Homework Answers
According to my knowledge there are no membrane bound cell organelle like nucleus chloroplast mitochondria hence option 5 None of above is correct .
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Which of the following processes is performed by a membrane-bound organrile in a Gran negative bacterial...
QUESTION 5 Animal cells have a negative membrane potential; why is this O A. All of...
QUESTION 5 Animal cells have a negative membrane potential; why is this O A. All of these answers are correct B. Respiration produces an abundance of acidic metabolites. C. None of these answers are correct OD. Proton pumps in the plasma membrane pump H+ out of the cell. O E. Sodium-potassium pumps export more Na+ than they import K+ into the cell.
Which of the following statements about Archaean species and Bacterial species is true? Only one has...
Which of the following statements about Archaean species and Bacterial species is true? Only one has a prokaryotic cell type. Members of these two domains have a similar membrane structure. Members of both domains lack membrane-bound organelles. Both domains include methanogens. Both have their DNA packaged into nuclei.
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b)...
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b) respiration Oc) mitosis Od) meiosis O e) mutation Question 2 (1 point) Which of the following diseases is not hereditary? O a) sickle-cell anemia O b ) cystic fibrosis c) diabetes d) arthritis O e) none of the above Question 3 (1 point) was an early pioneer in the field of genetics with his famous experiments with pea plants. a) Mendel Ob) Linnaeus OC)...
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...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of cell has ribosomes? Prokaryotes 4 eukaryote 5. Which type of cell has cell membranes? Prokaryotes deukaryo Quick Eukaryotic Cell Function Questions: 1. What is the endoplasmic reticulum composed of? folded membranes 2. What is the largest organelle of the cell? 3. Which organelle is responsible for releasing energy from sugar? 4. Which organelle packages and distributes organic compounds? 5. The controls the passage of...
20.) The term spheroplast applies to a gram-negative bacterial cell which .......? A.) is likely to...
20.) The term spheroplast applies to a gram-negative bacterial
cell which .......?
A.) is likely to lyse due to the osmosis shock
b.) is just about to ready to produce a spore
c.) is fighting off an infection by becteriophages
d.) has lost its peptidoglycan layer of the cell wall
e.) is lacking a cell wall
17) Peptidoglycan is a polymer consisting of the following chemical constituents (1 pts) ON-acetyglucosamine (AGA), N-acetylmuramic acid, and a peptide chain ON-AGA, N-AMA, teichoic...
Zithromycin inhibits protein synthesis in bacteria. However, it cannot cross gram-negative bacteria cell walls. Would you expect zithromycin...
Zithromycin inhibits protein synthesis in bacteria. However, it cannot cross gram-negative bacteria cell walls. Would you expect zithromycin to be broad or narrow spectrum? Why? Amphotericin B disrupts the plasma membrane by binding to sterols. Why can’t it be used to treat bacterial infections? Match the following processes with the statements listed below. (Answers may be used more than once.) a. transcription b. translation c. DNA replication Ciprofloxacin inhibits DNA helicase. Which process is inhibited? _______________ RCT is a nucleotide substitute for uracil. Which process is inhibited? ___________ Tetracycline...
Question 22 5 pts Which statement does NOT correctly describe the bacterial chromosome? Hint: Binary Fissione...
Question 22 5 pts Which statement does NOT correctly describe the bacterial chromosome? Hint: Binary Fissione video • Textbook chapter 10 section 10.5 There is a single, circular chromosome The DNA is organized with associated histone proteins. There is usually only one starting point of replication The chromosome is attached to the plasma membrane. Genes that are involved in causing uncontrolled cell division are known as Hint: • Uncontrolled Cell Cycle u video • Textbook chapter 10 section 10.4 housekeeping...
Which scientist / experiment provided the most compelling evidence to disproved Aristotle's theory of Spontaneous generation?...
Which scientist / experiment provided the most compelling evidence to disproved Aristotle's theory of Spontaneous generation? 1) Pasteur's swan neck experiment 2) Lazzaro's mutton broth experiment 3) Redi's flask and meat experiment 4) Pasteur's flask and meat experiment Antibiotic resistance genes may be transferred from one bacteria to another by conjugation via.... 1) the sex pilus 2) porins 3) chemotaxis 4) gas vacuoles Which of the following is not true of Gram-positive bacteria? 1) Posess an outer membrane composed of...
QUESTION 5 Bacteria and other microbes can be affected by all of the following environmental conditions...
QUESTION 5 Bacteria and other microbes can be affected by all of the following environmental conditions except pH Temperature Osmotic pressure Other organisms There are no exceptions QUESTION 6 Gram stain is based on differences in the cell's o inclusions. ribosomes. wall. membrane. flagella. QUESTION 7 Bacterial endospores are not produced by O Bacillus. Staphylococcus. Clostridium. Sporosarcina. All of the choices are correct. QUESTION 8 Which of the following is not a characteristic of bacteria? o Its DNA is wrapped...
QUESTION 5 Animal cells have a negative membrane potential; why is this O A. All of these answers are correct B. Respiration produces an abundance of acidic metabolites. C. None of these answers are correct OD. Proton pumps in the plasma membrane pump H+ out of the cell. O E. Sodium-potassium pumps export more Na+ than they import K+ into the cell.
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b) respiration Oc) mitosis Od) meiosis O e) mutation Question 2 (1 point) Which of the following diseases is not hereditary? O a) sickle-cell anemia O b ) cystic fibrosis c) diabetes d) arthritis O e) none of the above Question 3 (1 point) was an early pioneer in the field of genetics with his famous experiments with pea plants. a) Mendel Ob) Linnaeus OC)...
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...
3. Which type of cell has membrane-bound organelles, like a mitochondria? Cukan 4. Which type of cell has ribosomes? Prokaryotes 4 eukaryote 5. Which type of cell has cell membranes? Prokaryotes deukaryo Quick Eukaryotic Cell Function Questions: 1. What is the endoplasmic reticulum composed of? folded membranes 2. What is the largest organelle of the cell? 3. Which organelle is responsible for releasing energy from sugar? 4. Which organelle packages and distributes organic compounds? 5. The controls the passage of...
20.) The term spheroplast applies to a gram-negative bacterial
cell which .......?
A.) is likely to lyse due to the osmosis shock
b.) is just about to ready to produce a spore
c.) is fighting off an infection by becteriophages
d.) has lost its peptidoglycan layer of the cell wall
e.) is lacking a cell wall
17) Peptidoglycan is a polymer consisting of the following chemical constituents (1 pts) ON-acetyglucosamine (AGA), N-acetylmuramic acid, and a peptide chain ON-AGA, N-AMA, teichoic...
Question 22 5 pts Which statement does NOT correctly describe the bacterial chromosome? Hint: Binary Fissione video • Textbook chapter 10 section 10.5 There is a single, circular chromosome The DNA is organized with associated histone proteins. There is usually only one starting point of replication The chromosome is attached to the plasma membrane. Genes that are involved in causing uncontrolled cell division are known as Hint: • Uncontrolled Cell Cycle u video • Textbook chapter 10 section 10.4 housekeeping...
QUESTION 5 Bacteria and other microbes can be affected by all of the following environmental conditions except pH Temperature Osmotic pressure Other organisms There are no exceptions QUESTION 6 Gram stain is based on differences in the cell's o inclusions. ribosomes. wall. membrane. flagella. QUESTION 7 Bacterial endospores are not produced by O Bacillus. Staphylococcus. Clostridium. Sporosarcina. All of the choices are correct. QUESTION 8 Which of the following is not a characteristic of bacteria? o Its DNA is wrapped...
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