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In-s [12.5K]
2 years ago
14

1. Which cells of the pancreas are the endocrine cells? How were you able to differentiate these cells when viewing the slide? D

o these cells make up the majority or the minority of the pancreatic tissue?
Biology
1 answer:
Arturiano [62]2 years ago
8 0

Answer:

Explanation:

Endocrine cells in the pancreas are referred to as Islets of Langerhan. There are two major types; Beta cell that produce insulin and alpha cells that produce glucagon.

They are identified when viewed under slides based on their colour reactions with histological dyes. Tinctorial techniques that can be used to identify them under microscope includes; Mallory-Heidenhain azan trichrome, chromium hematoxylin and phloxine, aldehyde fuchsin, and silver impregnation methods.

Islets of Langerhan cells make up minority of the cell. Majority of them are for exocrine functions.

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Match each component of biodiversity to the example of how it contributes to ecosystem stability.
professor190 [17]

Answer:  

Genetic diversity: Some individuals in a population of wild rabbits are resistant to a new disease.

Ecosystem diversity: If the population of wild rabbits decreases, a bobcat can switch its diet to squirrels or woodchucks.  

Species diversity:  Populations of wild rabbits from a forest and from a neighboring meadow can interbreed, which increases variation.  

Biodiversity of an ecosystem is usually explored by three diversities which are responsible for ecosystem stability they are : genetic diversity, ecosystem diversity and species diversity.

Genetic diversity is the variety of genes within a population of species. Each species consists of individuals bearing different genetic composition. Some individuals in a population of wild rabbits are resistant to a new disease because they exhibit genetic diversity within the population as a consequence some individuals exhibit genes which protect them against new disease.

Species diversity is the variety of species within an ecosystem. Populations of wild rabbits from a forest and from a neighboring meadow can interbreed, which increases variation is an example of species diversity. The wild rabbits from a forest and a neighboring meadow are two species living in an ecosystem stating the diversity of species in an ecosystem.

Ecosystem diversity is the variety of ecosystems in a given region.If the population of wild rabbits decreases, a bobcat can switch its diet to squirrels or woodchucks is an example of ecosystem diversity because in an ecosystem there is interaction of organisms as predator prey relationship. This example is also relating with predator prey relationships in an ecosystem.


8 0
2 years ago
Read 2 more answers
Which details from the text reflect the cultural context of the historical period in which Marco Polo wrote his travelogue? Chec
Novosadov [1.4K]

Answer:

B,C,D are correct answers

3 0
2 years ago
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Which two life functions of animals help maintain the water cycle by recycling water back into the environment
Sholpan [36]
The answer has to be c
3 0
2 years ago
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How would signaling be affected if a mutation caused a g protein to replace gdp with gtp on its own without needing to be activa
Elan Coil [88]

Answer:

This mutation will produce a conformational change capable of maintaining the receptor continuously in its activated mode

Explanation:

G proteins are inactive when guanosine diphosphate (GDP) is bound, while they are active when guanosine triphosphate (GTP) is bound

5 0
2 years ago
You know that the narrow-sense heritability of milk production in Ayrshire cattle is 0.587. You perform an experiment where you
Paha777 [63]

Answer:

Explanation:

Narrow sense heritability - h​​​​2

​​​​​​selection differential - S

Selection differential is calculated from the difference between the population average and the parental population.

Breeder's equation:

Response to selection - R = h​​​​​​2S

Mean milk production of 10% cows for experiment = 8.9L/hr

Mean milk production of parental population = 5.1L/hr

Selection differential S= 8.9 - 5.1 = 3.8 L/hr

Response to selection = 0.587 × 3.8 = 2.23

3 0
2 years ago
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