what does tissues of the heart , liver , muscle and brain all have in common...
Homework Answers
The tissues of heart, liver, muscles and brain all have in common is 'Lactate dehydrogenase'. This feature helps when cells need lactase as a source of energy as lactate dehydrogenase catalyses the conversion of lactate to pyruvate and back as it converts NAD+ to NADH and back.
Dehydrogenase is an enzyme that transfer a hydride from one molecule to another. LDH is released when the tissues of brain, liver and heart are damaged and they release LDH into the bloodstream.
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what does tissues of the heart , liver , muscle and brain all have
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Beginning by drawing boxes that represent the following tissues: brain, liver, adipose, heart, and skeletal muscle....
Beginning by drawing boxes that represent the following tissues: brain, liver, adipose, heart, and skeletal muscle. With the paper in a landscape orientation, place the liver in the center, the brain the upper left, adipose upper right, skeletal muscle lower left, and heart lower right. You will need to use contrasting colors of ink for this assignment (black and red, black and blue, blue and red, or green and red are recommended). One color will represent fed state and the...
Based on your knowledge of cell signaling and interorgan metabolism, describe how the fuel metabolism of the liver, adipose tissue, skeletal muscle, heart and brain are affected in type I diabetics (a...
Based on your knowledge of cell signaling and interorgan metabolism, describe how the fuel metabolism of the liver, adipose tissue, skeletal muscle, heart and brain are affected in type I diabetics (assuming no insulin shot has been used) immediately after a meal and between meals. Include what pathways have been affected (glycolysis, glycogen synthesis, etc) and what the organ/tissue uses as a fuel source.
The above brain MRI shows a large glioblastoma tumor with areas of necrosis within the tumor
Case 2 Regulation of glucose uptake by the cell The above brain MRI shows a large glioblastoma tumor with areas of necrosis within the tumor (tumor is the bright white area within the brain field on MRI). On the right is a PET scan from the same individual following administration of fluorescently labeled D-glucose. Use the following series of questions to determine how/if glucose uptake differs in the tumor when compared to the surrounding tissues. In normal tissue, how is glucose uptake regulated in...
Regulation of glucose uptake by the cell An MRI shows a large glioblastoma tumor with areas...
Regulation of glucose uptake by the cell An MRI shows a large glioblastoma tumor with areas of necrosis within the tumor (tumor is the bright white area within the brain field on MRI). Use the following series of questions to determine how / if glucose uptake differs in the tumor when compared to the surrounding tissues. In normal tissue, how is glucose uptake regulated in the following tissues: ● Liver ● Skeletal Muscle ● Brain ● Adipose How does glucose...
1.What can we conclude about the expression of alkaline phosphatase in pork and liver tissues?Is alkaline...
1.What can we conclude about the expression of alkaline phosphatase in pork and liver tissues?Is alkaline phosphatase expressed in all tissues? In equal amounts? 2.Are there any problems that might make one tissue more difficult to examine than an other? 3.Why do you think the enzyme is expressed in the cells that it is? 4.Is the expression of the enzyme localized in any particular areas of the tissues? Is it all over? How can you tell?
Who is at highest risk for liver disease? What is the portal circulation? How/Why does portal...
Who is at highest risk for liver disease? What is the portal circulation? How/Why does portal hypertension occur? What role do the collateral vessels play in portal hypertension? Elevations of which 2 LFT are indicative of generalized liver inflammation? Which of these 2 tests is specific to the liver? Why does the albumin level help assess liver function? Why is PT (prothrombin time) a liver function test? Why might the GTT be elevated? What 2 diseases might the alkaline phosphatase...
someone please help! i have a brain fart :/ tations and Regulation of Gene Expression 6....
someone please help! i have a brain fart :/
tations and Regulation of Gene Expression 6. Which of the following statements about the DNA in your brain cells is TRUE? a. The majority of the DNA in these cells is made up of genes that code for proteins. b. The majority of genes in these cells are expressed as RNA or proteins. C. Your brain cells contain approximately the same DNA as your heart cells. d. All of the above...
Choose any and all appropriate answers: How is the muscular contraction stopped (i.e.: how does a muscle relax after contraction)? The brain stops sending the nerve impulse that commands the muscle to...
Choose any and all appropriate answers: How is the muscular contraction stopped (i.e.: how does a muscle relax after contraction)? The brain stops sending the nerve impulse that commands the muscle to contract, interrupting communication at the neuromuscular junction Acetylcholineesterase (AChE) is released into the synaptic cleft to destroy any remaining Acetylcholine No mechanism is necessary. When the antagonist begins to contract, it forces relaxation and stretch of the agonist muscle. Relaxation occurs as the myosin heads are "snapped" off...
All cells in a mouse are genetically identical, yet many cells like brain or liver cells...
All cells in a mouse are genetically identical, yet many cells like brain or liver cells perform specialized functions. How do these cells achieve this level of specialization? a. Through transcription factor activity b. Through alternative splicing of mRNA c. Through the accumulation of mutations d. Through gene silencing e. Through post-translational modifications Which material would not be required for determining the sequence of a 400 bp DNA fragment by the high-throughput sequencing method? a. A short, artificially synthesized primer...
molecular biology Section C (40 marks) Answer ALL questions from this Section 5. You have isolated total RNA from muscle cells and constructeda muscle cDNA library. You wish to study the regulatory r...
molecular biology
Section C (40 marks) Answer ALL questions from this Section 5. You have isolated total RNA from muscle cells and constructeda muscle cDNA library. You wish to study the regulatory region of a muscle-specific cDNA gene (gene M) that you have previously identified. 6 (a) For your study, you need to isolate a genomic clone of gene M. Why isa cDNA clone of gene M not appropriate for your study? (2 marks) (b) Outline the steps you would...
Beginning by drawing boxes that represent the following tissues: brain, liver, adipose, heart, and skeletal muscle. With the paper in a landscape orientation, place the liver in the center, the brain the upper left, adipose upper right, skeletal muscle lower left, and heart lower right. You will need to use contrasting colors of ink for this assignment (black and red, black and blue, blue and red, or green and red are recommended). One color will represent fed state and the...
someone please help! i have a brain fart :/
tations and Regulation of Gene Expression 6. Which of the following statements about the DNA in your brain cells is TRUE? a. The majority of the DNA in these cells is made up of genes that code for proteins. b. The majority of genes in these cells are expressed as RNA or proteins. C. Your brain cells contain approximately the same DNA as your heart cells. d. All of the above...
All cells in a mouse are genetically identical, yet many cells like brain or liver cells perform specialized functions. How do these cells achieve this level of specialization? a. Through transcription factor activity b. Through alternative splicing of mRNA c. Through the accumulation of mutations d. Through gene silencing e. Through post-translational modifications Which material would not be required for determining the sequence of a 400 bp DNA fragment by the high-throughput sequencing method? a. A short, artificially synthesized primer...
molecular biology
Section C (40 marks) Answer ALL questions from this Section 5. You have isolated total RNA from muscle cells and constructeda muscle cDNA library. You wish to study the regulatory region of a muscle-specific cDNA gene (gene M) that you have previously identified. 6 (a) For your study, you need to isolate a genomic clone of gene M. Why isa cDNA clone of gene M not appropriate for your study? (2 marks) (b) Outline the steps you would...
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