• Q : How the lac-operon is regulated....
    Biology :

    You should be able to draw and explain how the Lac-Operon is regulated. You should be able to compare this to the tryptophan operon (a repressible operon).

  • Q : Compare prokaryote and eukaryote genomes....
    Biology :

    Question 1: Compare prokaryote and eukaryote genomes. I am NOT asking for specifics but in general terms. Question 2: DNA fingerprinting can be done by using SNP analysis or, much more commonly, STR

  • Q : How is gene expression regulated in eukaryotes....
    Biology :

    How is gene expression regulated in eukaryotes? This is a HUGE question. You should be able to discuss pre and post- transcription in various ways.

  • Q : Explain the roles of cytoplasmic polarity....
    Biology :

    Briefly explain the roles of cytoplasmic polarity, embryonic induction and morphogens in the differentiation of cells and embryonic development. How does this "tie" with gene expression and transcri

  • Q : What role did restriction enzymes....
    Biology :

    Question 1: What role did Restriction Enzymes and DNA ligase have in making the PGLO plasmid. What is meant by expression vectors? Question 2: What information needs to be in a successful expression

  • Q : How do we keep the pattern of ecology in balance....
    Biology :

    Question 1: How do we keep the pattern of ecology in balance and the rise of greenhouse gases and global warming? Question 2: How can we positively or negatively effect biomes to inner cities? What

  • Q : What is the main function of the apoptosome....
    Biology :

    The main function of the apoptosome is to: A.  poke holes in the mitochondrial outer membrane B.  activate executioner caspases C.  degrade BH4 domain containing proteins D.  degra

  • Q : Draw a diagram with glucose 6-phosphate....
    Biology :

    Draw a diagram with Glucose 6-phosphate at the center and show all possible pathways that the molecule can enter. Show the end product for each pathway.

  • Q : What type of inhibition regulate glycolysis....
    Biology :

    Question 1: What is the probability of throwing two dice and obtaining a 4 and a 6? Question 2: What type of inhibition regulate glycolysis?

  • Q : Why is the nitrogen cycle biologically important....
    Biology :

    Why is the nitrogen cycle biologically important? A) Nitrogen is a component of amino acids, proteins, and nucleic acids. B) Nitrogen forms the framework for organic molecules essential to all organis

  • Q : Where does nitrogen enter the food chain....
    Biology :

    Where (at what level) does nitrogen enter the food chain? A) From the atmosphere when "fixed" by the photosynthetic machinery of plants. B) Primarily through soil-dwelling bacteria that "fix" it by at

  • Q : What are the 3 major features of the fertile crescent....
    Biology :

    What are the 3 major features of the Fertile Crescent the support the growth of cereals, more so than in other areas? A) Large amounts of solar energy, high average temperature, proximity to the ocean

  • Q : What would happen if a nucleotide is created....
    Biology :

    What would happen if a nucleotide is created that has an -H at the 3' position instead of having an -OH there? Of what clinical benefit could this compound provide?

  • Q : Does the concept of carrying capacity apply to human beings....
    Biology :

    Does the concept of carrying capacity apply to human beings? Does the planet as a whole have a HUMAN carrying capacity, or do humans have an infinite capacity to increase resources through increase

  • Q : What is secretion of cholecystokinin....
    Biology :

    Which of the following function as the stimulus for the secretion of cholecystokinin (CCK)? a. Carbohydrates in the stomach b. Fat or protein digestion products in the duodenum c. Acid in the duodenum

  • Q : Why is it important to perform the reagent tests last....
    Biology :

    Question 1: Define the following: evolution, population, gene pool, gene flow, genetic drift, bottleneck effect, founder effect, natural selection, genetic fixation, genotypic frequency, allelic fre

  • Q : Explain the procedure that we followed to test for starch....
    Biology :

    Briefly explain the procedure that we followed to test for starch in the leaves? What was the staining pattern in the yellow and green leaf? In the purple and green leaf?

  • Q : What is the important of taq polymerase....
    Biology :

    Question 1: Explain the process of PCR and the reagents that are needed to perform the reaction. Question 2: What is the important of Taq polymerase? Where does it come from?

  • Q : What processes generate atp, acetyl coa....
    Biology :

    Question 1: What processes generate ATP, acetyl CoA and NADH in animal cells? Question 2: What would be the general effect of increasing glucose levels in the cell upon the rate of glycolysis?

  • Q : What processes generate atp, acetyl coa....
    Biology :

    Question 1: What processes generate ATP, acetyl CoA and NADH in animal cells? Question 2: What would be the general effect of increasing glucose levels in the cell upon the rate of glycolysis?

  • Q : Which biome will shrink as global temperature increases....
    Biology :

    Which biome will likely shrink as global temperature increases?a. tundra b. rainforests c. temperate deciduous forests d. desert e. taiga (conifer forests)

  • Q : What is sustrate level of phosphorylation....
    Biology :

    What is sustrate level of phosphorylation? a) phosphorylation of AMP by ATP b) ATP synthesis when the phosphate donor is a substrate with high phosphoryl transfer potential c) phosphorylation of glyco

  • Q : What is sustrate level of phosphorylation....
    Biology :

    What is sustrate level of phosphorylation? a) phosphorylation of AMP by ATP b) ATP synthesis when the phosphate donor is a substrate with high phosphoryl transfer potential c) phosphorylation of glyco

  • Q : Describe causes and consequences of mutations....
    Biology :

    Describe causes and consequences of mutations on microbial evolution and the generation of diversity as well as human impacts on adaptation.

  • Q : What is sustrate level of phosphorylation....
    Biology :

    What is sustrate level of phosphorylation? a) phosphorylation of AMP by ATP b) ATP synthesis when the phosphate donor is a substrate with high phosphoryl transfer potential c) phosphorylation of glyco

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