The best answer is B.
In the year 1962, Maurice Wilkins and Francis Crick jointly received the Nobel peace prize in physiology and medicine for their determination of the structure of deoxyribonucleic acid (DNA) in the year 1953. Their colleague called Rosalind Franklin was not there at the time because he had died of cancer earlier on.
Once the double helix structure and the molecules of DNA was known it brought a new and better understanding of heredity and hereditary disease
Answer:
A. freezing and thawing
B. plant growth
D. abrasion
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:
hope this helps :D
Answer: chain link fence
Peptidoglycan could be found in high number on gram positive cell walls. The structure of peptidoglycan looks like a cross link which makes it sturdy, so rain coat would be false. It is not an impenetrable brick wall because it still allow some ion and food pass through it. Sugar candy coat sounds good but chain link fence would be better.
Genotype is not the only thing that effect phenotype because you have environment effects as well that can cause a vary of things.....
reproductive cells like eggs and sperm