Rule 1. aufbau rule - energy levels filled so lowest energy level filled first.
Rule 2. pauli exclusion principle - maximum of 2 electrons may be placed in each energy level. Provided the spins of electrons are of opposite sign.
Rule 3. hunds rule - when energy levels are equal one electron is added to each energy level in turn with their spins unpaired until each energy level has one electron.
Scientist are able to choose genes to give to animals.
Answer:
B) a higher protein to lipid ratio.
Explanation:
The cell membrane of eukaryotes is known to be a phospholipid bilayer with embedded proteins. This implies that the first tube will contain a higher amount of lipids.
The membrane of the mitochondria is slightly different from the cell membrane in which its protein to lipid ratio is higher, containing a large number of integral proteins.
The nurse could say that using a central venous catheter is better for prolonged patients because the regular peripheral IV should be changed every 72 to 94 hours. It will be also be better to use this with large dosages of IV, fluid and medicine.
Answer:
C. Using cell phones while driving increases the likelihood of crashing.
Explanation:
As the statement mentions, science and technology have improved our livelihoods significantly. However, they have also brought numerous disadvantages.
The development of cell phones has made our lives easier. In contrast to [only] 50 years ago, <u>communication has become extremely easy and fast</u>. We are able to share our location with someone in less than a minute and to call a family member even if we are thousands of kilometers away.
However, people are now overusing these equipments, which has led to an increase of road accidents due to the lack of concentration while driving. For instance, according to statistics, in 2018 over 4,000 people died in car crashes because they were using cell phones while driving.
Therefore, <u>a negative effect of using cell phones would be C. using cell phones while driving increases the likelihood of crashing.</u>