a cell is placed into a salt solution because no osmosis is observed over time the solution must have been

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?