Answer:
Beryllium's atomic number is 4
Explanation:
<u>Reason</u>
- Beryllium has 4 protons, 4 neutrons, and 4 electrons.
- This makes it a nuetral atom meaning that it contains an equal amount of protons and electrons
- This means that beryllium has a atomic number of 4
Answer:
All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions.
Answer:
The primary symptoms of Edwards Syndrome has primary symptoms such as:
- Physical Abnormalities. Microcephaly (small and abnormally shaped head)
- Micrognathia (abnormally small jaw and mouth) Long, overlapping fingers and underdeveloped fingernails. Scrunched fists. Low set-ears
- Heart Problems
- Developmental Problems
Explanation:
Variation may occur depending on its surroundings.
<h2>Sterilization techniques</h2>
Explanation:
(C) Place all materials in a biohazard bag and autoclave the bag.
Firstly,Autoclaving is a wet sterilization method. In an autoclave laboratory materials can be sterilized at a temperature of 120 degree Celsius under 2 atm pressure. Under these condition no cell could survive. Secondly bio-hazard bags are designed specially so that they could prevent the leak of such bio-hazards. So, to dispose off such pathogenic organism by placing the petridishes in bio-hazard bag and autoclaving will be the best method.
