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Question 1: Describe how skin contributes to thermoregulation, protection and sensation? Question 2: What is the skins role in the synthesis of vitamin D? Question 3: Describe the composition of the e
Question 1: What are stem cells? give some examples of stem cells and their location? Question 2: What is meant by cell differentiation? give examples of a cellular differentiation?
Question 1: What are homoglous chromosones? Question 2: How many chromosomes does a diploid human cell contain? Question 3: What happens in each of the phases (G1, S, G2, M and C) of the cell cycle.
Question 1: Briefly describe the structure and function of the rough and smooth endoplasmic reticulum, golgi complex, lysosomes and mitcochondria. How are lysosomes formed? Question 2: Diagram and d
Which causes the greatest antigenic change? Explain. Explain why both drift and shift can be a problem for a vaccine development? Which can lead to a pandemic influenza, and why?
Question 1: Show how a single RNA molecule can have base paired regions. Question 2: What molecule assocated with the TCA cycle is directly responsible for substrate-level phosphorylation of ADP?
Question 1: Please explain how you can determine exons and introns of the eukaryotic protein-encoding genes.
Question 1: Which of the foods that you tested contained amylase? Which did not? What experimental evidence supports your claim? Question 2: How does the temperature affect enzyme function?
Based on what we have discussed in the past month, you could potentially come up with three different ideas to help get the immune system to "fight" cancer cells. Please describe how each of the fo
Question 1: What is a sigma factor in RNA transcription? how does it differ from the the other binding factors?Question 2: Which is NOT true of capnophiles:A.Mammalian cells in culture B. Neisseria C.
Question 1: What is the difference between spinal nerves and spinal roots? Question 2: What are the euchromatin and the heterochromatin?
Question 1: Why do the medullary pyramids appear different from the renal cortex and renal columns? why do the renal columns and the renal cortex appear similar in color and texture? Question 2: In
Question 1: What is "cap" on RNA during RNA transcriptions and why is it done ? Question 2: What role do spinal tracts play in the peripheral nervous system?
Question 1: Are there influences any influenecs that deviates from the Hardy-Weinberg principle? If so, how? if no, why? Question 2: What are some of the uses of DNA profiling?
Question 1: Compare and Contrast Island vs habitat fragments. Question 2: Which of the following proteins/enzymes would be MOST likely to repair the damage to DNA induced by MMS (methylmethane sulfo
Question 1: Describe a protein-protein interaction necessary for transcription to proceed. Question 2: Describe a protein-protein interaction necessary for replication to proceed. Question 3: Describe
Question 1: What unusual characteristics of rRNA molecules allow them to accomplish their tasks? Question 2: Describe two different ways in which a change in the DNA sequence could lead to the devel
Question 1: What is the RNA transcription process? Question 2: Describe two different roles performed by 16S rRNA in protein synthesis and the role performed by 23S rRNA in protein synthesis.
What is the role of the oncogene Bcl-2, which is commonly translocated to chromosomes 14 and 18? a) Stimulates cell apoptosis b) Stimulates lymphocyte proliferation c) Permanently prevents cell divisi
Question 1: Compare the types of neurons that synapse int he posterior, lateral, and anterior gray horns of the spinal cord. Question 2: What other group of organisms has cellulose in its supporting
Question 1: How does the chemotaxis transwell setup simulates an infected tissue? Question 2: Suppose that you digested pGlo with Hindlll, isolated the DNA fragment, and recircularized it with DNA l
Which of the following is not caused by a chromosomal deletion? Cri-du-chat, Prader-Willi, Fragile X Syndrome
Question 1: What stimulates the production and release of Estrogen and Progesterone? Question 2: what are the effects of Estrogen and Progesterone? Question 3: what happens if you have too much of Est
Question 1: Why might the fungus make the antibiotic with a rare D-amino acid in it? Question 2: What is the sequence of the nonapeptide. Sketch a picture of it.
The difference between populations belonging to an r-selected species and those from a K-selected species is thata) Populations from a K-selected species tend to inhabit unstable environments b) Popu