what is true about the relationship of dna and chromosomes?
a. chromosomes unwind the dna molecule so that sections can be made into genes by rna.
b. each chromosome contains a single, tightly, would dna molecule.
c. various nucleotide sequences of dna code for different chromosomes.
d. chromosomes manufacture the proteins that build the dna molecule.

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)

Explain how light energy is turned into chemical energy? ! due tomorrow!