The discoverers of DNA were not James D Watson and Francis Crick. They are the first scientist to formulate an accurate description of the DNA’s (deoxyribonucleic acid) complex , double-helical structure. They discovered that base pairing nucleotides must be; adenine and thymine; and cytosine and guanine. These base pairs are held together by a hydrogen bond, atype of chemical reaction that s easy to break and easy to reform. The statement is “DNA is a double helix made of two strands linked together with hydrogen bonds.”
The answer is: codons.
Answer:
Using coal to generate electricity
Explanation:
APEX
Answer;
Two different shell patterns are increasing in frequency, while the most common pattern is decreasing(CA).
The statement that is most likely true about the population is that two different shell patterns are increasing in frequency, while most common pattern is decreasing.
Explanation;
Disruptive selection involves changes in population genetics such that the extreme values of a trait are favored over the intermediate values.
Disruptive selection often drives speciation.
It may also occur when environmental changes favor individuals on either end of the phenotypic spectrum.
B.people use soil differently
C.animals use soil in different ways
D.some countries do not have legislation protecting soil
Answer: A. the composition is based on the parent rock in that location.
Soil is formed by the process of withering of rock. Withering is a process of break down of rock into small fragments and further into small particles which aggregate in the form of soil by the action of agents like water and wind. The type of rock in a particular region may not be found other regions of the world. Also, the soil composition varies depending upon the type of parent rock withered to form that soil. Therefore, soil vary throughout the world because the composition is based on the parent rock in that location.