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32- When Histamine and serotonin are released: a- capillaries constrict b- vascular permeability decreases large vessel...
Label the following as either proto-oncogene, oncogene or tumor suppressor 3. A gene that initiates apoptosis when DNA damage occurs a. b. A gene that initiates the transition from G1 to S phase A ge...
Label the following as either proto-oncogene, oncogene or tumor suppressor 3. A gene that initiates apoptosis when DNA damage occurs a. b. A gene that initiates the transition from G1 to S phase A gene that inhibits the transition from G1 to S phase c. d. A gene that promotes cell growth, combined with a hyperactive promoter How would methylation of the promoter of the gene in question 3c affect the cell? Be specific using what you know about the...
Please help with answers to these questions answer the ones that are straightforward like this one...
Please help with answers to these questions
answer the ones that are straightforward like this one
Question 24 5 pts 1. Beta-catenin is classified as a proto-oncogene and APC is classified as a tumor suppressor gene. Both are important parts of the Wnt signaling pathway. Describe the relationship between beta-catenin and APC. Explain in detail why they are classified as a proto-oncogene or tumor suppressor gene. 2. Suppose you're working in a cancer research lab and discover a small molecule...
27. Erythrocytes are accurately described as: a. Large and oblong cells b. Rigid and inflexible cells...
27. Erythrocytes are accurately described as: a. Large and oblong cells b. Rigid and inflexible cells c. Round and concave cells d. Multinucleate cells 28. The hemocytoblast is a. The Stem cell from which all blood cells are formed b. The Stem cell to platelets only c. The embryonic stem cell d. Arises from the placenta 29. All the following are granular leukocytes except a. Neutrophils b. Monocytes C, Eosinophils d. Basophills 30. In the process of hemostasis, when a...
M8Q1: Quiz Question 1 "By definition, a gene that can lead to tumorigenesis when over-expressed is_______."...
M8Q1: Quiz Question 1 "By definition, a gene that can lead to tumorigenesis when over-expressed is_______." Group of answer choices: a. A tumor suppressor gene b. An oncogene c. A transgene d. A virus Question 2 A tumor suppressor gene is typically____________ Group of answer choices: a. "A gain of function, dominant mutation" b. "A gain of function, recessive mutation" c. "A loss of function, dominant mutation" d. "A loss of function, recessive mutation" Question 3 Cyclins regulate______________. Group of...
30) Mechanism of action of the diuretics include: a) Stimulation of Na+ & C reabsorption b)...
30) Mechanism of action of the diuretics include: a) Stimulation of Na+ & C reabsorption b) inhibition of Na* & C reabsorption Activation of renal glomeruli d) Active absorption by loop of Henle e) None of the above 31) Tumor metastasis is enhanced by: a) Contact inhibition b) Increased cell adhesiveness c) Increased cellular matrix d) Motility e) None of the above 32) The most common cause of the Addison's disease is: a) ACTH deficiency b) Autoimmune destruction of the...
10) An inhibitor binds to the allosteric site of an enzyme. What is most likely to...
10) An inhibitor binds to the allosteric site of an enzyme. What is most likely to happen? a. The enzyme will be denatured b. The enyme will be natured C. The products will be created faster d. The rate of reaction will be slowed down 11) Match the organelles with their functions by placing letter (a-d) by each function: a. Ribosomes Package and ship proteins b. Golgi apparatus Store digestive enzymes C. Lysosomes Build proteins with instructions from RNA d....
11) Which type of white blood cel is particularly atracted to sites of parasiltic worm in monocyles B.eosiopils C.basophils D. neutrophilsE lymphocytes 12) All of the following are granulocytes e...
11) Which type of white blood cel is particularly atracted to sites of parasiltic worm in monocyles B.eosiopils C.basophils D. neutrophilsE lymphocytes 12) All of the following are granulocytes except racotesingphis C.Nmphooyes D.basophls. E.All f the choices are ABphis T cels e) Speaiic defenses: A) function against any infectious agent B. include phagocytes and interferon A. complement B. interferons. C ukotrienes. D. pyrogens. E. lysozymes A. neutrophils B macrophages C.Kpffer cells D. monocytes E.lymphocytes function in cell-mediated immunity. 13)function in...
13) The enzymes that can selectively cut DNA at specific locations during various types of gonetic...
13) The enzymes that can selectively cut DNA at specific locations during various types of gonetic recombination are called. a. R factors. b. bacterial transposons, c.clone. d. restriction endonucleases 14) Which of the following items is not a partof a compound light microscope? 15).Which of the following infectious agents causes typhus? 16)、The mosquito Anopheles is a a. cathode, b. objective lens c eyepiece d. dise aperture diaphragn a. togavirus b. lavivirus c . Yersinia pestis d. Rickettsia prowazekii a mechanical...
please help!! transcription? How could the presence of a hormone in the blood have an effect...
please help!!
transcription? How could the presence of a hormone in the blood have an effect on this structure? 6 points 3. What is an enhancer region and why is it important in the regulation of eukaryotic Contents Cancer Genes that cause cancer are called oncogenes. d. promoter genes. a. operator genes. b. pseudogenes.c 2A mutation in which of the following genes would be LEAST likely lead to a cancer? a. growth hormone gene b. growth hormone receptor gene c....
