TRUE OR FALSE: FIRST, CRYSTAL VIOLET STAIN IS APPLIED, A SERIES OF RINSES ARE USED, AND THEN A SAFRANINE STAIN IS APPLIED. A GRAM-POSITIVE BACTERIA CULTURE WILL STAIN PURPLE OR BLUE, WHILE A GRAM-NEGATIVE BACTERIA CULTURE WILL STAIN PINK.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.