An experiment is conducted where a ruler is dropped with and without music playing, and reaction time is tested. What is the Negative Control Group? the ruler

listening to music or not

dropping the ruler without warning

the subject listening to music

the subject not listening to music

the type of music

the reaction time

the subject laying their arm on the table's edge

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

One of the newest applications of cell technology is called cybrid embryos. this process involves replacing the nuclear material of an animal cell with human nuclear material. how might this process affect public policies about research by using stem cells? the same policies and concerns about the use of human embryonic stem cells would most likely apply. the embryos would most likely be treated like traditional animal embryos and regulated accordingly. the process of forming cybrid embryos would most likely be banned by government regulators. the embryos would be treated as regular cells because they are not fully human in origin.

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?