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AVprozaik [17]
3 years ago
8

Dr. Wagner is investigating a newly discovered, disease causing agent. She

Biology
1 answer:
VMariaS [17]3 years ago
6 0
Double-stranded RNA viruses (dsRNA viruses) are a polyphyletic group of viruses that have double-stranded genomes made of ribonucleic acid. ... The two groups do not share a common dsRNA virus ancestor. Double-stranded RNA viruses evolved two separate times from positive-strand RNA viruses. So therefore your answer is A
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An alleles is dominant is heterozygote when it is
Fittoniya [83]

An allele is dominant and heterzygote (Pp) when a dominant allele (P) is crossed with a recessive allele (p).

Explanation:

A dominant allele is the one with a particular dominant character or phenotype which dominates even though there are other alleles found.  

A heterozygous allele results from two different alleles coding for a gene.

A heterozygous dominant allele (Pp) results from the crossing of a dominant allele (P) with a recessive allele due to complete masking of the recessive allele (p).

For example, when dominant brown eyes are crossed with recessive blue eyes, in a heterozygous dominant allele results in brown eyes and masks the recessive blue eyes.

4 0
3 years ago
An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
Pie

Answer:

B. 18

Explanation:

An atom, which is the smallest indivisible particle of matter, further contains certain particles called SUB-ATOMIC PARTICLES namely: proton, neutron and electron. In a neutral/uncharged atom, the number of proton is equal to the number of electrons. The number of protons in an atom represent its ATOMIC NUMBER.

However, the sum of the proton number and neutron number gives the MASS NUMBER i.e. mass no. = proton no. + electron no.

Hence, according to this question which states that an atom has an atomic number of 17 and a mass number of 35. The neutron no. can be calculated as follows:

Neutron no. = mass no. - proton no.

Neutron no. = 35 - 17

Neutron no. = 18

8 0
3 years ago
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Suppose a person has a small intestine that has fewer villi than normal. Would the person most likely be overweight or underweig
lilavasa [31]
Most likely underweight, since the person isn't getting as many nutrients as everyone else, they wouldn't be able to gain as much mass.
4 0
3 years ago
Which type of cell has an organelle that controls the movement of materials in and out of the cell and maintains homeostasis?
oee [108]
Plant! The membrane controls what goes into and out of the cells.
6 0
3 years ago
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What is a Winter Storm Watch?
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Winter Storm Watch - National Weather Service Watch Warning Advisory ...

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WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... * WHAT...Heavy snow possible. Potential snow accumulations of 4 to 6 ...

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In the west, a series of storms will bring continued mountain snows and low elevation rains. River flooding will persist in the Mississippi and lower Ohio River Valleys into next week.

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