Mammals like caribou that live in the arctic often have different lipids in the cells of their legs compared to the cells of their internal organs. their legs get colder than their internal organs, which stay warmer. indicate true or false which of the following adaptations you would expect to find in membrane lipids from the cells of caribou?
a. the lipids would be more saturated. b. the fatty acyl tails of the phospholipids would be shorter. c. the membranes would contain more cholesterol

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

The response is the basis for vaccination. primary secondary tertiary none of the above

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.