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bearhunter [10]
3 years ago
9

The estimated number of animals euthanized in shelters each year is ___________ the estimated number of shelter animals adopted

each year. ansc207
Biology
1 answer:
Montano1993 [528]3 years ago
8 0
Approximately 1.5 million
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Marianne is comparing two animals: a fruit fly and a fruit bat. She asks, "Do a fruit fly and a fruit bat share a common ancesto
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The answer is; YES

All organisms share one common ancestor in the beginning of life. Different species have branched at different times from common ancestors hence he evolutionary tree looks like tree called a cladogram. The nodes represent the common ancestry while branches depict divergence. Therefore even fruit flies and the fruit bats even though they do not belong to the same species shared a common ancestor at one time in history.

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2 years ago
A gel electrophoresis is performed, but when the gel imager is used, no bands appear. the researcher might have forgotten to: (c
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The answer is;

a. add electric current.
b. add buffer solution

The process of gel electrophoresis taps on the property of net charges of molecules to ensure that they travel up the gel. Additionally, the buffer acts as the mobile phase for the molecules and also give molecules net charge as they travel through the gel. It is until the molecules reaches an isoelectric point,where the molecule has zero net charge, that they stops moving through the gel. This is how bands are formed.
7 0
3 years ago
1. A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the geno
bazaltina [42]

frequency of the dominant allele in the population ... 2pq = frequency of heterozygous individuals. A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb.


6 0
3 years ago
What is a compound microscope
Arte-miy333 [17]

Answer:The optical microscope, often referred to as the light microscope, is a type of microscope that commonly uses visible light and a system of lenses to magnify images of small objects.

Explanation:Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.

7 0
3 years ago
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Cells that are genetically identical will express the same level of each gene within its genome. (T/F) Cells that are geneticall
aniked [119]

Answer:

false

Explanation:

this goes for identical twins: identical twins can have the same level of gene within the genome but they are genetically not identical.

this is due to different stages of cell division that occur during embryo development.

3 0
3 years ago
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