One reason is because the short days and long nights prevent the earth from warming up, another reason could be because the sun's rays in winter are more spread out thus minimizing the amount of energy
Answer
Most of these techniques, including microarray analysis and reverse transcription polymerase chain reaction (RT-PCR), work by measuring mRNA levels. However, researchers can also analyze gene expression by directly measuring protein levels with a technique known as a Western blot.
Answer:
b
Explanation:
they have a a physical mass that is easy to absorb through the roots of a plant allowing the plant to make its own energy from said nutrients
DNA stands for Deoxyribonucleic Acid, so it's an acid
