A number of molecular events occur during the initiation of vesicle budding at the ER membrane. Please put these in order. (The 1st-6th choices are randomly shuffled, so please choose the accurate one.) 1. Sar1-GTPase becomes active, inserts into the ER membrane, and begins recruiting adaptor, receptor, and coat proteins. 2. The naked transport vesicle fuses to the next membrane with the help of SNARE proteins.
3. Sar1-GTPase undergoes hydrolysis in which GTP chemically converts to GDP.
4. Sar1-GTPase is now inactive, allowing it and coat proteins to fall off of the membrane.
5. Sar1-GEF at the ER membrane helps Sar1- GTPase exchange a GDP molecule out and a GTP molecule in.
6. COPII assembly helps bud a vesicle off of the ER membrane.

On a recent expedition to a remote region of northern canada, scientists uncovered skeletal remains from about 100,000 years ago. surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees fahrenheit (or 538 degrees celsius). which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures? (a) chemical changes that naturally occur during the process of decay in only one north canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. (b) a little over 103,000 years ago, a large fire is known to have occurred in northern canada. (c) strong evidence exists that as early as 70,000 years ago, homo sapiens around the world relied heavily on fire to cook animals. (d) in the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans.

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

Select the word from the list that best fits the definition a system made of 25 satellites