Which question? i’ll answer it in the comments when you tell me
Answer: True
Explanation: A mutation can help an organism survive in a particular environment. A mutation is a change in the nucleotide sequence of an organism. A mutation can be of three types - beneficial, harmful or neutral. A mutation is considered to be beneficial when it produces a variation that helps the organism to better adapt to its environment.
Answer: See explanation
Explanation:
1. High-density lipoprotein cholesterol is usually called the the good cholesterol due to the fact that it helps in removing other cholesterols that are harmful from ones blood. Normally, the higher the HDL levels in an individual, the better.
The risk of having an HDL of 25 is that it increases the chance of the person having a heart disease.
2. The healthy ranges for the following include:
a. Total cholesterol = Less than 200mg/dL
b. HDL = 40mg/dL or higher
c. LDL = Less than 100mg/dL
d. Triglycerides = Less than 150mg/dL
Yes, the data from mass spectrometry has helped modern scientists to make modifications to Dalton's model.
Dalton's model consisted of a single atom and that basically the atom is the smallest object. At the time, no discovered what are inside of atoms.
Atoms are made up of small particles, protons, neutrons and electrons. A mass spectrometer is an instrument that is able to see what is inside an atom. With this item, scientists have proved that atoms are not the smallest in the world cause the objects in them are smaller.
