The restriction point is defined best as the point in the cell cycle a. where cells stop progressing through the cell cycle regardless of the stress they experience b. at which g1 ends and s-phase begins c. after which withdrawal of mitogens will not prevent cell cycle progression d. before which mitogens can not influence cell cycle progression e. after which mitogens can promote cell cycle progression

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?