Homework Answers
Answer. 4. A cell nucleus, bacterial cell lacks a well-defined nuclei.
- true, Peptidoglycan is present in the cell wall of bacteria, which is made up of disaccharides and certain amino acids. It maintains the shape of the cell.
- yes true, bacteria contain single circular chromosome and it is called genophore
- true, Do not have membrane-bound organelle or any other membrane-bound structure, therefore, no internal membrane present.
- true, the bacterial cell contains the plasmid who replicate autonomously and play an important role in genetic engineering application.
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Question 35 1 pts Which of the following is not a character of the bacteria? Peptidoglycan...
Complete the following chart concerning bacteria, archaea and eukaryotic cells. Bacteria Archaea Eukarya True nucleus: No...
Complete the following chart concerning bacteria, archaea and eukaryotic cells. Bacteria Archaea Eukarya True nucleus: No nucleus No nucleus Has a nucleus Some have a nucleus Pasilas Plasmids: Plasmids are common Plasmids are uncommon Plasmids are common No plasmids Organelles (mitochondria, ER, golgi): No organelles Many organelles Few organelles No organelles Peptidoglycan cell walls: No peptidoglycan Peptidoglycan present No peptidoglycan Some peptidoglycan present
This week you will start the tree with the three clades: Bacteria, Archaea, and Eukarya. Add...
This week you will start the tree with the three clades:
Bacteria, Archaea, and Eukarya. Add the following traits to the
tree where they appear:
ester bonds in cell membranes
ether bonds in cell membranes
presence of membrane-bound nucleus
presence of membrane-bound organelles
presence of histones
DNA as genetic storage
presence of peptidoglycan in cell wall
Include the following species under the correct clade:
- american black bear
- Escherichia coli
-Methanobrevibacter smithii
Prokaryotes Chart Bacteria Archaea Eukarya Type of...
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids...
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids from outside the cell. A bacterium that contains an F plasmid connects to a recipient bacterium that lacks an F plasmid with an appendage called a pilus, through which the plasmid is transferred. Some bacterial DNA fragments may be included when new phage particles are assembled. A cell can be treated to make it competent to take up DNA from its environment. When a...
Bacterial cells Complete the following paragraph to describe the components of bacterial cells. Prokaryotes are surrounded...
Bacterial cells Complete the following paragraph to describe the components of bacterial cells. Prokaryotes are surrounded by a to regulate the entry and exit of materials through the cell, the help maintain cell shape and structure, and the(when present) to aid in attachment and evasion. that contains the glycocalyx to fimbriae cell envelope conjugation pili cyanobacteria cytoplasm cell wall flagella The DNA of a prokaryote is arranged in a single coiled chromosome located in Some prokaryotes carry genes on extrachromosomal...
Question 8 4 pts Which statement best describes the overall function/purpose of interphase? Hint: Cell Cycle...
Question 8 4 pts Which statement best describes the overall function/purpose of interphase? Hint: Cell Cycle and Interphase video • Textbook chapter 10 section 10.2 To divide a parent cell into two identical daughter cells. To double the number of chromosomes. To duplicate all of the cellular contents. To convert a haploid nucleus into a diploid nucleus. To condense and package the DNA into tightly wound chromosomes. Which statement does NOT correctly describe the bacterial chromosome? Hint: • Binary Fission...
Which of the following statements is not true regarding the differences between bacteria, archaea, and eukaryotes?...
Which of the following statements is not true regarding the differences between bacteria, archaea, and eukaryotes? a) Flagella are found on bacteria, archaea and eukaryotes yet they all vary in b Bacteria and archaea have circular chromosomes in a nucleoid region ) The cell walls of bacteria and archaea both contain the complex d) Ribosomal RNA sequencing revealed that the structure of the ribosomal structure whereas eukaryotes have linear chromosomes that are enclosed in a nuclear membrane macromolecule peptidoglycan, whereas...
Which of the following is the additional DNA found in some bacteria that replicate independent of...
Which of the following is the additional DNA found in some bacteria that replicate independent of the cell division? Group of answer choices Nucleus Nucleoid Plasmid Chromosome Nucleosome
Which of the following has peptidoglycan as a major constituent of cell wall? A. Gram-negative bacteria...