Which of the following statements about Huntington's is true? You can retry this question, the average...
Which of the following statements about Huntington's is true? You can retry this question, the average of your two answers is recorded. You should see feedback if you get a question wrong. O a. The mutated allele(s) has/have lost the function of keeping brain cells healthy, and is/are therefor a dominant disease O b. Huntington is a very rare and therfor recessive. c. Huntington strikes people after reproductive age and is therefor dominant. d. The mutated allele(s) has/have gained the...
Label the following as either proto-oncogene, oncogene or tumor suppressor 3. A gene that initiates apoptosis when DNA damage occurs a. b. A gene that initiates the transition from G1 to S phase A gene that inhibits the transition from G1 to S phase c. d. A gene that promotes cell growth, combined with a hyperactive promoter How would methylation of the promoter of the gene in question 3c affect the cell? Be specific using what you know about the...
Please help with answers to these questions
answer the ones that are straightforward like this one
Question 24 5 pts 1. Beta-catenin is classified as a proto-oncogene and APC is classified as a tumor suppressor gene. Both are important parts of the Wnt signaling pathway. Describe the relationship between beta-catenin and APC. Explain in detail why they are classified as a proto-oncogene or tumor suppressor gene. 2. Suppose you're working in a cancer research lab and discover a small molecule...
27. Erythrocytes are accurately described as: a. Large and oblong cells b. Rigid and inflexible cells c. Round and concave cells d. Multinucleate cells 28. The hemocytoblast is a. The Stem cell from which all blood cells are formed b. The Stem cell to platelets only c. The embryonic stem cell d. Arises from the placenta 29. All the following are granular leukocytes except a. Neutrophils b. Monocytes C, Eosinophils d. Basophills 30. In the process of hemostasis, when a...
30) Mechanism of action of the diuretics include: a) Stimulation of Na+ & C reabsorption b) inhibition of Na* & C reabsorption Activation of renal glomeruli d) Active absorption by loop of Henle e) None of the above 31) Tumor metastasis is enhanced by: a) Contact inhibition b) Increased cell adhesiveness c) Increased cellular matrix d) Motility e) None of the above 32) The most common cause of the Addison's disease is: a) ACTH deficiency b) Autoimmune destruction of the...
10) An inhibitor binds to the allosteric site of an enzyme. What is most likely to happen? a. The enzyme will be denatured b. The enyme will be natured C. The products will be created faster d. The rate of reaction will be slowed down 11) Match the organelles with their functions by placing letter (a-d) by each function: a. Ribosomes Package and ship proteins b. Golgi apparatus Store digestive enzymes C. Lysosomes Build proteins with instructions from RNA d....
11) Which type of white blood cel is particularly atracted to sites of parasiltic worm in monocyles B.eosiopils C.basophils D. neutrophilsE lymphocytes 12) All of the following are granulocytes except racotesingphis C.Nmphooyes D.basophls. E.All f the choices are ABphis T cels e) Speaiic defenses: A) function against any infectious agent B. include phagocytes and interferon A. complement B. interferons. C ukotrienes. D. pyrogens. E. lysozymes A. neutrophils B macrophages C.Kpffer cells D. monocytes E.lymphocytes function in cell-mediated immunity. 13)function in...
13) The enzymes that can selectively cut DNA at specific locations during various types of gonetic recombination are called. a. R factors. b. bacterial transposons, c.clone. d. restriction endonucleases 14) Which of the following items is not a partof a compound light microscope? 15).Which of the following infectious agents causes typhus? 16)、The mosquito Anopheles is a a. cathode, b. objective lens c eyepiece d. dise aperture diaphragn a. togavirus b. lavivirus c . Yersinia pestis d. Rickettsia prowazekii a mechanical...
please help!!
transcription? How could the presence of a hormone in the blood have an effect on this structure? 6 points 3. What is an enhancer region and why is it important in the regulation of eukaryotic Contents Cancer Genes that cause cancer are called oncogenes. d. promoter genes. a. operator genes. b. pseudogenes.c 2A mutation in which of the following genes would be LEAST likely lead to a cancer? a. growth hormone gene b. growth hormone receptor gene c....
Which of the following statements about Huntington's is true? You can retry this question, the average of your two answers is recorded. You should see feedback if you get a question wrong. O a. The mutated allele(s) has/have lost the function of keeping brain cells healthy, and is/are therefor a dominant disease O b. Huntington is a very rare and therfor recessive. c. Huntington strikes people after reproductive age and is therefor dominant. d. The mutated allele(s) has/have gained the...
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