Answer number 9-10 only A.CELLULAR STRUCTURE AND BIOMOLECULE1 & 2. Give two unique properties of the organelles emphasized by the endosymbiotic theory.Identify the organelle or cellular structure based on the given reactions. (3 - 10)3. DNA-directed DNA synthesis4 DNA-directed RNA synthesis5. post-translational modification of proteins6. Glycosylation reaction7. Lipid synthesis8. Degradation reactions9. Catalase activity10. Glycolysis

Catalase is an enzyme that breaks down hydrogen peroxide into water and oxygen. Factors affecting…

Answered: 9. Catalase activity 10. Glycolysis

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 11RE

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Endoplasmic reticulum (ER) is the site of all the following EXCEPT A) drug detoxification by means of mixed-function oxidases B) synthesis of proteins that are secreted from the cell C) N-linked glycosylation of newly formed polypeptides D)Ca2+ storage in muscle tissues E) hydrolytic activities carried out by acid hydrolases Option 6
if you visualize the cytoskeleton of a cell that is expanding in one direction, you typically observed a strong orientation of the cytoskeleton. Please answer the following three questions. a. Would the cytoskeleton be oriented parallel or perpendicular to the direction of cell expansion? b. Would the cellulose fibers in the cell wall be parallel or perpendicular to the cytoskeleton? c. Explain why cytoskeleton, cellulose fibers, and direction of cell expansion have the relationship mentioned in a and b?
Which of the following statements best describes the synthesis of secreted proteins? a.) Secreted proteins are typically synthesized in the smooth endoplasmic reticulum and carried to the Golgi apparatus in vesicles. b.) Secreted proteins are typically synthesized in the rough endoplasmic reticulum and carried to the Golgi apparatus in vesicles. c.) Secreted proteins are typically synthesized in the Golgi apparatus. d.) Secreted proteins are typically synthesized in the cytoplasm and diffuse to the Golgi apparatus.
Which of these amino acids is NOT a common attachment point for sugars in glycoproteins? A) Gly b) Ser c) Thr d) Asn In I-cell disease defective proteins are mislabeled which should be delivered to which organelle? A) nucleus b) mitochondria c) rough endoplasmic reticulum d) lysosome A glycoprotein involved in red blood cell production is: a) hemagglutinin b) erythropoietin c) p-glycoprotein d) cytochrome c
Members of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with only a simple cell membrane made up of fatty acids and phospholipids. They cannot however, synthesize their own fatty acids. How is this possible? A. They use host materials B. They use peptidoglycan from other bacteria C. They use anabolism as a way to create their outer membrane D. They use amino acids to build their membranes
Item27 Item 27 Ribosomes that are attached to the RER are called "free ribosomes". Group startsTrue or False Item28 Item 28 The cytoskeleton has three separate components: microfilaments, intermediate filaments, and ______________. Fill in the blank Item29 Item 29 Catalase-containing peroxisomes are most abundant in ______ cells. Multiple Choice liver kidney pancreas thymus pituitary
Some genetic diseases cause deficient activity of lysosomes. What would be the direct consequence of these diseases? a.Fewer macromolecules within the cytosol. b.Less degradation of old organelles. c.Increased hydrolysis of macromolecules. d.Reduce rate of endocytosis.
1. During a wound infection, the bacteria Clostridium perfringens produces collagenase, an enzyme that breaks apart collagen, as one of its virulence factors. What do you predict would be the most likely outcome of this collagenase production? A. Breakdown of connections and structure of the extracellular matrix B. Blockage of signal transduction C. Lysis of the phospholipid bilayer of cells D. Degradation of tight junctions 2 The primary cell wall of plants is made mostly of the structural carbohydrate ______, which is a polymer of the monosaccharide glucose. A. starch B.cellulose C.glycogen D.peptidoglycan 3. The protein integrin binds to actin filaments and, by binding to proteins like fibronectins, connects to collagen. In this manner, integrin ______. A.controls the permeability of the cytoplasmic membrane B. suspends organelles within the cytoplasm C. provides a direct linkage between the cytoskeleton and the extracellular matrix D. helps keep individual cells in place and…
Why do cancer cells treated with vitamin E succinate appear to be more vulnerable to rupture of their lysosomal membranes (and subsequent apoptosis) than normal cells? A. cancer cells often have an alkaline cytosol, which destabilizes the acidic lysosomes B. cancer cells often have an alkaline cytosol, which destabilizes the alkaline lysosomes C. cancer cells often have an acidic cytosol, which destabilizes the acidic lysosomes D. cancer cells often have an acidic cytosol, which destabilizes the alkaline lysosomes E. all of the above
In protein synthesis, modification and transport, what will be the correct order of organelles involved in the process? A. nucleus - ribosomes - Golgi complex - vesicles B. endoplasmic reticulum -ribosomes - vesicles Golgi complex C. Golgi complex - endoplasmic reticulum - vesicles - ribosomes D. ribosomes - endoplasmic reticulum - vesicles - Golgi complex One of the meristematic tissues is vascular cambium which is responsible for increasing the diameter of stems and roots. In which part of the plants is the vascular cambium found? A. In structure 4, where they are in the sides of stems and roots. B. In structure 3, where they are located at the base of leaves and internodes. C. In structure 1, where they are covered by lower and upper epidermis of the leaf . D. In Structure 2, where they are located on the tips of stems and roots of the plants .
In protein synthesis, modification and transport, what will be the correct order of organelles involved in the process? A. nucleus - ribosomes - Golgi complex - vesicles B. endoplasmic reticulum -ribosomes - vesicles Golgi complex C. Golgi complex - endoplasmic reticulum - vesicles - ribosomes D. ribosomes - endoplasmic reticulum - vesicles - Golgi complex
Does the word 'biomolecular condensates' states that there is condensation during the formation of these organelles?

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