You are working on a project in which you block autophagy in a particular portion of the brain of a laboratory animal. What happens to these animals? 1) Nothing happens since nerve cells are so long-lived. 2) That region of the nervous system experiences a massive loss of nerve cells. 3) There is slight, but not dangerous damage, to the organelles and proteins of the nerve cells. 4) There is continuous damage to the proteins and organelles of these long-lived cells.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Using meiosis, the sporophyte produces spores that are .

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