14. a. What is the role of insulators? b. What would happen if there were no boundary elements for genes in between the promoter and activator? 15. What are the 2 major types of nucleosome modifiers? a. Describe each of them. b. Give an example of each of them.
Q: .c Osteoblasts
A: Bone remodeling involves the removal of mineralized bone by osteoclasts followed by the formation of…
Q: The digger bee’s “postcopulatory courtship” consists of elaborate tactile stimulation that the male…
A: The digger bee’s “postcopulatory courtship” consists of elaborate tactile stimulation that the male…
Q: Dietary fibres are very much required in our daily food, so as to ? 1. To provide extra protein 2.…
A: The correct option is C.
Q: L. polyrhiza or L. gibba: Which species is the better interspecific competitor? Time Time Time The…
A: Interspecific competition: The competition present among organisms of different species for various…
Q: GQ#1: The story of the Central Dogma can be likened to the story of a foreign boss who only speaks a…
A: The living organisms contain DNA as their genetic material. That DNA is present within the nucleus…
Q: Explain how eukaryotic genes sometimes produce multiple protein products?
A: Eukaryotes and RNA SPLICING
Q: 10. A scientist working in a research laboratory has been examining different agonists of serotonin…
A: The correct option is B.
Q: Which of the following attributes of a community would tend to lead to higher species richness?…
A: The correct answer is: A broad resource spectrum. The correct answer should be both a and b, when…
Q: Discuss how bees and bee-pollinated flower are each modified to maximize their interaction
A: Fertilization (pollination) happens when birds, honey bees, bats, butterflies, moths, scarabs,…
Q: A pest that could become a major pests when something change in the agroecosystem?
A: In agroecosystem;pest can be defined as any insects or animal species which can cause damage to the…
Q: through cell membranes, explain why all cell types are not sensitive to the presence of 17 beta
A: 17 beta estradiol is formed in the ovaries, testes or adrenal glands. It is made from cholesterol.
Q: food items produced by bioprocess engineering.
A:
Q: Time Time Time The growth of Lemna polyrhiza when cultured alone. The growth of Lemna gibba when…
A: L.gibba produce allelopathic chemical Better intraspecific competitor is L. polyrhiza. When two…
Q: 2. Concerning their permeability how are membranes classified?
A: Cell structure and membrane
Q: Yes or No: If a species is a good intraspecific competitor, is it necessarily a good interspecific…
A: The answer is option B.
Q: Briefly explain the impact of exercising at altitude, in heat, OR in cold and Name 3…
A:
Q: Which is the longest organ of digestive system in human body? 1. Pancreatic duct 2. Small intestine…
A: The digestibe system: The mouth, pharynx (throat), oesophagus, gut, intestine (small and large),…
Q: L. polyrhiza or L. gibba: Which species requires the least amount of nutrients in order to grow?…
A: The number of individuals per unit area is called population density. the nature of increasement of…
Q: According to the book Crawford, Dorothy H. Viruses: A Very Short Introduction. New York, what is…
A: In this book Crawford recounts stories of renowned killer viruses such as the recent Ebola and Zika…
Q: Monozygotic twins develop from a) one egg, fertilized by one sperm b) one egg, fertilized by two…
A:
Q: Under what conditions does Staphylococcus epidermidis become an opportunistic pathogen? Group of…
A: * Staphylococcus epidermidis are nonmotile and stains Gram positive and cocci shaped Which are…
Q: What substance is produced by a microorganism that is capable of the growth of other microorganisms?…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 2.) Suppose that the carrying capacity of a second island is about 500, and the growth rate of a…
A: Carrying capacity is the maximum capacity an island can accommodate under normal population growth,…
Q: Explain the metabolic processes in cyanobacteria. 1. Kreb's Cycle 2. Photosynthesis
A: Cyanobacteria may also own several enzymes which can be without delay involved in dihydrogen…
Q: QUESTION 5 is the mucus membrane layer covering the eye and eyelid.
