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1/ Name the key enzyme in the photorespiration of plants2/ biological membranes are effective insulators preventingingress and egress of cytoplasmic solutes. How, then, do cellsacquire solutes?3/ Name the transporter that is the principal source of theenergy gradient that co-transporters use to move solutes into orout of the plant cell.4/ Fritz […]

Growth factors and their corresponding receptors are commonly overexpressed and/or dysregulated in many cancers. First discuss the interplay between growth factors, their receptors, signaling cascades and the relationship of these three to cancer. Second pick a cancer, such as hepatocellular cancer, where growth factors and their related signaling cascades play […]

Provide one important example (in the human body) of each of the following: a. a molecule containing ionic bondsb. a molecule containing covalent bonds, andc. a molecule containing hydrogen bonds. What is the function of each of these 3 molecules you have identified in the human body? Explain why each […]

1What name is given to the food-trapping cells of sponges?PhagocytesAmoebocytesCnidocytesChoanocytes 2All animalsare prokaryotic.are heterotrophic.have cell walls made of chitin.obtain food by absorption. 3Features unique to mammals includethe presence of hair.extended parental care of the young.being endotherms.having no egg-laying members. 4Which of the following levels of structure encompasses all the others?TissueCellOrganOrganism […]