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musickatia [10]
3 years ago
10

What is the region within a dividing cell where chromatids and homologous chromosomes align in both mitosis and meiosis

Biology
2 answers:
mars1129 [50]3 years ago
5 0

Answer:

In metaphase I, the homologous chromosomes line up at the metaphase plate. In anaphase I, the homologous chromosomes are pulled apart and move to opposite poles. Sister chromatids are not separated until meiosis II.

Explanation:

Shalnov [3]3 years ago
5 0

Answer:

occur in the cell nucleus

Explanation:

Mitosis and meiosis are part of the cellular reproduction processes that occur in living beings. They create cells that will serve the most diverse biological goals. In mitosis, the cells are identical to its mother cell. In meiosis, four daughter cells are created with half of the genetic material coming from the mother cell.

During the two processes, within the nucleus of the dividing cell, the chromatids and homologous chromosomes are aligned.

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It has been recently determined that the gene for Duchenne muscular dystrophy (DMD) is more than 2000 kb (kilobases) in length;
castortr0y [4]

Answer. D

Explanation:

After the messenger RNA (mRNA) is formed, it has to go trough different steps before being translated into proteins, also known as maturation of the mRNA. One of the most important steps is splicing, a process that removes the introns (regions of the sequence that do not codify for any particular amino acid sequence or protein). In other words, the splicing process removes sequences that do not generate any protein, leaving only the exons to be translated into protein. However, the genes (within our DNA) will contain exons and introns; Therefore, the gene sequence will have more kilobases compared to mature mRNA as the introns in this macromolecule have been spliced out.  

I hope this clarify your question .

7 0
3 years ago
What procedure would prepare agencies for a flu pandemic?
Korvikt [17]
The correct option would be c.

6 0
3 years ago
Place these steps of the insulin signaling pathway in the correct order from insultin is secreted to glucose enters the cell. Pl
horsena [70]

Answer:

1. Binding of insulin to the alpha subunit of the insulin receptor

2. Activation of insulin receptor tyrosine kinase

3. Phosphorylation of IRS proteins

4. Activation of PIP3-dependent protein kinase B (PDK1)

5. Phosphorylation of phosphinositide 3-kinase (PI-3K)

6. Conversion of PIP2 to PIP3

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8 0
3 years ago
Christie's doctor recommends that she eat 40 grams of protein a day. She's already consumed 50% of her protein recommendation fo
tia_tia [17]

Answer: The options are not given. The options are;

A. 1 B. 3 C. 4 D. 6

The answer is 4 which is option C.

Explanation:

Protein recommendations is the amount of daily required dietary proteins for a person base in its weight.

Christie's Doctor recommend 40grams of dietary protein and she has already consumed 50% of it. This meant that she has consumed about 20 grams of the required dietary protein and she needed additional protein source to complete her daily requirements. Therefore, Christie needs additional four servings of snacks to meet her daily protein recommendations.

4 0
3 years ago
A parent with the blood type A (genotype AO) and a parent with blood type B (genotype BO) have children with blood types A, B, a
garik1379 [7]

Answer:

Co-dominance because he expresses both of the alleles simultaneously

Explanation:

The ABO blood group system is used by humans. This blood group type is controlled by multiple alleles. Alleles A and B are both dominant over allele O but are co-dominant. Co-dominance is a type of inheritance pattern in which two alleles of a gene both express themselves i.e. neither is recessive.

This is the case of this family whose parents have a genotype of AO (blood type A) and BO (blood type B) respectively. The children have blood types A, B, and AB. However, the child with genotype AB possesses both the A and B allele, which are both expressed in his blood group (phenotype), hence, it can be said that the child is exhibiting CO-DOMINANCE for the blood group trait.

4 0
3 years ago
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