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kakasveta [241]
3 years ago
6

PLS HELP!!! BRAINLIEST TO FIRST RIGHT ANSWER

Biology
2 answers:
stealth61 [152]3 years ago
5 0

Answer:

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

Explanation:

lys-0071 [83]3 years ago
4 0

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

The total variety of organisms on Earth explains biodiversity

Biodiversity is the variety and variability of all species (different plants, animals and microorganisms) from all sources (marine, terrestrial and other aquatic ecosystem) on earth or within a particular region. Biodiversity involves genetic diversity, species diversity and ecosystem diversity which all functions together to form the complexity of life on earth.


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In a solution, the solute is the substance present in the greatest amount.
amid [387]
The answer to this question would be false.

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There are no rules state that solute should always be the greatest amount.
5 0
3 years ago
The testcross makes it possible to determine the genotype of an individual of unknown genotype who exhibits the dominant version
klio [65]

Answer:

All of the above answer choices are correct.

Explanation:

Test cross is done to find out the genotype of an individual displaying dominant phenotype as it can be homozygous or heterozygous. To find this the individual is crossed with a recessive phenotype individual. For example: a dominant trait tall height can be homozygous TT or heterozygous Tt. If it is TT all the offspring of test cross with tt will be tall. If it is Tt half of the offspring will be tall and half of the offspring will be short.

Multiple offspring are required to come to the final result because offspring production happens in random order and it might take a few tries before another type of phenotype is produced. For example: If a test cross produces an individual with dominant phenotype we can still not surely say if the test individual is homozygous or heterozygous because both can produce dominant phenotype in test cross. We need more offspring to check if the recessive phenotype is produced or not and accordingly decide the genotype of test individual.

Hence all of the above answer choices are correct.

6 0
3 years ago
Discuss how defective G protein function is associated with cholera.
Dvinal [7]

Answer:

The function of G-Protein’s become defective and abnormal after the addition ADP-ribose to the G protein by the A sub unit. this phenomenon is called as ADP-ribosylation which result in the permanent activation of G-protein . When the G-Protein become active, the enzyme adenyl cyclase converts ATP into cAMP. Increase concentration in the cAMP blocks the transportation of sodium from the lumen into the bloodstream. the amount of  Chloride and bicarbonate also increases. Due to the continuous increase of the ions, water moves into by osmosis from the bloodstream and cholera occurs.

Explanation:

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i really hope this helps (:</span>
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3 years ago
According to Jean piaget most preschool children are in the ______ stage of mortal development ?
vladimir1956 [14]
I think the sensorimotor stage
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3 years ago
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