The second option: meiosis and fertilization
process A is meiosis, you can see that the gamete(haploid cell) results from the diploid cell. The gamete has n chromosomes(39), whereas the diploid cell has 2n(78)
process B is fertilization the two gametes(haploid) fuse together to form the zygote(diploid)
5: true
6: Oxygen
7: H+
8: true
Bacteria that change nitrogen gas from the atmosphere into solid nitrogen usable by plants are called nitrogen-fixing bacteria. These bacteria are found both in the soil and in symbiotic relationships with plants.
A line graph where the x axis is time and the y is velocity.
Be sure to include increments of measurements.
Answer:
Top one is Nucleus
Middle one is DNA
Bottom mRNA
Hope this helps!