Electron shell is the outer orbital, while the inner orbital are just called orbitals.
Answer:
Abnormal BRCA1 and BRCA2 genes are found in 5% to 10% of all breast cancer cases in the United States. A study found that women with an abnormal BRCA1 gene had a worse prognosis than women with an abnormal BRCA2 gene 5 years after diagnosis.
Explanation:
No, not every scientific method begin with an observation. on basis of what we want, steps for scientific method changes.
And in scientific method before observation, first we predict (what will happen in the experiment). after prediction we observe. Prediction is known as hypothesis. And observation is what we are viewing.
Ecological succession provides diversity and depth to a biotic community. Without it, life can not grow or progress. ... ( I don’t know if this will help you but here you go. )
<span>the flowchart that explains how genes are passed to offspring is :
C. DNA - RNA - Protein - trait
DNA provide the cell with genetic data to be paseed to the offspring. RNA helped carried out that genetic blueprint from nucleus to ribososm. Protein is used as a template for organism development, and then trait is passed</span>
