I want to say environment but Im not sure. I hope this was helpful though.
Explanation:
Percentage w/v means that weight of solute present in 100 ml of a solution. Hence, 15% w/v means that 15 gram of solute per 100 ml of solution.
Hence, for 2 L (or 2000 mL) preparation the amount of mass will be calculated as follows.

= 300 g
Thus, we can conclude that weight of Tris-HCL required is 300 g.
Answer:
Explanation:
Dna is shaped as a double helix and has weak hydrogen bonds. They contain complementary base pairs (adenine and thymine) and (guanine and cytosine).
Hope this helps.
How do cells acquire homologous chromosome pairs that carry the alleles that are independently assorted? answer: Fusion of gametes.
The nurse should warn the patient about possible side effects of the medication, as well as read the notice before administration.
She should inform the patient not to administer in case of increased blood pressure, thromboembolic abnormality, change in liver tests, change in blood glucose, occurrence of obesity, risk of osteoporosis, and the appearance of breast cancer.