Q: do bacterial flagella participate in protein export?
A: Flagella Long appendage or tail that is used like a whip. It is found on attached to the cell body…
Q: What characteristics does golgi apparatus have to be considered as the packaginge Center of the…
A:
Q: How does the structure of a phospholipid make it an ideal molecule for theplasma membrane?
A: The fundamental structure of the plasma membrane is a phospholipid bilayer. It acts as a stable…
Q: How is a prophage induced to become active again?
A: Prophage can be defined as the bacteriophage genome which is inserted and integrated into the…
Q: Why doesn’t the cell “clean up” the faulty lysosomes?
A: Lysosome is membrane bound organelle which encloses enzyme responsible for the breakdown of complex…
Q: Why can’t prokaryotic cell import whole proteins inside using channels, pores or transporters?
A: Introduction Cell is the basic unit of life. All organisms be it single cellular or multicellular,…
Q: What is cell-adhesion molecules (CAMs)?
A: Cell adhesion molecules: These are glycoproteins located on the cell surface. These proteins are…
Q: Explain briefly phagocytosis and endocytosis, mention an example of human cells that use…
A: Phagocytosis Phagocytosis, or “cell eating”, is the process by which a cell engulfs a particle and…
Q: Why wet mount of moving cells is only performed with no pathogens bacteria? Also, what is the…
A: In a wet mount, the specimen is placed in a drop of water or other liquid held between the slide and…
Q: How does the microtubule assembly produce the bending movements of flagella and motile cilia?
A: Microtubules are polymers of tubulin that design part of the cytoskeleton and give development and…
Q: How does the cell package substances that are to be secreted by exocytosis into vesicles?
A: As we know cell membrane is semipermeable and it allows movement of various molecules, gases,…
Q: What are the types of flagellar arrangements?
A: Flagella are the complex filamentous cytoplasmic structure protruding through cell wall. These are…
Q: During phagocytosis, which action is associated with destruction? a. exocytosis b. adhesion c.…
A: Destroying of cell by breaking its cell membrane is known as phagocytosis
Q: E. coli cells have peritrichous flagella. What does this mean?
A: E.coli. is a type of bacterium. Bacteria are unicellular and prokaryotic organisms that live in a…
Q: Do all bacteria contain storage granules at all stages in their life cycle? Explain.
A: Definition:- Cytoplasmic granules or Inclusion Bodies or Storage Granules are concentrated deposits…
Q: What is Desmosome
A: According to the question, we have to give an explanation about desmosomes. So, let us have a look…
Q: What advantages does a eukaryotic cell gain by having a nuclear envelope?
A: The nuclear envelope is a membrane that separates the nucleus from the cytoplasm in eukaryotic…
Q: How is receptor-mediated endocytosis different from phagocytosis?
A: The endocytosis of larger particles by binding them to the particular surface receptors is termed,…
Q: Where does the cell get energy for active transportprocesses?
A: The cell harvests energy from ATP produced by its own metabolism to control dynamic transport…
Q: What are the Four types of flagellar arrangements?
A: A flagellum may be a lash-like appendage that protrudes from the cell body of sure cells termed as…
Q: Which components of the nucleus stains with basophilic dyes?
A: Basophilic means "base loving". The dyes that stain components that are base-loving are called…
Q: Define cell-adhesion molecules (CAMs),
A: The bacteria invading the human body are first recognized by immune cells of the body and destroyed…
Q: Lysosomes contribute is all of the followings events, except one:
A: Lysosomes contain hydrolytic enzymes that catalyzes the degradation of fat by hydrolyzing the…
Q: For any antibiotic compounds that don’t appear to inhibit translation of proteins from the ribosome,…
A: Antibiotics that target translation interfere with the ribosome's assembly or processing.
Q: how did lysosome affect the gram positive and gram negative organism diffrently?
A: Lysozyme found in vesicle of lysosomes is a glycoside hydrolase that catalyzes the hydrolysis of…
Q: How does amoeba ingest a food particle through the process of phagocytosis?
A: Amoeba An amoeba is an eukaryotic unicellular organism that has ability to change shape.
Q: Why Lysosomes Are Know As “the Cleaners” Of The Cell Waste?
A: The cytoplasm and other organelles are contained within the cell membrane. Allows needed elements to…
Q: How does FtsZ find the cell midpoint of a rod-shaped cell?
A: Step 1 Filamenting temperature-sensitive mutant Z (FtsZ) is a protein encrypted by the ftsZ gene. It…
Q: How does a rod-shaped bacterial cell differ morphologically if its MreB function is disrupted?
A: MreB protein is similar to actin protein of eukaryotes. It helps in determination of cell shape and…
Q: Considering prokaryotic flagella, how does the structure of the flagella influence the specific…
A: Flagella is the primary organ of prokaryotic locomotion. It guides prokaryotes in direction in…
Q: Distinguish cytokinesis from karyokinesis.
