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Anna007 [38]
3 years ago
10

According to the principles of hydrology, what happens to the freezing point of water when you add salt and raise the water pres

sure?
Biology
2 answers:
GREYUIT [131]3 years ago
8 0

Salt makes the water have a lower freezing point and a boiling point up to 650f

Alex73 [517]3 years ago
7 0
Water<span> boils when the molecules are able to overcome the vapor </span>pressure<span> of the surrounding air to move from the liquid phase to the gas phase.</span>
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Usatestprep--According to the model, what is the role of maltose in the maltose operon?
allsm [11]

Answer:

<u>Inducer</u>

<u></u>

Explanation:

Structural proteins within bacteria are encoded along with their functions. These are typically found in a block of genes called an operon. They undergo transcription together with the use of a single promoter sequence to form a polycystronic transcript- this allows for the simultaneous control and regulation of biochemical pathways. This is efficient as these pathways would either need to function together when "switched on" or will not be needed when "switched off". Repressors are proteins that effectively hinder translation by binding to DNA at the operator site, blocking the activity of RNA polymerase in transcription. However inducers are small molecules that can displace these, freeing up the operon for transcription and the activation of relevant biochemical pathways.

The mal operon includes genes which mediate the breakdown of the substrate maltose in bacterial cells. Maltose, called a malt sugar, is a carbohydrate compound made up of two glucose molecules joined by an α-(1,4) glycosidic linkage.

In the presence of maltose, the inducer binds to the activator. This then allows for the binding of RNA polymerase, which facilitates translation and th epr

5 0
3 years ago
Read 2 more answers
a mechanism that is effective in maintaining a normal glomerular blood pressure only if the systemic mean arterial pressure rema
rodikova [14]

A mechanism that is effective in maintaining a normal glomerular blood pressure only if the systemic mean arterial pressure remains between 80 and 180 mm hg is called renal autoregulation.

<h3>What is renal autoregulation?</h3>
  • Autoregulation is the inner characteristic of blood vessels present in end organs, like heart, kidney, and mind, by which they dilate or constrict in response to pressure changes, thus help to keep the blood flow generally steady.
  • Usually our body tries to regulate our blood pressure in range of 50 to 150 mm Hg.
  • Regulation of renal blood flow and glomerular blood pressure in kidneys is called renal autoregulation.
  • There are 3 mechanisms of renal blood flow namely myogenic response (MR), tubuloglomerular feedback (TGF) and third mechanism that is independent of TGF but slower than MR.

Learn more about renal autoregulation here:

brainly.com/question/28064114

#SPJ4

3 0
1 year ago
1.Compare and contrast a cold and warm front.
forsale [732]

Answer:

A cold weather front is defined as the changeover region where a cold air mass is replacing a warmer air mass. Cold weather fronts usually move from northwest to southeast. ... Warm fronts usually move from southwest to northeast and the air behind a warm front is warmer and moister than the air ahead of it.

ExplanationThere are four different types of weather fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts. the direction of flow of the air mass and its characteristics. so based on what we know i would say that warm fronts are calmest

7 0
3 years ago
Select the reasons why the term 'prokaryote' can be problematic.
miv72 [106K]

Answer:

__ It implies that prokaryotes existed before eukaryotes, and

__ It implies that eukaryotes evolved from prokaryotes.

Explanation:

The prefix pro- can mean "before". By using the term prokaryote one can tend to think that procaryotes preceded eukaryotes.

Preceed as existed before them, or as an evolutionary point of view.

5 0
3 years ago
you find that some cells have twice the amount of DNA in their nuclei as other cells do. What might you conclude?
Pie
They might be going through the S Phase of the cell cycle which is DNA replication. Usually, when the cells go through this phase they end up to dividing.
8 0
3 years ago
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