The sides of the double helix of the DNA are made up of sugar and phosphate backbone. The sugar is deoxyribose in case of DNA and ribose in case of RNA. The bridges are formed of the nitrogenous bases; adenine, guanine, thymine, and cytosine. RNA contains uracil n place of thymine.
Answer:
Examples of mechanical weathering include frost and salt wedging, unloading and exfoliation, water and wind abrasion, impacts and collisions, and biological actions. All of these processes break rocks into smaller pieces without changing the physical composition of the rock.
Explanation:
Mechanical weathering involves mechanical processes that break up a rock: for example, ice freezing and expanding in cracks in the rock; tree roots growing in similar cracks; expansion and contraction of rock in areas with high daytime and low nighttime temperatures; cracking of rocks in forest fires, and so forth.
Codominant is the correct answer because both alleles for the phenotype A and B are dominant
Answer:
Grass
Explanation:
The higher up you go in a food chain, the less energy available and the more you have to use to acquire energy.
