Jack is testing how sound travels. damon stood on the opposite side of the room and whispered a sentence to him. then, jack held a balloon to his own ear as damon whispered the sentence to him again. jack heard the sentence better the second time. how did the balloon affect the sound of damon's whisper? a) the latex the balloon is made of makes sounds seem louder. eliminate b) there is no air pressure inside the balloon, so it created a vacuum that made the sound louder. c) the pressure inside the balloon is less than the pressure inside jacks's ear, making the sound echo the second time. d) sound travels better through the compact molecules of air inside the balloon than the less compact molecules on the outside.

What effect does plate tectonics have an organic evolution

Considering the yellow and green pea color phenotypes studied by gregor mendel: a. what is the biochemical function of the protein that is specified by the gene responsible for the pea color phenotype? (1 point) b. a null allele of a gene is an allele that does not specify (or encode) any of the biochemical function that the gene normally provides (in other words, either no protein at all or only non-functional protein is produced from it). of the two alleles, y and y, which is more likely to be a null allele? (1 point) c. in terms of the underlying biochemistry, why is the y allele dominant to the y allele? (2 points) d. why are peas that are yy homozygotes green? (1 point) e. the amount of protein produced from a gene is roughly proportional to the number of functional copies of the gene carried by a cell or individual. what do the phenotypes of yy homozygotes, yy heterozygotes, and yy homozygotes tell us about the amount of sgr enzyme needed to produce a yellow color? explain your reasoning. (2 points)

Where can a dna be found in a prokaryotic cell