Questions 41 to 46 relate to material covered in BIO6043 (Developmental & Reproductive Biology)

Essay Set 1: Essay 1. Identify differences and similarities between transcription in prokaryotes with that in eukaryotes. Address differences/similarities in transcriptional initiation, promoter elements, cellular location, possible regulatory mechanisms, and enzymes and key accessory proteins. Essay 2.  There are two major classes of membrane transport proteins:  pumps/transporters/carriers and channels. Compare and contrast these two groups of proteins (regulation, localization, activity, etc.). Provide a specific example of a transport protein for each of these two broad categories making sure to include their function and subcellular localization. Essay 3.  For proteins >60kD in size, transport across the nuclear envelope is a ‘receptor’ mediated process. Describe in detail this bidirectional transport process making sure to touch on proteins involved in both import and export processes and how the differential localization of Ran-GAP and Ran-GEF influences this process.

Shown are the broad sense heritability values for some traits in a population. IQ:  0.48 Waist circumference:  0.25 Chest circumference:  0.61 Height:  0.88 Heart rate:  0.49 For which trait does genetics have the greatest influence on phenotypic variation in this population?

Skeletal and cardiac muscle are both types of striated muscle. You have been given one type of each sample, but the identifying labels have come off. You know that these muscles have some similarities and some differences in terms of their rate of depolarization, rate of repolarization, and length of action potential.  Answer the following questions as they relate to the muscle depicted in sample A. 1. Identify the muscle type. 2. Are there special types of calcium channels associated with the muscle type? If so, identify the calcium channels. 3. Calcium channels are responsible for distinct refractory periods. What is the name of the refractory period for this muscle type?

Which of the following organisms would be the cheapest and fastest expression system to use the production of a eukaryotic blood coagulation protein?

Question 3 Choose the appropriate test to the null hypothesis that there is no association between CCSVI and MS.

Explain why an imperfect flower is automatically incomplete but not all incomplete flowers are imperfect.

Describe three structural adaptations of terrestrial plants, which are minimal or lacking in aquatic plants, that allow them to survive on land. 

Biological membranes are important in physiology, because ______________.

Which is the major component of the cell wall of microbes in the Bacteria domain?