Q: Are bacteria uni- or multicellular? What about the chains or colonies seen in slides and diagrams?…
A: Introduction Bacteria Are Minute, Single-celled Organisms That Can Be Found In Large Numbers In All…
Q: Members of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with…
A: Mycoplasma genus of bacteria -- Mycoplasmas are smallest self- replicating organisms with smallest…
Q: Bacteria lack independent internal membrane systems, but are able to perform photosynthesis and…
A: The biosphere comprises the abiotic and biotic constituents. Biotic components make up the living…
Q: A newly discovered pigmented microbe contains a capsule and flagella, but no chloroplasts or cilia.…
A: Prokaryotic organisms are single-celled organisms that are microscopic in size generally and lack…
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: The famous scientist Louis Pasteur incorrectly assumed that the process of fermentation was a…
A: The breakdown of carbohydrate under anaerobic condition is referred to as fermentation. So the…
Q: Nitrogen fixing bacteria can use atmospheric nitrogen as their sole source of nitrogen. Imagine you…
A: The microbes are grown in an artificial culture medium in a laboratory set up. These media provide…
Q: What is the structure of the bacterial flagella?
A: The whip-like structure attached to the prokaryotic and eukaryotic organisms which act as a…
Q: Why is the cell membrane described as a "fluid mosaic
A: A cell is a structural and functional unit of life. The structure and function of a cell have been…
Q: Gram-positive (+) and gram-negative (-) bacteria are characterized by differences in a. the cell…
A: Answer is c.) the cell wall: Gram + have a thick layer of peptidoglycan. Gram - have an outer…
Q: Could bacterial cell walls consist largely of protein? Why or why not?
A: A cell wall is a layer located outside the cell membrane found in plants, fungi, bacteria and algae.…
Q: When utilizing the microscope to identify the cells in an unknown sample, you notice that the cells…
A: Three domains are 1. Domain eukarya 2. Domain archaea 3. Domain bacteria
Q: What is the size of E. coli bacteria? What cellular organelle(s) are of a similar size to E.coli?…
A: Escherichia coli This is a Gram negative bacteria. It is a facultative anaerobic with rod shape…
Q: Which of the following components is not present in Gram-positive bacteria? O a. Lipopolysaccharide…
A: Ans. 1. Gram-positive bacteria: In bacteriology, these kinds of bacteria have a thick cell wall and…
Q: How do nanopores work?
A: DNA sequencing is a method to determine the arrangement of nucleotide within DNA. It is used to…
Q: What is the importance of having a unique membrane component, glycoproteins, among bacteria?
A: Peptidoglycans are a type of polymer made of sugar and amino acids. These polymers form the…
Q: The cell wall of bacteria is composed ofa. lipopolysaccharide.b. phospholipids.c. cellulose.d.…
A:
Q: Movement of bacterial cells was discussed at length in the bacterial structures simulation. What…
A: The R. The H. Whittaker classification system divides organisms into five major kingdoms. The…
Q: icrobiologists have announced the discovery of over 30 new species of bacteria that thrive between…
A: To identify : Over 30 new types of bacteria were discovered in between human teeth and gums that…
Q: Prokaryotic cells are_________ (larger/smaller) thaneukaryotic cells. The most common shapes of…
A: Prokaryotes: Any organisms that lacks a distinct nucleus and other organelles due to the absence of…
Q: Most medically useful antibiotics interfere with either peptidoglycan synthesis or ribosome…
A: Antibiotics are the antimicrobial drugs that prevent the growth of bacteria. These antibiotics have…
Q: We have discussed several bacterial structures that make good targets for antibiotics. Describe the…
A: Antibiotics are those antimicrobial agents which act against microorganisms especially bacteria.…
Q: ou isolated a new microorganism that has single cells and appear to lack a nucleus.Chemical analysis…
A: Three domains of life are Archaea, Bacteria, and the Eucarya. Prokaryotes include domain bacteria…
Q: Give the functions of the following bacterial structures. Cell wall Cell membrane LPS Ribosomes…
A: Bacteria are prokaryotic , ubiquitous microscopic structure which is one celled and is without any…
Q: A microbe that is completely dependent on host cells for processes like transcription and…
A: Microorganisms are the living organism which cannot be seen by our naked eyes. Such as viruses,…
Q: Microbiologists announced the discovery of over 30 new species of bacteria that thrive between the…
A: Microorganisms or microbes are microscopic organisms that exist as unicellular, multicellular, or…
Q: Why is a compartmentalized cytoplasm unusual in bacteria?
A: Bacteria are simply considered as prokaryotes means they are unicellular and lack nucleus and other…
Q: By what mechanism might organic molecules have been concentrated within a semipermeable membrane in…
A: The first living organisms that originated are protocells, which are membrane bound cells that could…
Q: Autotrophs are bacteria that obtain their energy through a-The Sun b-Dead organic material…
A: Autotrophs are able to make their own food from raw materials and energy. Heterotrophs are known as…
Q: Why is the rigid layer of the bacterial cell wall calledpeptidoglycan?
