16% of the population is unable to taste the chemical ptc. these non-tasters are recessive for the tasting gene. write the formula each time. 1. what percentage of individuals in the population are tasters? 2. what is the frequency of the dominant and recessive allele? 3. what percentage of the population are heterozygous for the trait?

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point