1. In an a1 mutant haploid a-cell, which of these genes would be expressed: a-pheromone, a-pheromone...
1. In an a1 mutant haploid a-cell, which of these genes would be expressed: a-pheromone, a-pheromone receptor, a-pheromone or a-pheromone receptor?
2. a. A yeast a-cell develops a mutation in the HO endonuclease recognition sequence in the MATa region. What would be the consequence to that cell in terms of mating type switching and what would be the mating type of subsequent progeny cells?
b. A yeast a-cell develops a mutation in the HO endonuclease recognition sequence in the HMLa region. What would be the consequence to that cell in terms of mating type switching and what would be the mating type of subsequent progeny cells?
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1. In an a1 mutant haploid a-cell, which of these genes would be
expressed: a-pheromone, a-pheromone...
In yeast, which of these is NOT a function of MAT genes? O MATaallele encoding a...
In yeast, which of these is NOT a function of MAT genes? O MATaallele encoding a regulatory protein (a2) that represses expression of a specific genes O MATa locus encoding a regulatory protein (a1) that affects only diploid cells O MATa locus encoding a regulatory protein (a1) that affects both haploid and diploid cells O controlling the expression of genes in a and a cells The mating-type (MAT) locus in yeast has how many alleles? 0 1 03 O The...
In-Class Activity #12, Protein Tratlicking Worksheet 1. You are interested in four different proteins in a...
In-Class Activity #12, Protein Tratlicking Worksheet 1. You are interested in four different proteins in a yeast cell: • protein 1 is a cytosolic protein protein 2 is a secreted protein • protein 3 is a nuclear protein protein 4 is a cell surface membrane protein with N-terminal end in extra-cellular space. a. You plan to study how the proteins are localized to their specific destination by creating the following mutations in the genes encoding proteins 1-4. Indicate how the...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
Question 36 1 pts 36. You have a population of mammalian cells growing in media containing...
Question 36 1 pts 36. You have a population of mammalian cells growing in media containing enough growth factors. Which of the following graphs corresponds to these cells when their DNA content is analyzed 24 hours after they are induced to express high levels of a mutant form of Rb protein that cannot be phosphorylated? (Note: this cell line has its cell cycle around 22 hours) Control cells #1 #2 #3 #4 #5 #6 Cell number JAN ul. 2 2...
n 13 You have found a mutant that has a G-protein that can only bind GDP...
n 13 You have found a mutant that has a G-protein that can only bind GDP and cannot bind GTP. Which of the following might you expect in the mutant cells? red ed out of ag question Select one: a. The secondary messenger would be made constantly. b. The cells would have more energy availability due to higher GTP binding. c. The secondary messenger would not be made. O d. The primary messenger would not be able to bind to...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is known as a proto-oncogene. True False QUESTION 2 Cytokinesis occurs after which stage or phase of the cell cycle? a. G2 b. S c. G0 d. G1 e. M phase QUESTION 3 During cell-cycle checkpoints, protein kinases known as CDKs phosphorylate target proteins only when they associate with a cyclin. True False QUESTION 4 During mitosis, many of the spindle fibers attach to chromosomes...
please answer all 5! thank you! Question 1 1 pts Which of these individuals would be...
please answer all 5! thank you!
Question 1 1 pts Which of these individuals would be considered a 'mutant'? A person with an XO sex chromosome genotype The recessive allele for a straight hairline in humans A population of sunflowers which produce unique, red/orange petals, native to the southeastern tip of Kansas A turtle carrying an allele enabling it to wield a pair of daggers, present in only 0.0001% of the turtle population. Allele is expressed in dominant form prior...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving rise to a “hairless” phenotype. In the homozygous condition, H is lethal. An independently assorting dominant allele S has no effect on bristle number except in the presence of H, in which case a single dose of S suppresses the hairless phenotype, thus restoring the "hairy" phenotype. However, S also is lethal in the homozygous (S/S) condition. What ratio of hairy to hairless flies...
Could I get all the answers please,, thank you,, Question 35 (2 points) Which cell type...
Could I get all the answers please,, thank you,, Question 35 (2 points) Which cell type is capable of producing antibodies? Question 35 options: A) B cells B) T cells C) macrophages D) neutrophils E) both A and B Question 36 (2 points) This antibody is pentameric in structure and is the better at stimulating complement than other antibody classes (can form a staple conformation): Question 36 options: A) IgM B) IgE C) IgD D) IgA E) IgG Question 37...
Explain the following in terms a highschooler would understand (from article Expression of HoxD Genes in...
Explain the following in terms a highschooler would understand (from article Expression of HoxD Genes in Developing and Regenerating Axolotl Limbs, 1998): DISCUSSION: Expression of HoxD genes in developing axolotl limb buds. We have examined the expression of Hoxd-8, Hoxd10, and Hoxd-11 genes in axolotl limb buds and find many similarities between the patterns of expression in axolotls and those described for other vertebrates. Similarities are most pronounced in phases I and II (Nelson et al., 1996; Shubin et al.,...
In yeast, which of these is NOT a function of MAT genes? O MATaallele encoding a regulatory protein (a2) that represses expression of a specific genes O MATa locus encoding a regulatory protein (a1) that affects only diploid cells O MATa locus encoding a regulatory protein (a1) that affects both haploid and diploid cells O controlling the expression of genes in a and a cells The mating-type (MAT) locus in yeast has how many alleles? 0 1 03 O The...
In-Class Activity #12, Protein Tratlicking Worksheet 1. You are interested in four different proteins in a yeast cell: • protein 1 is a cytosolic protein protein 2 is a secreted protein • protein 3 is a nuclear protein protein 4 is a cell surface membrane protein with N-terminal end in extra-cellular space. a. You plan to study how the proteins are localized to their specific destination by creating the following mutations in the genes encoding proteins 1-4. Indicate how the...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
Question 36 1 pts 36. You have a population of mammalian cells growing in media containing enough growth factors. Which of the following graphs corresponds to these cells when their DNA content is analyzed 24 hours after they are induced to express high levels of a mutant form of Rb protein that cannot be phosphorylated? (Note: this cell line has its cell cycle around 22 hours) Control cells #1 #2 #3 #4 #5 #6 Cell number JAN ul. 2 2...
n 13 You have found a mutant that has a G-protein that can only bind GDP and cannot bind GTP. Which of the following might you expect in the mutant cells? red ed out of ag question Select one: a. The secondary messenger would be made constantly. b. The cells would have more energy availability due to higher GTP binding. c. The secondary messenger would not be made. O d. The primary messenger would not be able to bind to...
please answer all 5! thank you!
Question 1 1 pts Which of these individuals would be considered a 'mutant'? A person with an XO sex chromosome genotype The recessive allele for a straight hairline in humans A population of sunflowers which produce unique, red/orange petals, native to the southeastern tip of Kansas A turtle carrying an allele enabling it to wield a pair of daggers, present in only 0.0001% of the turtle population. Allele is expressed in dominant form prior...
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