A: The cell division is the process by which a cell divides into daughter cells. This is a part of the…
Q: What is the relationship of osmosis to enzymatic browning?
A: Enzymatic browning is a process of food turning brown in color. Enzymic browning is an oxidation…
Q: How are phagocytosis and pinocytosis similar? How are theydifferent?
A: The plasma membranes of the cells are selectively permeable to various biomolecules and ions. To…
Q: zation occurs predominantly at the minus (-) ends of microtubules. Polymerization is favored…
A: Cell biology is study of the cell and how they grow and how they communicate with each other. Cell…
Q: What is the function of porins and where are they located in agram-negative cell wall?
A: Bacteria according to their cell wall structure are divided into two types namely : gram-negative…
Q: Why do these nuclear pores have to be larger in diameter than the channels in the cell’s plasma…
A: The cells are the primary unit of life. Based on the number of cells an organism may be prokaryotic…
Q: Why are enzymes so important for the cell to maintain? What happens to the cell when they are…
A: Enzymes are proteins that assist with accelerating metabolism, or the compound responses in our…
Q: How does receptor- mediated endocytosis differ from phagocytosis?
A: Introduction: Pathogens And Cell Detritus Are Removed Through Phagocytosis, Which Is A Significant…
Q: What will happen if the cells inside ypur body will stop drinking or eating substances?Are…
A: Food is a material made up mostly of protein, carbohydrate, fat, and other nutrients that is used in…
Q: What roles do microtubules play in movement by cilia and flagella?
A: Cilia and Flagella are dynamic cytoplasmic filamentous structures that protrude through the cell…
Q: Why are bacteria generally resistant to hypotonic environments, whereas animal cells are not?
A: Bacteria is a member of a large group of unicellular microorganisms. It is classified into different…
Q: A cell line always requires enzymatic dissociation before it can be distributed between new culture…
A: Enzymatic dissociation is the process of releasing cells from tissue by digesting cut-up tissue…
Q: the effect of lysosome on bacterial cells?
A: Lysosomes are suicidal bags of our body or cell. In our cell, it is the membrane-bound structure…
Q: w does the rate of diffusion and surface-to-volume ratio limit cell size?
A: The faster the rate of diffusion, the higher the concentration difference. Because the particles…
Q: lles after centrifugation?
A: A centrifuge works by utilizing the principle of sedimentation: below the influence of gravitational…
Q: What is the thing that does not allow the permanent cell to divide normally in Amitosis like…
A: Amitosis is a method of direct cell division in which the nucleus divides in two daughter nuclei…
Q: Why is it important that the cell filters what comes in and out of it?
A: Introduction Cells are compartmentalized structures which are enclosed by the cell membranes. These…
How does a cell balance exocytic
and endocytic events to keep its
plasma membrane a constant size?
Step by step
Solved in 2 steps
- Which of the following is not true about phagocytosis?(a) It is a form of exocytosis.(b) It is energy dependent.(c) It only occurs in eukaryotes.(d) A larger cell engulfs a smaller cell that will eventually bepresent in an internal vacuole.(e) It requires fusion of internal lysosomes to engulfed vac-uole for contents to be digestedWhich of the cytoskeletal structures depicted provide resistance against mechanical stress (think about the disease that causes blistering of the skin with the slightest touch)?Which of the following mechanisms is used to internalize soluble proteins that need to be brought into the cell? O Receptor mediated endocytosis COPII coated vesicles COPI coated vesicles Retrograde transport O Autophagy Previous
- Cytochalasin D inhibits the formation of microfilaments. Which of the following biological activities will be affected? Select all that apply. Formation of nuclear lamin network Formation of cleavage furrow in telophase U Cytosolic transport of secretory vesicles Movement of phagocytic cellswhy does a cell require both active and passive transport?Which cell organelle functions as “seggregation apparatus”?
- What are the side effects of Leakage of charge (predominately K1) across theplasma membrane?List and describe the three main types of cytoskeleton. If you wanted to do immunocytochemistry to specifically stain each type of cytoskeleton, what is a protein that could be used for each cytoskeletal type (in other words, what is a unique protein for each cytoskeletal type)? What are three types of actin structures? Describe the involvement of actin structures in cell migration. How is the growth and shrinking of microtubules regulated? Then describe the roles of microtubules in: chromosomal separation during mitosis and the movement of organelles and vesicles within a cell. Describe a possible mechanism on how signaling pathways might impact the cytoskeleton, so that cell migration could be regulated in a localized manner within a multicellular organism. (hint: think about the possible transcriptional regulation of the G-protein regulators) What are 2 main challenges of protein targeting? Then describe one way these challenges are overcome during signal-based targeting and one way…Which of the following cytoskeletal proteins is needed for phagocytosis, amoeboid movements, cytoplasmic streaming, cytokinesis, and contraction of skeletal muscle fibers (in some eukaryotic cells)?