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hichkok12 [17]
3 years ago
12

Which of the following best describes the formation of the solar system?

Biology
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

The sun ejected rocky material, which later went on to form the planets.

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What two cell division processes use dna replication.
maks197457 [2]
<h2>The two cell division processes that use DNA replication are mitosis and meiosis.</h2>

7 0
2 years ago
La división meiótica produce ______________ células hijas haploides de cada célula diploide original. AYUDAAA
alisha [4.7K]

Answer:

El proceso general de meiosis produce cuatro células hijas a partir de una sola célula madre. Cada célula hija es haploide, porque tiene la mitad del número de cromosomas que la célula original.

Explanation:

Espero que esto te ayude :)

3 0
3 years ago
A bald eagle and a black bear both have four limbs with digits because they are both tetrapods, descendants of a four-limbed anc
Lisa [10]

The bald eagle and the black bear are tetrapods, which means that they both have four limbs along with the digits. This shows that they both are the descendants of the four-limbed ancestors. However, the limbs of the bear and the bald eagle have different functions. The forelimbs of both these organisms serves different purpose. Hence, their limbs are homologous organs. The homologous organs are those which have the same ancestry but the functions are different.

7 0
3 years ago
How do viruses spread and how do they affects your body? (Depending on which virus, you can pick any.)
Setler [38]

Answer:HOPE THIS HELPS :D

Explanation:

For coronavirus, it spreads when a person with coronavirus coughs, sneezes, get his or her saliva on another person, or when they get discharge from their nose on another person. I also know that if an infected person infects a non living object, the next person that touches it can get coronavirus by touching his or her body part. (Basically any where with holes including eyes, nose, mouth etc.)  coronavirus can stay on surfaces for a long time. I don’t know how long though.

5 0
3 years ago
Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both
Kay [80]

Answer:

genomic imprinting

Explanation:

Genomic imprinting is a mechanism for regulating gene expression that allows expression of only one of the parental alleles, although both alleles are functional. Unlike most genes in which expression is biallelic, genes that are subjected to this mechanism (imprinted genes) have monoalelic expression; By definition, in an imprinted loci, only one allele is active (maternal or paternal), and the inactive is epigenetically marked by histonic modification and / or methylation of cytosines.

Genomic imprinting can cause some disturbances, among them Prader-Willi syndrome, which is a genetic disorder that involves a partial deletion of chromosome 15q on the paternal chromosome.

3 0
3 years ago
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