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solong [7]
2 years ago
15

Watson and crick were the first to suggest that dna is

Biology
1 answer:
grin007 [14]2 years ago
7 0

Answer:

they suggested that DNA could make exact copies of itself

Explanation:

The two had shown that in DNA, form is function: the double-stranded molecule could both produce exact copies of itself and carry genetic instructions.Watson and Crick developed their ideas about genetic replication in a second article in Nature.

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Describe the levels of organization of an organism that lives in your biome ?
Fittoniya [83]
The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
8 0
3 years ago
In the human, the allele for brown eyes, B, is dominant over the allele for blue eye,b. Which combination of alleles shown below
DochEvi [55]
There is no “below” that you mentioned but the gene combinations with bb would only be possible for blue eyes since big B (brown eyes) is dominant over b.
For example, if you were to do a cross and the father had Bb(brown eyes) and the mother had bb (blue eyes) the result would be
Bb,Bb,bb,bb. So there would be a 50% chance of blue eyes in the case :)
Hope this helped.
6 0
3 years ago
How many grams of solute are needed to make 250 mL of a 2.055 M NaCl solution?
Veronika [31]

Answer:

30grams

Explanation:

To calculate the mass (number of grams of the solute) in the solution, we need to calculate the number of moles it contains first. We use the formula;

M = n÷ V

Where; M= Molarity or Molar concentration = 2.055M

n= number of moles= ?

V= Volume = 250mL

Volume in L is 250/1000 = 0.250L

n= M × V

n= 2.055 × 0.250

n= 0.51375moles

The mass is calculated using :

Mole (n) = mass (m) / molar mass (MM)

Molar mass of NaCl = 23 + 35.5

= 58.5g/mol

Mass = molar mass × mole

Mass = 58.5 × 0.51375

Mass = 30.0543

Therefore, the mass is 30grams

7 0
3 years ago
Don't know how to do it
OLEGan [10]
Same but like I got to answer questions before I can ask so sry
7 0
3 years ago
A scientist is designing an investigation to study which color of peppered moth would have a higher survival rate in his neighbo
bulgar [2K]

I’m pretty sure The answer Is D. I did the test not to long ago and I got it all right. :)

7 0
3 years ago
Read 2 more answers
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