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bonufazy [111]
3 years ago
15

Viruses can only be studied in detail using a(n) _____.

Biology
2 answers:
PtichkaEL [24]3 years ago
8 0
C. electron microscope
boyakko [2]3 years ago
6 0

Answer;

Electron microscope

Explanation;

Electron microscopy (EM) has long been used in the discovery and description of viruses. Viruses have a size of roughly 1/100 of bacteria (or smaller), so they are too small to be seen in light microscopy.

Viruses are considerably smaller, as they are merely nucleic acid surrounded by a protein shell as opposed to an entire living cell. Viruses typically range from 20-400 nm, which means an electron microscope is needed to see them.

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The allele for brown fur in mice (B) is dominant over the allele for white fur (b).
evablogger [386]

Answer:

Genotype: Bb (heterozygous)

Phenotype: brown fur

Explanation:

Since allele B is dominant to allele b, as long as genotype has allele B in it, its effect of phenotype will be expressed instead, regardless of whether allele b is present.

As mouse genotype is stated as Bb, on the chromosome from its parents, allele B comes from one parent while allele b is inherited from the other parent.

Phenotype is the expressed trait. In this case, as genotype has allele B, the phenotype will be brown fur as its effect is expressed.

7 0
3 years ago
How does nitrogen leave a food chain?
vitfil [10]

Answer: c

Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.

7 0
3 years ago
Predators avoid the coral snake because it is poisonous. Predators also avoid the non-poisonous snake because it resembles a the
AlexFokin [52]
Mimicry should be the answer to this
5 0
3 years ago
0. Which of the following is scientifically accurate? A. Mutations can be beneficial to organisms. B. Mutations arise due to cha
s2008m [1.1K]

Answer:

Option A, C and D

Explanation:

Mutations can be beneficial and call also not be beneficial. Examples of beneficial mutation includes laptop tolerance, HIV resistance etc. This mutations occur as changes in the nucleic acid sequences (DNA; which is made up of the four nitrogenous bases, deoxy/ribose sugar and phosphate group. Changes in these bases can bring about mutations that are beneficial) of organism and also it depends on where in the genetic code they occur. Beneficiary mutations can bring about increased fitness of the organisms involved.

7 0
3 years ago
Is natural gas from the hydrosphere, the biosphere, the geosphere, or the atmosphere?​
Katen [24]

Answer:

The atmosphere.

Explanation:

Hope this helps :)

3 0
3 years ago
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