Study the hertzsprung-russell diagram and answer the question that follows. the temperature of a star is 6000k and its luminosity is 1000. which type of star is it? a. white dwarf b. main sequence star c. giant d. supergiant

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Which hormones are synthesized from cholesterol? a. steroidsb. modified amino acidsc. peptidesd. glycoproteinse. all of the above

Which sex chromosome contains more genes? a.x b.y c.r