A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…
Q: 1) A newly discovered unicellular organism isolated from acidic mine drainage is found to contain a…
A: ▪︎ Eukaryotes are the organisms whose cells contain nucleus and other membrane bound organelles…
Q: Why is peptidoglycan such a strong molecule?
A: Peptidoglycan belongs to the category of the polymer as it is composed of numerous sugar and amino…
Q: let's say you are poking a needle thru a bacteria. which structure (a-f below) would the needle come…
A: Bacteria are prokaryotic cells characterised by the absence of nucleus and and membrane bound…
Q: Draw below a schematic representation of one lipopolysaccharide molecule from a prokaryotic cell…
A: The cell envelope is the complete combination of the cell membrane, cell wall, and an outer membrane…
Q: What is the structure being described? b. What is the chemical composition of this structure? c.…
A: Phagocytes are cells that protect the body by ingesting harmful foreign particles, bacteria, and…
Q: Which of the following are ordered correctly from LARGEST to SMALLEST? a. virus, yeast cell,…
A: Introduction Prokaryotic cells do not have a nucleus. Cells with a nucleus are considered to be…
Q: phospholipids, isoprene
A: The basic unit from cell membrane are built is phospholipid. This is a molecule of glycerol which…
Q: Which of the following is NOT characteristic of the glycocalyx found in bacteria? Select one: A) a…
A: Glycocalyx is an additional layer outside the cell wall of some bacteria two types of glycocalyx are…
Q: Describe the term nanopores
A: Deoxyribonucleic acid (DNA) sequencing is the process of determining the nucleic acid sequence in…
Q: We know that a short duration of UV radiation could kill a large number of the cells. We also know…
A: Yes, bacteria can survive in sunlight. There are two major reasons how bacteria are able to survive…
Q: how is this lipid part of archaea cell membrane ?
A: ARCHAEA BACTERIA: They are single celled organism belongs to kingdom Archaea. they are…
Q: Outline the major differences between bacterial, archaeal, and eukaryotic cells. How are they…
A: Carl Woese introduced the three-domain system. This system divides the life cellular form into the…
Q: Identify the cell structure providing for cell morphology in the Staphylococcus epidermidis and…
A: Cell morphology describes the shape, structure, form, and size of cells. In order to examine the…
Q: What are the three main differences between bacterial and archaeal membranes?
A: Archaea constitute a domain of single-celled organisms. These microorganisms lack cell nuclei and…
Q: What would happen if the plant and animal cell is placed in solutions A, B, C?
A: Tonicity is the ability of extracellular fluid to modify the volume of a cell via influencing…
Q: What has been the limiting factor in engineering microalgae toproduce greater amounts of lipids?
A: Microalgae are phototrophic eukaryotic unicellular species and they are found in fresh or marine…
Q: What are trace elements in the cell?
A: Cell is the basic structural and functional unit of life.
Q: what advantages might a bacterial species that forms multi-cellular arrangements eg; clusters or…
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
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- What has been the limiting factor in engineering microalgae toproduce greater amounts of lipids?Most medically useful antibiotics interfere with either peptidoglycan synthesis or ribosome function. Why would the cytoplasmic membrane (in general) be a poor target for antibacterial medications?Most medically useful antibiotics interfere with either peptidogly¬can synthesis or ribosome function. Why would the cytoplasmic membrane be a poor target for antibacterial medications?
- Why do human bite wounds often contain both aerobic and anaerobic bacteria?What phenomenon would you expect to see occurring under a microscope when healthy cells of E. coli bacteria are placed in a dish of distilled water? Briefly explain the underlying mechanism.What kind of enzymatic activities are required to grow the peptidoglycan cell wall?
- Most medically useful antibiotics interfere with either peptidoglycan synthesis or ribosome function. Why would the cell membrane be a poor target for antimicrobial medication?Are the bacteria pictured here Gram-positive, or Gram-negative?Why is it not safe to assume that two microorganisms with the same G + C content belong to the same species? In what ways are G + C content data taxonomically valuable?
- (b) E. coli has a protective cell envelope 10 nm thick. What percentage of the total volume of the bacterium does the cell envelope occupy? (c) E. coli is capable of growing and multiplying rapidly because it contains some 15,000 spherical ribosomes (diame- ter 18 nm), which carry out protein synthesis. What percent- age of the cell volume do the ribosomes occupy?In Methicillin resistant bacteria, what have the bacteria developed that allows them to stay alive in the presence of Methicillin?Describe facilitated diffusion, primary and secondary active transport, and group translocation in terms of their distinctive characteristics and mechanisms. What advantage does a bacterium gain by using active transport rather than facilitated diffusion?