Homework Answers
Question 3
The Griffith experiment show that when heat killed S bacteria by transforming principle to non-virulent R bacteria. Hence, option C is correct.
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Question 3 of 20 : Select the best answer for the question 3. In a series...
D 18) How did Avery, MacLeod, and McCarty demonstrate that Griffith's transforming principle was DNA? A)...
D 18) How did Avery, MacLeod, and McCarty demonstrate that Griffith's transforming principle was DNA? A) Injecting live S-strain bacteria alone could not kill a mouse. B) Injecting heat-killed S-strain bacterial alone could not kill a mouse. C) Heat-killed S-strain bacterial transformed live R-strain bacteria into live S-strain bacteria. D) DNase, an enzyme that destroys DNA, eliminated the biological activity of the transforming material. E) RNase, an enzyme that destroys RNA, had no effect on the transforming principle.
Need help with number 1,5,6,7 and 8 please Restriction enzymes are a.) bacterial enzymes that elongate...
Need help with number 1,5,6,7 and 8 please
Restriction enzymes are a.) bacterial enzymes that elongate DNA b.) viral enzymes that destroy host DNA c.) bacterial enzymes that destroy incoming foreign DNA d.) animal enzymes that splice RNA Mice that are injected with only the R strain of Streptococcus pneumoniae a.) become sick and then recover b.) stay healthy, this is a non-virulent strain c.) are killed, this is the virulent strain Mice that are injected with only the S...
Use the table to answer the question. In 1928, Frederick Griffith injected four groups of mice...
Use the table to answer the question. In 1928, Frederick Griffith injected four groups of mice with different strains of the bacteria, Streptococcus pneumoniae. The smooth strain had a polysaccharide capsule that protected the bacteria from the mouse's immune system. The rough strain did not have this capsule. The details of each group and the results of the experiment are shown in the table below. Bacteria After injection with bacteria Group 1 smooth strain mice died Group 2 rough strain...
QUESTION 2 ow did Grifth perfrm his transformation experiments? O He mixed a heat-killed pathogenic strain...
QUESTION 2 ow did Grifth perfrm his transformation experiments? O He mixed a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain to convert some of the living cells into the pathogenic form. O He infected mice with a pathogenic strain of bacteria to test whether the mice can become resistant to the pathogen (i.e., they are transformed). O He mixed strains together to test which grew the fastest. O He mixed two pathogenic strains of bacteria to test...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four different types of nucleotides? An alien species was discovered that has DNA comprised of 6 diferent bases: binds to C: A binds to and X binds to Y Approximately 10% of this allen genome is comprised of nucleotides containing Cand 22% is comprised of nucleotides containing Y. Given this information, calculate the percentage of the alien genome that is comprised of nucleotides containing GTA...
Question 1a Frederick Griffith is known for a classic experiment carried out in 1928. He identified...
Question 1a Frederick Griffith is known for a classic experiment carried out in 1928. He identified the action of a hereditary biomolecule when he observed... a. isolation of pure DNA molecules from a bacterial cell using detergents and alcohol to spool out a long mucus-like mass. b. a phenotypic change, a transformation, of a bacteria that formed a rough colony (R strain) into bacteria that formed a smooth colony (S strain) when the R strain was exposed to dead S...
1. 3 pts each 30 pts total) Fill in each blank with the best word or phrase selected from the lis...
1. 3 pts each 30 pts total) Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once charged transduction lytic - strand promoter RBS lysozyme conjugation retrovirus RNA sigma factor clear origin transformation uncharged recombination +strand lysogen pause site cloudy Before transcription can begin, RNA polymerase finds the location and direction of a gene within the DNA based...
mays is a diploid species with 10 pairs of chromosomes in each somatic cell. How many...
mays is a diploid species with 10 pairs of chromosomes in each somatic cell. How many chromosomes will be found per cell in each of the following chromosome mutants? Questions 64 to 67 are connected 64) Trisomy? E) 21 D) 30 A) 19 B) 22 65) Monosomy E) 21 A) 19 B) 22 C) 60 66) triploid E) 21 B) 22 67) Tetrasomy D) 30 E) 21 A) 19 B) 22 68) Species I has 2n -12 chromosomes and species...
1. Read through the INTRODUCTION. Answer the questions in between each historical section. PRE-LAB: LAB EXERCISE...
1. Read through the INTRODUCTION. Answer the questions in
between each historical section.
