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Question: Think about cells in adult mammals in which Barr bodies are observed. Indicate whether each of the following statements are true or false.Only one X chromosome per cell will be transcriptionally active.
The Barr body represents a condensed Y chromosome, so only genes on the X chromosome are active.
The cells are from a female.
The cells are from a male.
Why is social clock an important consideration when understanding development. It is a useful tool for making comparisons across different generations to see if the hypothesized developmental course is valid.
Some proponents argue that the "damage" hypothesis makes more sense from an evolutionary perspective, claiming that it is more advantageous for an organism's defence system to respond to tissue damage than to the mere presence of a foreign microbe. D..
This is "new methylene blue" stained blood. What cell is stained? What are the "inclusion bodies" called in this case of thalassemia? Describe this slide (is it peripheral blood smear/bone marrow aspirate or biopsy, and is it normal/abnormal?).
Think of the beaver's digestive organ system. Clarify its overall role. List several of the organs in this system, describe how each functions, and outline how organs work together to carry out the role of the organ system.
A certain membrane protein has palmitic acid covalently bonded to its N-terminal amino acid. The protein consists primarily of charged amino acids, particularly Lys and Arg. Do you think this will be a periperal or integral membrane protein? Why? ..
Create the line bond structure of cis-9-hexadecenoic acid and you do not require to draw hydrogen atoms attached to carbon atoms.
Why use starved starved yeast rather than sugar fed yeasts for fermentation.What is the aim of ferementation after glycolysis.
What would occur to the preferred habitat of your plant (Red Maple) in case of partial water drainage of the Mer bleue marsh (such as the water level would go down half the depth of the marsh).
Suppose that the cell membrane is permeable to water but not to ions, Explain what will happen to the cell in terms of osmosis. If the membrane were permeable to ions,
The CAP activator protein and the Lac repressor both control the Lac operon. You construct cells that are mutant in the gene coding for the Lac repressor.
Both endocrine and nervous systems are major regulating system of the body; though, nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. In brief explain this comparison.
Select a specific gene and a specific alteration. Explain the effects of the modifications and why it might contribute to the cancer.
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