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3 years ago

Where was lower egypt located

2 answers:

4 0

Lower Egypt, Arabic Miṣr Baḥr, geographic and cultural division of Egypt consisting primarily of the triangular Nile River delta region and bounded generally by the 30th parallel north in the south and by the Mediterranean Sea in the north. Lower Egypt is the northernmost region of Egypt, which consists of the fertile Nile Delta between Upper Egypt and the Mediterranean Sea, from El Aiyat, south of modern-day Cairo, and Dahshur.

lidiya [134]3 years ago

3 0

<span>The exact location of Lower Egypt using the coordinates in a map as a guide is 30.60 degrees to the North and 31.10 degrees to the East. The borders were not specifically divided during the Ancient Egypt but Egyptians based its relationship to the area of the Upper Kingdom.

Lower Egypt mostly consists of major cities that were built along the river Nile. Memphis, Alexandria, Hermopolis, among others are Lower Egypt’s major cities. Cities were built in this area because when the River Nile breaks its banks each year, the soil around the area is ideal for crop growing. The famous Pyramids of Giza are also found in Lower Egypt. </span>

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Success is often blank by how well one dose the job

harina [27]

I don't know if there were multiple choice answers or anything but i would say, "determined"

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3 years ago

What would be the expected result if a competitive, nonhydrolyzable analog of ATP were applied to the cytoplasmic side of a plas

marusya05 [52]

Answer:

The cell interior would experience higher than normal Na+ concentrations and lower than normal K+ concentrations.

Explanation:

Na+/K+ ATPase exists in two forms: Its phosphorylated form has a high affinity for K+ and low affinity for Na+. ATP hydrolysis and phosphorylation of the Na+/K+ pump favor the release of Na+ outside the cell and binding of K+ ions from the outside of the cell. Dephosphorylation of the pump increases its affinity for Na+ and reduces that for K+ ions resulting in the release of K+ ions inside the cells and binding to the Na+ from the cells.

The presence of ATP analog would not allow the pump to obtain its phosphorylated form. Therefore, Na+ ions would not be released outside the cells. This would increase the Na+ concentration inside the cell above the normal. Similarly, the pump would not be able to pick the K+ from the outside of the cell resulting in reduced cellular K+ concentration below the normal range.

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3 years ago

2. A scientist wants to clone a molecule bearing UniProtKB accession number P43657. How will he come to

Whitepunk [10]

Answer:

II. Coding and noncoding segments of the molecule

Explanation:

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3 years ago

A geneticist isolates a gene for a specific trait under study She also isolates the corresponding mRNA Upon comparison, the mRNA

olga nikolaevna [1]

Answer:

C) no, the final mRNA contains only exons, the introns were removed

Explanation:

Exons are the coding areas while the introns are non-coding areas. Both of these are the sequences of nucleotide within a gene.

RNA splicing is a process which usually occurs as the RNA matures, causing the removal of introns ( non coding areas of the RNA ) i-e they will not be expressed in the final messenger RNA, while exons continue to form covalent bonds with one another to form a mature mRNA.

So in the given scenario, Upon comparison, the mRNA is found to contain 1,000 fewer bases than the DNA sequence because the introns were removed by RNA splicing.

Hence option C) no, the final mRNA contains only exons, the introns were removed is correct.

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3 years ago

Excitatory postsynaptic potentials (EPSPs) produced nearly simultaneously by different synapses on the same postsynaptic neuron

lakkis [162]

Answer: summation

Explanation:

The process which determine if an action potential will be generated or not depends on the combined effects of the signal inputs from multiple sources of synapse or from the repeated signals from the same synapse.

If the input signals reach the threshold voltage, action potential will be generated. (all –or –none principle).Therefore, this process is a determinant of the likelihood of action potential generation and it is called summation.

Summation is the ability to integrate multiple PSPs at multiple synapses.it is the process that determine if an action potential will be generated by combined effects of inhibitory or excitatory signals.

Based on the pathways and voulme of applied stimuli in the presynaptic neuron;

The signals can be temporal summation ( consecutive signals produced from the same synapse)where action potential of high frequency in the PSN generated action potential in the post synaptic neuron, which summate with one another. Or Spatial where signals inputs are from multiple presynaptic cells.

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3 years ago