PRE-LAB: LAB EXERCISE 7 Directions: Use the lab manual to answer the following questions in COMPLETE SENTENCES AND IN YOUR OWN WORDS. Use your own handwriting, do NOT type! 1. Read through the INTRODUCTION. Answer the questions in between each historical section: . . . . m . N m - N The Evidence : 1869-1924 1869: DNA, first called nuclein, is identified in cell nuclei of...
Question 18 of 20 : Select the best answer for the question. 18. is the bacteria...
Question 18 of 20 : Select the best answer for the question. 18. is the bacteria responsible for most bacterial foodborne illness. O A. Escherichia coli O B. Salmonella O C. Campylobacter jejuni O D. Clostridium perfringens Mark for review (Will be highlighted on the review page)
D 18) How did Avery, MacLeod, and McCarty demonstrate that Griffith's transforming principle was DNA? A) Injecting live S-strain bacteria alone could not kill a mouse. B) Injecting heat-killed S-strain bacterial alone could not kill a mouse. C) Heat-killed S-strain bacterial transformed live R-strain bacteria into live S-strain bacteria. D) DNase, an enzyme that destroys DNA, eliminated the biological activity of the transforming material. E) RNase, an enzyme that destroys RNA, had no effect on the transforming principle.
Need help with number 1,5,6,7 and 8 please
Restriction enzymes are a.) bacterial enzymes that elongate DNA b.) viral enzymes that destroy host DNA c.) bacterial enzymes that destroy incoming foreign DNA d.) animal enzymes that splice RNA Mice that are injected with only the R strain of Streptococcus pneumoniae a.) become sick and then recover b.) stay healthy, this is a non-virulent strain c.) are killed, this is the virulent strain Mice that are injected with only the S...
Use the table to answer the question. In 1928, Frederick Griffith injected four groups of mice with different strains of the bacteria, Streptococcus pneumoniae. The smooth strain had a polysaccharide capsule that protected the bacteria from the mouse's immune system. The rough strain did not have this capsule. The details of each group and the results of the experiment are shown in the table below. Bacteria After injection with bacteria Group 1 smooth strain mice died Group 2 rough strain...
QUESTION 2 ow did Grifth perfrm his transformation experiments? O He mixed a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain to convert some of the living cells into the pathogenic form. O He infected mice with a pathogenic strain of bacteria to test whether the mice can become resistant to the pathogen (i.e., they are transformed). O He mixed strains together to test which grew the fastest. O He mixed two pathogenic strains of bacteria to test...
Part D Now can you predict nucleotide quantities in a hypothetical scenario with more than four different types of nucleotides? An alien species was discovered that has DNA comprised of 6 diferent bases: binds to C: A binds to and X binds to Y Approximately 10% of this allen genome is comprised of nucleotides containing Cand 22% is comprised of nucleotides containing Y. Given this information, calculate the percentage of the alien genome that is comprised of nucleotides containing GTA...
1. 3 pts each 30 pts total) Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase should be used only once charged transduction lytic - strand promoter RBS lysozyme conjugation retrovirus RNA sigma factor clear origin transformation uncharged recombination +strand lysogen pause site cloudy Before transcription can begin, RNA polymerase finds the location and direction of a gene within the DNA based...
mays is a diploid species with 10 pairs of chromosomes in each somatic cell. How many chromosomes will be found per cell in each of the following chromosome mutants? Questions 64 to 67 are connected 64) Trisomy? E) 21 D) 30 A) 19 B) 22 65) Monosomy E) 21 A) 19 B) 22 C) 60 66) triploid E) 21 B) 22 67) Tetrasomy D) 30 E) 21 A) 19 B) 22 68) Species I has 2n -12 chromosomes and species...
1. Read through the INTRODUCTION. Answer the questions in
between each historical section.
PRE-LAB: LAB EXERCISE 7 Directions: Use the lab manual to answer the following questions in COMPLETE SENTENCES AND IN YOUR OWN WORDS. Use your own handwriting, do NOT type! 1. Read through the INTRODUCTION. Answer the questions in between each historical section: . . . . m . N m - N The Evidence : 1869-1924 1869: DNA, first called nuclein, is identified in cell nuclei of...
Question 18 of 20 : Select the best answer for the question. 18. is the bacteria responsible for most bacterial foodborne illness. O A. Escherichia coli O B. Salmonella O C. Campylobacter jejuni O D. Clostridium perfringens Mark for review (Will be highlighted on the review page)
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