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 […]

1.1 When comparing normal meiosis in human males and femalesa.) each sperm has 46 chromosomesb.) in most cases each egg and sperm contain single sex chromosomesc.) each egg produced contains one more autosome than a sperm celld.) all sperm contain the same kind and amount of DNAe.) each egg has […]