A: The conjunctiva is the mucous membrane that lines the eyelid and eye surface. In a healthy eye, the…
Q: There is a manufacturing plant that emits 10 tonnes of carbon annually. If this manufacturer were to…
A: Answer :- Option (C) is correct. - 3 tonnes.
Q: Describe the structure, mention the alpha helices, beta sheets, and anything else that the picture…
A: The above image shows a 3D representation of a protein structure. It is known as Ribbon diagrams or…
Q: some cases, males or females do care for young of their own species that are not their own, as when…
A: There may be reason that adoptions fostering helped these females reproduce later on as Regular…
Q: a species that has a diploid number 2n = 10. Draw this cell as you would expect it to appear during…
A: * cell cycle meiosis consists of four stages Prophase Metaphase Anaphase Telophase * In prophase…
Q: Contrast the significance and mechanisms of local and systemic neural control of cerebral blood…
A: Cerebral circulation is the blood flow in your brain. It's important for healthy brain function.…
Q: You are required to develop a detailed teaching plan for the sixth grade Blood circulation
A: Heart regulations
Q: Briefly describe two approaches that are used to edit the germline in embryos using CRISPR-Cas9.…
A: The mechanism of CRISPR/Cas-9 genome editing can be generally divided into three steps: recognition,…
Q: Match the definition with the correct answer. a. Dietary Supplement Definition b. Economic…
A: Dietary Supplement Definition - a vitamin, mineral, herb, botanical, amino acid, metabolite,…
Q: hat are the Similarities and differences between meioses and mitosis?
A: Cells are the fundamental building blocks of all living things and are usually found at the very…
Q: The sequence of __________ in nucleic acids encodes a specific order of amino acids for making a…
A:
Q: What is mass transportation across the cell membrane?
A: Cell movements
Q: A rare disease is found in a family as shown in the pedigree below. Assuming complete penetrance,…
A: Genetic inheritance is the process of transfer of genetic information from the parents to progeny…
Q: Is it true that Is it unlikely that anatomically modern humans interbred with premodern groups as…
A: Hominin – the group consisting of modern humans, extinct human species and all our immediate…
Q: Nutrient Agar (NA) is a general purpose medium used for the cultivation of a wide variety of non-…
A: Nutrients are the compounds found in food that give us energy, allowing us to heal and develop,…
Q: Given that you have an even-skipped mutant (Drosophila) which results in the loss of stripe #5,…
A: The even skipped quality (eve) encodes a homeodomain (HD) record factor expected during Drosophila…
Q: (b) State the main functions of the following : (1) Medulla Oblongata (ii) Cytokinins (iii) Tears…
A: Anatomical structures
Q: What does the pyruvate dehydrogenase complex do? Choose one: It produces pyruvate in the cytosol. It…
A: PDH complex connects the citric acid cycle and subsequent oxidative phosphorylation to the…
Q: The best strategy for treating a specific type of human tumor can depend on identifying the type of…
A: Cancer is a fatal disease that has both physical and mental consequences for a person. Cancer can…
Q: How is viruses and protozoans cause pathogenesis and how is it different from bacteria
A: Pathogenesis is the course of an infection or disease. Pathogenesis of the virus involves the…
Q: Female mimicry by males occurs in many species. For example, in the Broadley’s flat lizard…
A: * Mimicry In evolutionary biology is the mechanism of resemblance of an animal between it's and…
Q: Along with other geological evidence from rocks and structures, fossils give us clues about past…
A: As per our company's guidelines we supposed to answer a single question at a time only. Please…
Q: Compare the nutritional value of the three items. Determine which item would be the healthiest…
A:
Q: Question 1. (a) Name the following : (i) The layer of the eyeball that provide nourishment to the…
A: (i) Choroid
Q: As cells grow and regenerate, what mechanism does the body use to get rid of the continuously dying…
A: * Cells in the body will be continuosly produce to replace the dying cells by the bone marrow. *…
Q: A viral envelope
A:
pls try to answer both
Step by step
Solved in 4 steps
