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iris [78.8K]
3 years ago
10

A substance has a melting point of 0c and a boiling point of 100c the substance Is most likely

Biology
1 answer:
alexira [117]3 years ago
7 0
Water has those melting and boiling points.
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Identifying the genetic sex of a child is based on finding intracellular barr bodies that consist of?
AURORKA [14]

Identifying the genetic sex of a child is based on finding intracellular Barr bodies that consist of inactive chromatin material.

Inactive chromatin material is the one where no transcription takes place. It is also known by the name heterochromatin. It appears as a dark condensed form in the chromatin.

Barr bodies are the inactive X chromosomes. These are mad inactive by a process termed as lyonization. It is essential to make the chromosome inactive in organisms with XY type of sex determination. They are present at the periphery of the nucleus. Inactivation of X chromosome makes the amount of X chromosomes equal in both, males and females.

To know more about Barr bodies, here

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8 0
2 years ago
3. The mechanism in which organisms best suited for their environment survive<br> and reproduce.
lys-0071 [83]

The mechanism in which organisms best suited for their environment survive

and reproduce <u>NATURAL SELECTION.</u>

<u></u>

Explanation:

When individuals in a population compete for resources or live in their environment, the individuals with the slightest advantage over the others have an increased chance of reaching maturity and  reproducing to passing down their genes to the next generations.

Natural selection works on the variations of the population to ‘select’ the best alleles of genes in the population that offer an advantage in ‘survival for the fittest’. This how natural selection fits a population to its environment. The greater the variation within a population, the higher its capacity to adapt to changes in the environment.

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5 0
3 years ago
Brachiation is a form of locomotion: a. where movement occurs through the use of the arms and a specially adapted tail, which ca
weqwewe [10]

Answer:

b. where movement occurs through arm-over-arm swinging.

Explanation:

Brachiation is a form of locomotion observed in some species of animal that are adapted to arboreal (tree living) life.

<em>This type of locomotion involves the swinging of arms and the suspension of the body to move from trees to trees.</em>

Animals that exhibit brachiation usually have modified body structure with long forelimbs/hook-like fingers and a highly mobile shoulder joints. Examples of such animals include gibbons and siamangs.

The correct option is b.

7 0
3 years ago
9. What impact could a MUTATION in this protein have on future generations of Antarctic fish?
OLga [1]
Well a mutation is like a change in the DNA and so if there was a mutation in the antártica fish, something in their genes would change. If that mutation has a positive effect on it, then that mutation would be passed down to the generations of fish, helping that fish with its survival or something
4 0
3 years ago
Does divergence cause mountains to form?
Mkey [24]

Answer:

A divergent plate boundary often forms a mountain chain known as a ridge. This feature forms as magma escapes into the space between the spreading tectonic plates.

Explanation:

5 0
2 years ago
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