Which of the following were once bacteria? (select all that apply)  a) mitochondria b) chloroplasts c) nuclei d) golgi apparatus e) endoplasmic reticulum

Q: Pinocytosis can bring all of the following substances into most eukaryotic cells, with the exception…

A: Introduction  Cells are compartmentalized structures which are enclosed by the cell membranes. These…

Q: . In what ways are bacteria and archaea essential to eukaryotic life?

A: Microorganisms are broadly grouped into Bacteria, viruses, algae, fungi, and protozoa.…

Q: How is the finding of ribosomes inside mitochondria and chloroplasts explained?

A: Human body is made up of cells and they eat food such as veggies to get energy  to do activities…

Q: Virtually all eukayotic organisms have this organelle suggesting they evolved in an aerobic world.…

A: Cell is the basic structural, functional, and biological unit of all known organisms. The cell…

Q: What relationships exist between cytoskeletal proteins inBacteria and those in eukaryotes?

A: The cytoskeleton is a complex, dynamic network of interlinking protein filaments present in the…

Q: What types of biological abilities can be combined to create more capable, more complex cells? How…

A: NOTE: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Give an organelle found in the plant cell that is NOT found in animal or bacterial cells.   Group of…

A: Cell biology is study of the cell and how they grow and how they communicate with each other.   Cell…

Q: Ribosomes can normally be found in all of the following eukaryotic cell locations except: the outer…

A: Ribosomes are dense granules. These were discovered by Palade in animal cells in the year 1955.…

Q: In order to transform a bacteria, the cell wall should be perforated either through physical or…

A: The cell wall is the very outer membrane of the cell. It has a rigid, semi-permeable protective…

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 structures is present in a prokaryotic cell? Group of answer choices…

A: Cell is the basic structural and functional unit of life.

Q: Which of the following statements supports the concept of the endosymbiotic theory? A. Proteins may…

A: The endosymbiotic theory explains the origin of mitochondria and chloroplast and also the formation…

Q: Who discovered the cytoplasm?

A: The cytoplasm is a matrix found inside the cell where all the cell organelles are lodged. The…

Q: What do the cells labeled A and B have in common that is lacking in C? (pick one) 1. nucleus 2.…

A: Option 1 is the answer.Nucleus.

Q: Are there chloroplasts in cyanobacteria?

A: Cyanobacteria are the autotrophic bacteria which can conduct photosynthesis.

Q: Give the respective structural descriptions and functions of the following: 1. Cell Membrane 2.…

A: Cell is an elemental unit of the body in which numerous metabolic activities are performed . Cell…

Q: Pinocytosis can bring all of the following substances into most eukaryotic cells, with the exception…

A: Pinocytosis is a type of endocytosis that brings the small particles along with the fluids into the…

Q: How many types of bacteria are there?

A: Bacteria is the most important component of the cellular life on Earth and are found everywhere from…

Q: What is the function of periplasmic space in a bacterial cell

A: In gram-negative bacteria, the periplasm can make up to 40% of the total cell volume, but in…

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: When did prokaryotic cells first appearon Earth?

A: The age of Planet Earth is around 4.5 billion years. It was formed when a swirling mass of gas and…

Q: What is the origin of mitochondria and chloroplasts?

A: Endosymbiosis is a mutually beneficial relationship between the host organism and an internal…

Q: All of the following are characteristics of the bacterial flagellum except: Select one: a. It has a…

A: c. It is used in conjugation NO PILI ARE USED

Q: How did the eukaryotic cell originate?

A: Cells are the basic unit of life as no living organism can have life without being cellular because…

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: 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: According to the endosymbiotic theory, why did the primitive eukaryotic cell fail to digest the…

A: Answer 2: is correct

Q: Are bacteria the only prokaryotic beings?

A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…

Q: From which microbe did mitochondria arise? What is the reason behind this belief?

A: Mitochondria is a cell organelle that is the double membrane-bound structure present in the cell.…

Q: Pinocytosis can bring all of the following substances into most eukaryotic cells, with the exception…

A: Pinocytosis is a type of endocytosis which brings the small particles along with the fluids into the…

Q: The lysosome a. is a vesicle for food. b. contains oxidase enzymes. c. adds carbohydrate chains…

A: Ans:-  Q.1 Option (e) is right ---- has a pH of about 5. expanation:- All of the lysosomal enzyme…

Q: Which of the following statements about ribosomes is always true? all prokaryotic ribosomes are…

A: Ribosomes are sites of protein synthesis. They contain equal amount of RNA and protein . Ribosomes…

Q: What is Organellar genome?

A: A cell contain nucleus inside which the genome is present. Genome represents all the genes present…

Q: Can we think of a eukaryotic cell as being a cellular factory ?

A: Introduction: The cell, as well as other tissues, is regarded as life's fundamental unit, and any…

Q: Some bacteria have a tube which allows materials to move directly into or out of the cytoplasm. This…

A: Bacteria may or may not poses surface appendages. Mainly three types of surface appendages can be…

Q: Examples of inclusion bodies in bacterial cytoplasm are _____________ and _____________ .

A: Aggregates of protein that are insoluble in nature are known as Inclusion bodies. These are…

Q: What implications does the complex hydrophobic mycobacterial cell wall have in terms of treating…

A: The cell wall structure of Mycobacterium tuberculosis has many special features that make them…

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: Why are bacteria so small?

A: A cell is the basic key of life that is capable of performing all the functions of life and also…

Q: What is meant by the term "streptobacillus"? a-bacteria that are rods and arranged in grapelike…

A: Streptobacillus is gram negative bacteria.  It is non motile and non spore forming bacteria.

Q: Why is oxygen toxic to some bacteria?

A: every bacteria has its optimum condition

Q: What is the evolutionary significance of the enzymes; superoxide dismutase, catalase and peroxidase?

A: The enzymes can enhance the rate of the chemical reaction faster without changing themselves. It…

Q: Pseudopeptidoglycan is a characteristic of the walls of ________. a. eukaryotic cells b. bacterial…

A: The cell is the basic part of life for the living beings on this planet. Cells are made up of…

Q: Let's say a cell is making hemoglobin molecules. What organelle will actually put the hemoglobin…

A: Protein synthesis is a biological process occurring following transcription and translation of genes…

Q: If mitochondria originated as proteobacteria and chloroplasts are descended from cyanobacteria,…

A: A cell is the basic key of life that is capable of performing all the functions of life and also…

Q: How do scientists know that mitochondria and chloroplasts were likely once free-living prokaryotes?…

A: The mitochondrion and the chloroplast are both organelles that were once free-living cells. They…

Q: Which of the following cell components is not visible using a compound light microscope?   a. Nuclei…

A: Both the plant cells and animal cells have some unique characteristics. The presence of plastids and…

Q: What features of mitochondria and chloroplasts are consistent with an endosymbiotic origin of the…

A: The endosymbiotic theory : It is the evolutionary theory of origin of eukaryotic cells ( advanced…

Q: What are the three cytoskeletal elements observed in eukaryotic cells? What are their functions? Do…

A: The cytoskeleton is a structure that allows the cell to maintain its shape and organization of…

Q: What is a prophage in biology?

A: The viruses that infect bacteria are termed as bacteriophage. Bacteriophage uses two different…