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kow [346]
3 years ago
8

If a DNA molecule is compared to a spirtual staircase, what parts make up steps?

Biology
1 answer:
Gnesinka [82]3 years ago
3 0

The answer for this question is pairs of nitrogen bases

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Order from largest to smallest: cell, bacteria, virus
Ganezh [65]

Answer:

Cell Bacteria Virus

Explanation:

Assuming it means Eukaryotic cells, they are larger than bacteria. Viruses are smaller than bacteria.

6 0
2 years ago
Who proposed the polynucleotide model stating that dna and rna were composed
BigorU [14]
Phoebus Levene was the one who proposed <span>the polynucleotide model stating that dna and rna were composed</span>
6 0
3 years ago
Consider the following five infectious diseases: Ebola hemorrhagic fever avian influenza SARS West Nile encephalitis mad cow dis
arsen [322]

Answer:

All these are emerging infectious diseases.

Explanation:

The emerging infectious diseases refer to the infections, which have appeared freshly within a population or those whose occurrence or geographic range is enhancing briskly or is threatening to upsurge in the coming time. The emerging infections can be a result of:  

1. Known agents, which have dispersed to novel geographic locations or new populations.  

2. Previously unknown or undetermined infectious agents.  

3. Previously known agents whose function in particular diseases was not determined previously.  

According to WHO, infectious diseases are emerging at a rate, which has not been noticed before. Since the 1970s, many infectious diseases have been discovered like Ebola, SARS, avian influenza, mad cow disease, and West Nile encephalitis.  

With the individuals traveling much more to far greater distances in comparison to the past, encountering with wild animals, and living in more densely populated regions has caused the emerging infectious diseases to spread briskly and is resulting in global epidemics, which is a major worry.  

4 0
3 years ago
Read 2 more answers
What plane would you make if you divided a thanksgiving turkey into equal right and left halves?
nasty-shy [4]
<span>In anatomical terms, this plane would be known as the midsaggital plane. This plane bisects the body of the organism along its midline, yielding two symmetrical halves. Since such a plan would run right along the ribcage of the turkey, dividing it as such, it would be the accurate anatomical descriptor for such a division.</span>
3 0
3 years ago
When testing the effect of penicillin on the growth of E. coli, penicillin would be considered the? A.independent variable B. de
Yuki888 [10]
A. It’s the thing you change and you’ll measure the E. coli growth
7 0
2 years ago
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