(PLESE HELP) A 100-m long ski lift carries skiers from a station at the foot of a slope to a second station 50 m above the base. What is the mechanical advantage of the lift? 500

2

0.5

40

The  central dogma  of molecular biology is centered upon the process of protein synthesis, in which the information from dna is transcribed and translated, resulting in multiple amino acids being joined to form a)lipidsb)proteinsc)carbohydratesd)nucleic acids

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

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate