformation? A. Griffith and colleagues B. Hershey and colleagues C. Avery and colleagues D. Chase and colleagues ulA ns as beitiazacio zi smonsa sit 6. The follow up to the experiments from the previous question showed that DNA was indeed the genetic material. How was this done? A. Digesting the RNA from the extract…Which one of the following statements is NOT TRUE: a. Cilia are responsible for increasing surface area b. Cilia are a type of cell surface specialization c. Cilia are responsible for movement of substances over a surface d. Cilia are hair-like structures
- Which of the following represent ground substance in extracellular matrix? a. elastin b. proteoglycans c. collagen d. reticular proteinsA melanosome (type of vesicle containing the pigment melanin) is transported towards the nucleus of the cell. The hydrolysis of ATP is involved with this movement. Identify the most likely motor protein and cytoskeletal filament involved with this transport. a. Myosin, microtubules b. Kinesin, actin filaments c. Dynein, actin filaments d. Dynein, microtubules e. Kinesin, microtubules f. Myosin, actin filamentsWhich statements correctly describe the rough endoplasmic reticulum (rough ER)? It has ribosomes bound to its membrane. It synthesizes proteins that will be sent out of the cell. It stores and releases calcium ions. It is connected to the membrane of the nucleus. It is used to transport mRNA to the cell membrane.