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3 years ago

How are atoms in molecules being rearranged into different molecules?

1 answer:

7 0

In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

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How are other organisms able to see in wavelengths that humans cannot?

topjm [15]

Because they have different Cones. Which simply means that some animals see certain types of colors or even Infrared or Ultraviolet, in which Humans cannot see.

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3 years ago

In 1918, the Russian Tsar Nicholas II was deposed, and he and his family were reportedly executed and buried in a shallow grave.

Arte-miy333 [17]

Answer:

This can be evaluated with DNA test- by comparing the mitochondrial DNA (mtDNA)of the Tsar family with the woman-Anastasia. Maternal DNA is inherited uninterrupted from generation to generation

Explanation:

The living consort of Queen of Elizabeth ,Prince Philip, is a grand nephew of Tsar Nicholas 11. They shared the same maternal ancestry.

Therefore, his mitochondrial must be maternal, and compatible with that of the Tsar Nicholar. Male children always inherit maternal mitochondria (mtDNA)and passed from generations to generation.

The blood samples of prince Philip can be taken, to extract the mtDNA,and matched with the sample of mtDNA obtained from the exhumed bodies of the Tsars, to reaffirmed the compatibility of the ancestry .

If sample of the compatible mtDNA, from price Phillip was compared with the mtDNA of the woman who claimed to be Anastasia, her claim can be validated.

Matched sample shows she was the daughter, while negative result proves otherwise.

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3 years ago

An animal dies in mud, decomposes, and leaves an imprint, which is later filled by sediment to form a solid copy of

EastWind [94]

Answer/Explanation:

Only the soft tissue is preserved. Normally the hard tissues are preserved(bones). But since the bones decomposed and was later filled with sediment, only the soft tissue was actually left by the animal.

8 0

3 years ago

PLEASE HELPP!! match the word with the definition

alexira [117]

Answer:

A. Miosis

B. DNA molecule

C. Body cells

D. phenotype

E. Recessive traits

F. genotype

G. Punnet square

H. nondisjunction

I. mitosis

J. sex cells

Explanation:

In meiosis cell division, a parent cell divides into four daughter cells whereas in mitosis, one cell divides into two daughter cells. If change occur in DNA molecules, mutation occurs. Phenotype refers to physical characteristics of an organism whereas genotype indicates genetic characteristics. Recessive traits only appears when the organisms have same traits or allele. Somatic cells is known as body cells whereas gametes is known as sex cells.

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3 years ago

Question 8 The ribosomal RNA connects the amino acid to the codon. True O False

Elis [28]

The answer for that is false

8 0

3 years ago