More than 3.6 billion years!
Answer:
b. Alveolar dead space
Explanation:
Based on the information provided within the question it can be said that the statement that would best indicate that the nurse understands the condition would be "Alveolar dead space". This is because, this is the name of the condition being described by the pulmonologist. It is the sum of the volumes of the alveoli that are ventilated but not perfused due to almost no blood flowing through their pulmonary capillaries.
Answer:
24555 years
Explanation:
Data provided in the question:
Half life of carbon 14 = 5700 years
carbon present in the dead man = 5% of the original amount of carbon 14
Now,
let the initial Amount of carbon be 'A'
Therefore,
after half life
Amount of carbon = 
Thus,
= 
here,
k is the decay constant
t is the time = 5700 years
therefore,
1 = 
or
0.5 = 
taking natural log both the sides
-0.69314 = 5700k
or
k = - 0.000122
therefore,
for dead man Amount of carbon = 5% of A = 0.05A
thus,
0.05A = 
or
0.05 = 
taking natural log both the sides
we get
-2.995 = - 0.000122 × t
or
t = 24555.18 ≈ 24555 years
True! Hydrogen bonds hold two stands of DNA together by forming nitrogenous bases. <span>A (adenine) can </span>form hydrogen bonds<span> only with T (thymine)</span>
Answer:
Except alleles
Explanation:
Alleles are different versions of the same gene and that's because they have different DNA, even though it is slightly different it can make a lot of changes so that's why they have different alleles.
Allele is actually the variant form of some genes.
The best<u> example </u>for alleles we can find in the gene for blossom color in some species of flowers or plants. Only one single gene is controlling the color and we can see sometimes different versions of it. Those different versions are called Alleles.