Dna is double stranded due to interactions between adenine, cytosine, guanine, and thymine, which are a) phosphates.
b) sugars.
c) bases.

2. what process do mrna and trna work together to complete? (3 points)

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)