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Which contemporary issue most closely parallels the systemic exploitation depicted in the poem?

Which of the following best describes the tone of the poem?  

This is just a test to see if the testing notes resolve the pop-in issues. This quiz does not count toward you grade.

Viruses can reproduce independently outside of a host cell if nutrients are available.

What else would you have liked to learn from this course?

The Kong et al. paper we read demonstrated the importance of the natriuretic peptide C (NPPC) and its receptor NPR2 in mammalian chemotaxis.  A. Describe the experimental results that demonstrated that the expression of NPPC comes from the oviduct lining in the ampulla, in response to signals from the oocyte. Be sure to mention the relevant controls in this experiment, and indicate whether this was a find it, lose it, or move it experiment.  B. Describe the experimental result that demonstrated the in vivo (in the organism) requirement for NPPC and its signaling in mammalian fertilization. Be sure to mention whether this was a find it, lose it, or move it experiment.     

Matching: for each item from amphibian development, choose the answer from the box that most accurately describes the factor or phenotype you would expect to observe. Note: artificial high concentrations of factors are expected to overwhelm endogenous signals regulating those factors! Each answer is only used once.

Fill in the blank: The ____________ technique is a way to follow a cell (or group of cells) in an embryo as it undergoes development, in order to see what tissue/structures that cell gives rise to.

Nanos mRNA is maternally-deposited in the Drosophila embryo, and this gene shows maternal effect inheritance. Nanos-deficient embryos show loss of posterior structures. If a nanos loss-of-function mutant allele is called “-“, and the wild-type allele is called “+”, what fraction of the embryos would be nanos-deficient in a cross of a -/- female with a +/- male? 3pts

In the Schumacher et al. 2024 paper that we read, the authors used two different populations of cells derived from mouse embryonic stem cells to create artificial structures they called BELAs (bilayered embryo-like aggregates).  A. What two cell populations found in normal embryos did the authors claim the original cell populations in the BELAs were similar to? B. What additional cell population was induced in the BELAs, and what was one of the markers expressed in this cell population? C. Signaling from the secreted factor _______________ was found to be required between the two original cell populations in BELAs in order to induce the new cell population, while signaling from __________________ was shown to be important in creating small clumps or “nests” of the new cell population, and this differentiated them from the original cells that they were induced from. D. In your own words, what is the primary contribution this study made to our understanding of early mouse development?