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3 years ago

Some joints such as the ones in your skull do not move at all. Why do you think it is important that skull cannot move

2 answers:

8 0

If we were able to move our skull it would be very weird.
if you moved your skull your face would look all mest up
in example is your eye sockets they would b moved somewhere else and then where would your eyes go?

uranmaximum [27]3 years ago

5 0

Because it serves as protection for a vital organ in the body. Also if the skull could move it would make the brain very vulnerable.

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In 2003, scientists completed the Human Genome Project, in which they completed the mapping of the human genome. Which is one wa

Katyanochek1 [597]

Answer: D. Individuals may now have their DNA analyzed to determine ancestry.

Explanation:

7 0

2 years ago

based on your observations, how are the chemical properties of iron and glass similar? how are they different?

Brums [2.3K]

Glass is brittle
Iron is malleable and ductile
glass is ressistant to corrotion
iron corrodes easily
Liquid doesnt dissolve the glass
some luquids can dissolve iron
iron is magnetic
glass isnt

4 0

3 years ago

10 facts about mutations

Salsk061 [2.6K]

Answer:

Explanation:

4 types of mutation:

Germline mutations occur in gametes. Somatic mutations occur in other body cells.

Chromosomal alterations are mutations that change chromosome structure.

Point mutations change a single nucleotide.

Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame.

3 more:

Over a lifetime our DNA can undergo changes or 'mutations?' in the sequence of bases?, A, C, G and T.

This results in changes in the proteins that are made.

Mutations can occur during DNA replication if errors are made and not corrected in time.

5 0

2 years ago

Wich is a nitrogen base that is located within an RNA molucule, but NOT within a DNA molecule?

gtnhenbr [62]

Answer:

The correct answer is Uracil which is nitrogen base found in RNA.

Explanation:

Uracil is a nitrogenous base which is located within an RNA molecule but not within a DNA molecule.

Uracil, represented by the letters A, G, C and U, is one of the four nucleobases that are found in the nucleic acid of RNA which binds to adenine.

While thymine is present in the DNA and binds to adenine.

6 0

3 years ago

Imagine you are surveying a population of a mountain range where the inhabitants live in the valleys with no inhabitants on the

Marta_Voda [28]

Imagine you are surveying a population of a mountain range where the inhabitants live in the valleys with no inhabitants on the large mountains between. If your sample area is the valleys, and you use this to estimate the population across the entire mountain range, you overestimate the actual population size

Explanation:

An estimate that turns out to be incorrect will be an overestimate if the estimate exceeded the actual result, and an underestimate if the estimate fell short of the actual result.
The mean of the sampling distribution of a statistic is sometimes referred to as the expected value of the statistic. Therefore the sample mean is an unbiased estimate of μ.
Any given sample mean may underestimate or overestimate μ, but there is no systematic tendency for sample means to either under or overestimate μ.
Bias is the tendency of a statistic to overestimate or underestimate a parameter. Bias can seep into your results for a slew of reasons including sampling or measurement errors, or unrepresentative samples

6 0

3 years ago