The purpose of antibodies is to .a. poke holes in the cell membrane of an invader to cause extracellular fluid to enter the cell making it swell and b. eventually rupture the cell membrane. c. inject toxins into the invading pathogen to destroy it. d. inactivate its DNA so the pathogenic cell is unable to function. e. mark the invading cell for destruction and to prevent the invader from interacting with other cells.

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols