Homework Answers
Answering first four questions as per HOMEWORKLIB RULES:
Answer to the fourth question from top to bottom order: 25%
Punnett square
AB Ab aB ab ab AaBb 25% Aabb 25% aaBb 25% aabb 25%
Answer 1. The order is a-b-c
Ans 5. X inactivation
Ans 3. AaXAa
Offsprings will be AA,Aa,Aa and aa
Sicle cell anaemia is autosomal recessive disorder in which aa will be the affected individual. Aa will be carriers and AA will be normal.
Ans 4. AaBb X aabb
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Question 1 (1 point) Given the following information: parental phenotypes in the progeny...
all of them please Question 12 (1 point) Which of the following conditions would kill amp'...
all of them please
Question 12 (1 point) Which of the following conditions would kill amp' lac his bacteria? amp = ampicillin (an antibiotic), lac = lactose (a carbohydrate), his = histidine (an amino acid) A) growing the bacteria in media that contained ampicillin, had lactose as the sole metabolic carbon source, and contained the amino acid histidine. B) growing the bacteria in media that contained ampicillin, had lactose as the sole metabolic carbon source, but did not contain the...
all please Question 2 (1 point) ✓ Saved In Drosophila, the mutant black (b) has a...
all please
Question 2 (1 point) ✓ Saved In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (v+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
alllll them please all To MOST readily demonstrate transformation of bacteria in the laboratory one could...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
all of them please Question 17 (1 point) If there is lots of tryptophan available, the...
all of them please
Question 17 (1 point) If there is lots of tryptophan available, the transcriptional output from the trp operon would be : A) basal B) very low C) very high Question 19 (1 point) Phosphate groups can be added to or removed from histones. Phosphates have an overall negative charge. You would expect the addition of phosphate groups to histone proteins would: A) tighten DNA binding to the histone due to charge repulsion B) cause the DNA...
all them please Question 23 (1 point) The A and B alleles in ABO blood types...
all them please
Question 23 (1 point) The A and B alleles in ABO blood types can give rise to an individual that is blog type AB. This specific blood type is an example of: A) multiple alleles B) epistasis C) codominance D) partial dominance Imagine the gene encoding the lac repressor was mutated so that lactose (more technically allolactose) no longer bound to the repressor. However, the lac repressor was still capable of binding DNA at the operator sequence....
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
all of them please Question 10 (1 point) In Drosophila, the mutant black (b) has a...
all of them please
Question 10 (1 point) In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (V+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
please all them Using the picture below, "G" represents a factor that fills in a small...
please all them
Using the picture below, "G" represents a factor that fills in a small gap between two DNA fragments by “sealing up" the phosphodiester backbone. This factor is called a: А A) single stranded binding protein B) ligase C) topoisomerase O A) single stranded binding protein B) ligase C) topoisomerase D) DNA polymerase III E) helicase Which of the lists below might contain sufficient ingredients to allow D. replication to occur in a test tube? A) primers, template...
1. (32 pts, total) Use the following information for the next 6 questions. The "rushing fireball"...
1. (32 pts, total) Use the following information for the next 6 questions. The "rushing fireball" is a motile prokaryote. It was originally isolated from a marine (ocean) environment. It does not fix carbon dioxide. It uses sugars and proteins as sources of energy, and it can oxidize elemental sulfur (S) or organic compounds for metabolism. It has a single cellular membrane surrounded by protein only. A graph comparing generations/doublings per day (vertical axis) with temperature (horizontal axis in degrees...
all of them please
Question 12 (1 point) Which of the following conditions would kill amp' lac his bacteria? amp = ampicillin (an antibiotic), lac = lactose (a carbohydrate), his = histidine (an amino acid) A) growing the bacteria in media that contained ampicillin, had lactose as the sole metabolic carbon source, and contained the amino acid histidine. B) growing the bacteria in media that contained ampicillin, had lactose as the sole metabolic carbon source, but did not contain the...
all please
Question 2 (1 point) ✓ Saved In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (v+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
all of them please
Question 17 (1 point) If there is lots of tryptophan available, the transcriptional output from the trp operon would be : A) basal B) very low C) very high Question 19 (1 point) Phosphate groups can be added to or removed from histones. Phosphates have an overall negative charge. You would expect the addition of phosphate groups to histone proteins would: A) tighten DNA binding to the histone due to charge repulsion B) cause the DNA...
all them please
Question 23 (1 point) The A and B alleles in ABO blood types can give rise to an individual that is blog type AB. This specific blood type is an example of: A) multiple alleles B) epistasis C) codominance D) partial dominance Imagine the gene encoding the lac repressor was mutated so that lactose (more technically allolactose) no longer bound to the repressor. However, the lac repressor was still capable of binding DNA at the operator sequence....
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
all of them please
Question 10 (1 point) In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (V+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
please all them
Using the picture below, "G" represents a factor that fills in a small gap between two DNA fragments by “sealing up" the phosphodiester backbone. This factor is called a: А A) single stranded binding protein B) ligase C) topoisomerase O A) single stranded binding protein B) ligase C) topoisomerase D) DNA polymerase III E) helicase Which of the lists below might contain sufficient ingredients to allow D. replication to occur in a test tube? A) primers, template...
1. (32 pts, total) Use the following information for the next 6 questions. The "rushing fireball" is a motile prokaryote. It was originally isolated from a marine (ocean) environment. It does not fix carbon dioxide. It uses sugars and proteins as sources of energy, and it can oxidize elemental sulfur (S) or organic compounds for metabolism. It has a single cellular membrane surrounded by protein only. A graph comparing generations/doublings per day (vertical axis) with temperature (horizontal axis in degrees...
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