1 pound = 0.45 kg
Therefore
18 pounds = 18 x 0.45 = 8.1 Kg
But, the dosage is 5 mg per kilogram of the body.
Thus,
5 mg for each of the kg will be
5 x 8.1 = 40.5 mg
Therefore, 40.5 mg Ibuprofen for 18 pounds body weight
Answer:
1/2 or 50%
Explanation:
B is dominant over b and T is dominant over t.
BbTt is crossed with BBtt
BbTt x BBtt = 4 BBTt, 4 BBtt, 4 BbTt and 4 Bbtt
4 BBTt = black fur with short tail
4 BBtt = Black fur with long tail
4 BbTt = Black fur with short tail
4 Bbtt = Black fur with long tail.
8 of the offpring have black fur with long tail while 8 also have black fur with short tail.
The proportion of offspring having black fur with long tail is 1/2 or 50%.
A single photosystem can't provide enough energy for the electrons it transfers its energy to.