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sergejj [24]
3 years ago
6

How many years ago did the rock underneath Earth's outer layer melt into

Biology
1 answer:
andre [41]3 years ago
6 0

Answer:

4.5 billion years ago

Earth hasn't always been a blue and green oasis of life in an otherwise inhospitable solar system. During our planet's first 50 million years, around 4.5 billion years ago, its surface was a hellscape of magma oceans, bubbling and belching with heat from Earth's interior.

Explanation:

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What occurs at step 3 in the diagram?
Ivanshal [37]

Answer:

A

Explanation:

The restriction enzymes cut the isolated DNA into fragments

5 0
3 years ago
Read 2 more answers
In the life-cycle of the malaria parasite plasmodium, where does fertilization and formation of the zygote occur?.
daser333 [38]

Fertilization and formation of the zygote occur Within the body of mosquito.

Zygote, from the Ancient Greek (zygtós), "attached, yoked," from (zygoun), "to join, to yoke," A fertilization between two gametes produces  a eukaryotic cell. The genome of a zygote, which consists of the DNA from each gamete, is what makes up a new individual creature and holds all of its genetic material.

The zygote is the first developmental stage in animals with many cells. When an egg cell and sperm cell unite to produce a new, distinct organism, a zygote is created in humans and the majority of other anisogamous species. With the aid of mitosis, the zygote can divide asexually in single-celled organisms to create identical progeny. The chloroplast DNA (cpDNA) of a Chlamydomonas zygote is inherited uniparentally from the parent with the mt+ mating type; as a result, such cells are typically uncommon. The mapping of chloroplast genetics through recombination was made possible by these uncommon biparental zygotes.

Learn more about Zygote here:

brainly.com/question/465851

#SPJ4

3 0
1 year ago
Which of the following represents the codon sequence that
Elden [556K]

Answer:

ATAGTCCTA

Explanation:

a and t pair together and c and g so it would be ATAGTCCTA i think

3 0
3 years ago
Which of the following is an example of a non-living organism:
Aloiza [94]

Answer: Viruses are non living organisms.

Explanation:

7 0
3 years ago
Small body (nb), short spines (Is) and amoral are three recessive traits in stick the genes of which are linked on the same chro
melomori [17]

Answer:

The three genes in coupling are in repulsion.

Explanation:

Coupling happens when the dominant alleles and the recessive alleles are on the same homologous chromosome, while the repulsion happens when one chromosome has one dominant allele and one recessive allele and another homologous chromosome also has dominant and recessive alleles.

If the progeny has:

nb+ ls+ a/nb ls a ⇒ nb+ ls+ a

nb ls a+/nb ls a ⇒ nb ls a+

Where nb+ ls+ a is the dominant alleles and nb and nb+ is in middle.

ls+ nb+ are on the same chromosome (both dominant)

ls nb are on the same chromosome (both recessive)

ls nb, these two are in coupling with each other, but ls+ and a are on the chromosome and ls+ or nb+ are dominant, while nb+ and a are recessive on form a, thus, ls and nb, they are in repulsion with a.

3 0
3 years ago
Read 2 more answers
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