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AleksandrR [38]
2 years ago
6

In a nonreciprocal interchomosomal translocation, a segment of a chromosome is 1. transferred to a different chromosome without

a reciprocal exchange of genetic material 2. transferred to a new location on the same chromosome without a reciprocal exchange of genetic material 3. exchanged with an identical segment on a sister chromatid 4. exchanged with an identical segment on a different chromosome.
Biology
1 answer:
Aloiza [94]2 years ago
8 0

Answer:

Transferred to a different chromosome without a reciprocal exchange of genetic material

Explanation:

Translocation is one of the structural abnormalities of chromosomes. During translocation, a segment from the chromosome breaks off and attaches to the non-homologous chromosome. Translocation can be reciprocal or nonreciprocal.

In reciprocal translocation, the exchange of chromosomal segments occurs between two non-homologous chromosomes. On the other hand, the nonreciprocal translocation, one chromosome loses its segment to a non-homologous chromosome but does not get the same from the recipient chromosome.

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Answer: To be in the qualifying weight range wrestler have to lose weight for 8 weeks more.

Explanation:

Current weight of Wrestler = 189 pounds

Maximum Weight required to get qualify = 185 pounds

Weight required to reduced by wrestler= 189 pounds - 185 pounds = 4 pounds

0.5 pounds is reduced in 1 week

1 pound will  reduce in =\frac{1}{0.5} weeks= 2 weeks

4 pounds will reduce in = 2 weeks × 4= 8 weeks

To be in the qualifying weight range wrestler have to lose weight for 8 weeks more.

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What is the major factor that limits the size of cells
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Answer:

The factors limiting the size of cells include: Surface area to volume ratio (surface area / volume) Nucleo-cytoplasmic ratio. Fragility of cell membrane.

Explanation:

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Into which of the six kingdoms should the organism be placed?
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Explanation:

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3 years ago
What are the three main parts of the cell cycle
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Answer:

interphase. period of the cell cycle between cell divisions.

Mitosis. cell division in which the nucleus divides into nuclei containing the same number of chromosomes.

cytokinesis. division of the cytoplasm during cell division.

Explanation:

The cell cycle, or cell-division cycle, is the series of events that take place in a cell leading to duplication of its DNA (DNA replication) and division of cytoplasm and organelles to produce two daughter cells. In bacteria, which lack a cell nucleus, the cell cycle is divided into the B, C, and D periods. The B period extends from the end of cell division to the beginning of DNA replication. DNA replication occurs during the C period. The D period refers to the stage between the end of DNA replication and the splitting of the bacterial cell into two daughter cells.[1] In cells with a nucleus, as in eukaryotes, the cell cycle is also divided into two main stages: interphase and the mitotic (M) phase (including mitosis and cytokinesis). During interphase, the cell grows, accumulating nutrients needed for mitosis, and undergoes DNA replication preparing it for cell division. During the mitotic phase, the replicated chromosomes and cytoplasm separate into two new daughter cells. To ensure the proper division of the cell, there are control mechanisms known as cell cycle checkpoints.

5 0
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You are interested in obtaining Staphylococcus aureus for a study investigating the prevalence of methicillin-resistant Staphylo
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Answer:

You are interested in obtaining Staphylococcus aureus for a study investigating the prevalence of methicillin-resistant Staphylococcus aureus in the general population. You have received several samples and are ready to start your isolation procedures. Describe the personal protective equipment that would be needed and three different culturing techniques that can be used to obtain organisms to produce pure cultures. State if you use general or selective media and which specific media you would choose. How would you determine if the culture was contaminated? What is the first step you would take if you detected contamination?

Personal Protective equipment needed; No special precautions are necessary when working with methicillin-resistant staphylococcus aureus, staphylococcus aureus is a bio-safety level

Three different culturing media; to include;

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  • Disc Diffusion
  • Latex Agglutination.

Properly enriched selective media is used.

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The best specific media is latex agglutination test and oxacillin salt agar screen.

How to determine if the culture was contaminated;

It can be spotted by the turbidity of the growth medium or the floating branching mycelia, bacteria contamination can be detected under 10× microscope within few days of contamination.

Step to take if contamination is detected;

Biological contamination is a serious issue and being able to correctly identify different types of contamination is an essential first step in ensuring the safety of your culture.

Explanation:

The literature on methicillin susceptible testing is extensive, and often conflicting in recommendations regarding the most important method for routine use. this is partly because the various studies of phenotypic methods have included different strains, which may differ significantly in heterogeneity and behave differently under particular test condition.

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