If it takes 500 seconds for the light from the sun to reach
earth, what is the distance to the sun in meters? (the speed
of light is 300,000,000 meters/second.)

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set