- 1)A. how do you read a sequence of DNA (template or non-template strand) to convert it an mRNA sequence and to a protein? B.How does chromatin remodeling regulate gene transcription? C. What are the major differences between gene expression in bacteria and eukaryotes D. How are non-coding regions involved in gene transcription? E. Explain how eukaryotic genes sometimes produce multiple protein products?1. In a couple of sentences, explain how eukaryotic activator proteins (that are usually gene-specific transcription factors) can enhance transcription even when bound to sequences hundreds or thousands of nucleotide pairs away from a gene’s promoter. 2. Describe three common characteristics of transcription factors. The characteristics may relate to structure, or mechanism of action (PLEASE ANSWER BOTH PLEASE)1. The following image shows a mechanism in which gene expression activity is regulated by ligand. Arg RS-2 Teu Met RBS Ligand RBS hidden a. What is this kind of regulatory machnism called? b. Does it involve transcription or translation? c. What happens in the presence of the ligand? d. What happens in the absence of theligand? e. What do you think the genes that are regulated here - metabolic (breakdown) or anabolic (buildup) for the ligand? Explain
- 1. State true or false, giving a brief justification: a. An enhancer is a type of regulatory element. b. A core promoter is a type of regulatory element. c. Regulatory transcription factors bind to regulatory elements. d. Typically, an enhancer may cause the downregulation of transcription.3a. Select all the correct types of RNA that are both the product of transcription and are also translated in the cytoplasm. ☐ snRNAs ☐ pre-tRNAs ☐ rRNA ☐ tRNA ☐ miRNA ☐ mRNA 3b. The ribozyme found in the ribosome catalyzes ... (which of the following?) a. the synthesis of pre-mRNA as part of the transcription process. b. the formation of the peptide bond. c. the association between the large and small ribosomal subunits. d. a reaction that uses RNA as a substrate.3. Animation 11.3: Refer to the table. Step Description RNA polymerase and other transcription factors bind to TFIID to form the initiation complex. The initiation complex initiates transcription. TFIID binds to TATA box at the promoter site. D. A regulator protein binds to the regulator region and to the initiation complex. In which order do these steps occur just before expression of a gene in a eukaryotic cell? O A D-B C OC- A- D → B O C- D– A – B O D B→C A dreamsite estime deamstiee
- 1. The following regulatory mechanisms occur before eukaryotic transcription EXCEPT a. the formation of the transcription factor complex. b. the phosphorylation of eukaryotic initiation factors. c. the regulation of nuclear localization of transcription factors. d. the alteration of the DNA-binding domain of the transcription factor.1. Describe which enzymes are required for lactose and tryptophan metabolism in bacteria when lactose and tryptophan, respectively, are (a) present and (b) absent. 2. Contrast positive versus negative regulation of gene expression. Describe the role of the repressor in an inducible system and in a repressible system.6. By incubating cells with an inhibitor of TFIIH helicase activity. Which step in the transcript would be affected and why? 7. A cell has a mutation that inactivates TAF1 at temperatures greater than 37oC. What will happen in that cell at temperatures greater than 37 oC in class II promoters without TATA box? Why?
- 5. The following questions are about cis-regulatory elements (CRES). a. Describe the role of regulatory elements in eukaryotic gene expression b. What type of CREs are there? c. How do transcription factors 'know' where CREs are?26. Synthesis of a repressible enzyme is stopped by: a. the allosteric transition. b. the substrate binding to the repressor. c. the corepressor (product) binding to the operator. d. the corepressor-repressor (product-repressor) complex binding to the operator. e. the end-product binding to the promoter.25. Which of the following describes the role of acetylation during the chromatin remodeling that accorpanies gene expression? A. It adds an acetyl group to the DNA of a promater sequence. B. it adds an acetyl group to the histone protecting the promoter region of a gene. C. it adds an acetyl group to the cytosine nucleotides of DNA. D. It adds an acetyl group to the histone protecting the transcription unit of a gene.