Which of the following has peptidoglycan as a major constituent of cell wall? A. Gram-negative bacteria B. Gram-positive bacteria C. Fungi D. None of these
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by...
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
Part A Which of the following statements accurately describes bacterial cell walls? In bacteria with acid-tast...
Part A Which of the following statements accurately describes bacterial cell walls? In bacteria with acid-tast cell walls, the carboxylic acid in the walls forms a layer outside a thin layer of hydrophilic polypeptides. The cell walls of gram-negative bacteria contain many more layers of peptidoglycan than those of gram-positive bacteria. In gram-negative bacteria, the thin layer of peptidoglycan is surrounded by an outer membrane made of phospholipids, lipopolysaccharides, and proteins Gram-negative bacterial cell walls contain teichoic acids, whereas the...
Complete the following chart concerning bacteria, archaea and eukaryotic cells. Bacteria Archaea Eukarya True nucleus: No nucleus No nucleus Has a nucleus Some have a nucleus Pasilas Plasmids: Plasmids are common Plasmids are uncommon Plasmids are common No plasmids Organelles (mitochondria, ER, golgi): No organelles Many organelles Few organelles No organelles Peptidoglycan cell walls: No peptidoglycan Peptidoglycan present No peptidoglycan Some peptidoglycan present
This week you will start the tree with the three clades:
Bacteria, Archaea, and Eukarya. Add the following traits to the
tree where they appear:
ester bonds in cell membranes
ether bonds in cell membranes
presence of membrane-bound nucleus
presence of membrane-bound organelles
presence of histones
DNA as genetic storage
presence of peptidoglycan in cell wall
Include the following species under the correct clade:
- american black bear
- Escherichia coli
-Methanobrevibacter smithii
Prokaryotes Chart Bacteria Archaea Eukarya Type of...
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids from outside the cell. A bacterium that contains an F plasmid connects to a recipient bacterium that lacks an F plasmid with an appendage called a pilus, through which the plasmid is transferred. Some bacterial DNA fragments may be included when new phage particles are assembled. A cell can be treated to make it competent to take up DNA from its environment. When a...
Bacterial cells Complete the following paragraph to describe the components of bacterial cells. Prokaryotes are surrounded by a to regulate the entry and exit of materials through the cell, the help maintain cell shape and structure, and the(when present) to aid in attachment and evasion. that contains the glycocalyx to fimbriae cell envelope conjugation pili cyanobacteria cytoplasm cell wall flagella The DNA of a prokaryote is arranged in a single coiled chromosome located in Some prokaryotes carry genes on extrachromosomal...
Question 8 4 pts Which statement best describes the overall function/purpose of interphase? Hint: Cell Cycle and Interphase video • Textbook chapter 10 section 10.2 To divide a parent cell into two identical daughter cells. To double the number of chromosomes. To duplicate all of the cellular contents. To convert a haploid nucleus into a diploid nucleus. To condense and package the DNA into tightly wound chromosomes. Which statement does NOT correctly describe the bacterial chromosome? Hint: • Binary Fission...
Which of the following statements is not true regarding the differences between bacteria, archaea, and eukaryotes? a) Flagella are found on bacteria, archaea and eukaryotes yet they all vary in b Bacteria and archaea have circular chromosomes in a nucleoid region ) The cell walls of bacteria and archaea both contain the complex d) Ribosomal RNA sequencing revealed that the structure of the ribosomal structure whereas eukaryotes have linear chromosomes that are enclosed in a nuclear membrane macromolecule peptidoglycan, whereas...
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
Part A Which of the following statements accurately describes bacterial cell walls? In bacteria with acid-tast cell walls, the carboxylic acid in the walls forms a layer outside a thin layer of hydrophilic polypeptides. The cell walls of gram-negative bacteria contain many more layers of peptidoglycan than those of gram-positive bacteria. In gram-negative bacteria, the thin layer of peptidoglycan is surrounded by an outer membrane made of phospholipids, lipopolysaccharides, and proteins Gram-negative bacterial cell walls contain teichoic acids, whereas the...
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