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Brut [27]
2 years ago
15

What are the types of stem cells?

Biology
2 answers:
vredina [299]2 years ago
6 0
The two main stem cell types are embryonic stem cells and adult stem cells. 
Nikolay [14]2 years ago
3 0
Embryonic stem cells,
Tissue-specific stem cells.
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Answer:

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Question 1 Antibody functions include all of the following except ________. A. binding and inactivating chemical toxins released
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C)

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antigen binding to B cell receptors

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3 years ago
Dr. Nachman and his colleagues collected rock pocket mice across 35 kilometers of the Arizona Sonoran Desert, which included bot
vlada-n [284]

Answer:

1)

  • frequencies of light-colored mice  ≅ 0.74
  • frequencies of dark-colored mice ≅ 0.26

2)

  • frequencies of light-colored mice ≅ 0.13
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3)

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4)

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5)

The dark-colored fur seems to have the greatest overall selective advantage

6)

Dark lava, that changed the color of the substrate, from light to dark.

7)

Because to produce dark color, animals from the different regions suffered different mutations that drove them to have almost the same dark fur color. All of the animals are inhabiting dark substrate, which means that this environmental condition is favoring the same phenotype.

8)

To see if the mice population is evolving, you need to take a sample of animals per year, through many years, and analyze if it is changing or not. If the population is evolving, you will notice a change in the allelic and genotypic frequencies over the years, favoring one genotype or the other. If the population is not evolving, the frequencies will keep equal through the years, it will not change.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
8 0
2 years ago
______ occurs because the nervous systems send messages to the muscles in the muscular system.
Ainat [17]

Answer:

action potentials

Explanation:

other possible answers:

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5 0
2 years ago
Read 2 more answers
What does characteristics which are shaped by the environment mean
xz_007 [3.2K]

Answer:

The right option is; B) the total variety of organisms on Earth.

Explanation:

The total variety of organisms on Earth explains biodiversity

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(I truly do apologize if I am wrong)

4 0
3 years ago
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