Use what you know about the bcl-2 family of genes (which includes the ced-9 gene in c. elegans) to predict the outcomes of the situations described below. select three of the below. a. in c. elegans, overexpression of ced-9 during embryonic development leads to the survival of cells that would normally undergo apoptosis. b. in human cells, underexpression of bcl-2 is associated with uncontrolled cell growth that leads to a type of cancer called follicular lymphoma. c. in humans with follicular lymphoma, a potential therapeutic would be to increase the expression of bcl-2 in the cancerous cells. d. in humans, cells that express high levels of bcl-2 are more susceptible to apoptosis. e. in humans, cells that express high levels of bcl-2 are less likely to undergo apoptosis. f. in human cell lines, scientists can manipulate the cells to force the expression of bcl-2 to prevent apoptosis.

Which two molecules do green plants use to make glucose? o a. nitrogen and water o b. hydrogen and oxygen o c. carbon dioxide and water o d. methane and iron oxide

You decide that the introduction should also discuss the extremophiles that are referred to as the archaea. these single-cell organisms are considered "extremophiles" due to their ability to survive and reproduce in environmental conditions that would be hostile for most living organisms. archaea species have been isolated from highly acidic sulfur springs, ocean floor thermal vents with temperatures that exceed boiling, and subarctic ice well below freezing. while still considered to be prokaryotic, the archaea have numerous differences that place them apart from the bacteria. choose the characteristics that separate the archaea from other prokaryotic cells. select all that apply. view available hint(s) select all that apply. archaea lack true peptidoglycan in their cell walls. the morphology of the cell is rigid and is geometric in shape, similar to a sphere or cylinder. the cytoplasmic membrane lipids of archaea have branched or ringform hydrocarbon chains. all currently identified and characterized archaea have been linked as the causative agent to an animal or human disease.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel