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LenaWriter [7]
2 years ago
6

One difference between the chromosomes of prokaryotes and those of eukaryotes is that:

Biology
1 answer:
vichka [17]2 years ago
7 0

Answer:

c

Explanation:

hope this helps <3

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A Kelvin (K) is a unit of measurement in the International System of Units. Which quantity is measured in Kelvin?
RSB [31]
The quantity that is measured in Kelvin is temperature.

Most of the time, especially in chemistry, they must convert Celsius into kelvin by adding 273.15 to Celsius. K = C + 273.5

Hope this helps!
5 0
3 years ago
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What best describes the association between the carbon cycle, plants, and animals.
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Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
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3 years ago
The nurse is caring for a client with giardia lamblia and anticipates that the provider will order what drug for the treatment o
USPshnik [31]
The answer to this question would be: <span>Nitazoxanide

</span><span>Nitazoxanide is a broad antiparasitic drug that can be used to treat infection of Giardia lamblia or Cryptosporidium parvum. It also a broad antiviral can be used for viral infection. 
Another drug that can be used for Giardia infection would be Metronidazole.</span>
5 0
3 years ago
Virtually all cells in the human body have the same DNA. What’s make some undifferentiated cells differentiated into brain cells
mariarad [96]

Answer:

Changes in gene expression

Explanation:

This phenomenon is the result of changes in gene expression. That means, how the information in the DNA is used by the cell. The genes that are active in the cells of the brain will be very different from the genes that are active in the cells of the bone marrow.

These patterns of gene expression are different for each cell, and dictate the identity of that cell. Gene expression patterns are controlled by a variety of factors in the cell that allow tissue-specific expression, such a transcription factors.

This can also be facilitated by another layer of regulation called epigenetics, which literally means "on top of" genetics, and refers to modifications of DNA (and the proteins around it), that can reflect and influence the activity of the genes within.

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3 years ago
The population in South Africa is more prone to sickle cell anemia (genotype "ss"). People with genotype "ss" survive only up to
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The answer is stabilizing selection.

<span>Sickle-cell anemia is a recessive disorder caused by the presence of two recessive alleles "s", so genotype is "ss". This disorder is characterized by sickle hemoglobin. In an area with malaria, heterozygous individuals "Ss" (with one dominant allele and one recessive allele) have an advantage. These individuals will have both normal and sickle hemoglobin. But pathogen that causes malaria affect only normal hemoglobin, so heterozygous individuals will have half of the hemoglobin resistant to the pathogen and those individuals are resistant to malaria.</span>

Stabilizing selection favors heterozygotes Ss,  disruptive selection favors dominant (SS) and recessive (ss) homozygotes, while directional selection favors dominant (SS) or recessive (ss) homozygote. Since in this example, people with genotype Ss (heterozygotes) are in advantage, then this is an example of stabilizing selection.

7 0
3 years ago
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