In terms of weather, what kind of boundary does the line labeled x represent?
a.
occluded front
b.
stationary front
c.
cold front
d.
warm front

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge

Amembrane protein is made and inserted into the membrane of the rough endoplasmic reticulum. a binding site that is present in this protein is aligned so that it faces the lumen of the er. if this protein is then moved to other endomembranes, at which surface of the membranes given below is this binding site unlikely to be found? a. internal face of the golgi apparatus membranes b. the internal face of lysosome membrane c. facing the intermembrane space of the nuclear envelop membranes d. the lumen face of the vesicle just derived from the golgi apparatus e. the cytosolic face of the plasma membrane