Answer:
The four nitrogenous bases that are present in DNA are adenine, guanine, thymine and cytosine. These nucleotides can be radiolabelled before the new DNA forms and the composition of specific nucleotide of DNA can be estimated.
During the experiment, research team found that the incorporation of radioactive nucleotides composition increase after the introduction of pathogen in the culture. This means that the cell starts producing more number of cell to fight against the pathogen. The infection of pathogen is mainly responsible for the division of lymphocytes more rapidly.
B. sunlight
Autotrophs obtain energy through photosnthesis ( the sun)
Answer:
During Photosynthesis, Sunlight energy is used to break water down into oxygen and hydrogen
Explanation:
광합성 과정에서 햇빛 에너지는 물을 산소와 수소로 분해하는 데 사용됩니다.
Answer:
D. CO2 - Carbon(iv)oxide or carbondiooxide
Explanation:
Since CO2 is a product and not a reactant, the higher the temperature, the higher the rate of cellular respiration.
