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3 years ago

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Biology

2 answers:

Salsk061 [2.6K]3 years ago

6 0

Answer:

.....

Explanation:

earnstyle [38]3 years ago

4 0

The Detroit lake of Oregon receives the orographic type of rainfall where the Gateway region of Oregon is falling in the rain shadow region. So Detroit receives a huge more amount of rainfall as compared to Gateway region.

<h3>Explanation:</h3>

The orographic type of rainfall is dependent on the landform of a region. As a mountain lies by the side of a huge lake or sea, the moisture laden wind that is coming from the sea or the lake rises along the mountain. As it ascends, the temperature of the atmosphere cools, which condenses the water vapour and the rain is precipitated on the same side of the mountain. As the wind reaches the opposite side of the mountain, it's already dry again, so very little amount of precipitation is seen there.

Same is the case with Detroit and Gateway where the Detroit lies between the Pacific ocean and Rocky mountains whereas the Gateway lies on the opposite side of Rocky mountains and doesn't get the rainfall.

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Which processes are directly responsible for the presence of the different species of wheat and corn shown in the diagram above?

Ksju [112]

Answer:

wheat is like a crop because first you have that to plant to get corn

Explanation:

7 1

3 years ago

Like all enzymes, restriction endonucleases (REs) need to be handled very carefully to ensure that they do not denature. Which o

andriy [413]

Answer:

The correct answer is: d. REs activity is best preserved by freezing the RE and thawing it out for brief periods of time as needed.

Explanation:

Restriction enzymes can be defined as endonucleases that can recognize specific nucleotide sequence in a DNA (Deoxyribonucleic acid) sequence and cause breakage of phosphodiester bond in the DNA at the target site. Hence, it has the capacity of cleaving a DNA sequence.
These are made up of proteins which are required to be present in the accurately folded conformation in order to function.
Any form of alteration in the three-dimensional structure of the protein induced due to physical, chemical, mechanical or physiological factors can cause denaturation of the protein which in turn can render the protein non-functional.
Freezing of restriction enzymes (REs) directly without the use of glycerol will cause the movement of water molecules within the proteins as well layering of water molecules on the protein surface.
At low temperature these water molecules change to ice crystals which can alter the conformation of the protein or can cause breakage of peptide bonds in the proteins by physical force.
This can cause the protein to get denatured and hence non-functional.
Hence, it is never advisable to preserve REs by freezing directly without glycerol.
Glycerol forms a layer around the protein molecules and prevents the protein molecules from coming into direct contact with the water molecules and hence prevents protein denaturation.

7 0

3 years ago

Read each description below regarding innervation of the ANS. Then click and drag each into the appropriate category base on whe

Anna35 [415]

The question is incomplete. Here is the complete question.

Read each description below regarding the dual innervation of the ANS. Then click and drag each into the appropriate category base on whether it is an example of antagonic or cooperative innervation.

The sympathetic division stimulates mucus production by salivary glands while the parasympathetic division stimulates enzyme secretion.

The sympathetic division stimulates am increase in heart rate while the parasympathetic division stimulates a decrease in heart rate.

During sex, the parasympathetic division stimulates arousal while the sympathetic division stimulates orgasm.

The parasympathetic division constricts the pupils while the sympathetic division dilates the pupils.

Antagonistic:

Cooperative:

Answer: Antagonistic: The sympathetic division stimulates am increase in heart rate while the parasympathetic division stimulates a decrease in heart rate; The parasympathetic division constricts the pupils while the sympathetic division dilates the pupils.

Cooperative: The sympathetic division stimulates mucus production by salivary glands while the parasympathetic division stimulates enzyme secretion.; During sex, the parasympathetic division stimulates arousal while the sympathetic division stimulates orgasm.

Explanation: The peripheral nervous system is divided in Somatic Nervous System (SNS) and Autonomic Nervous System (ANS). The first is responsible for sensory input and voluntary motion.

Autonomic Nervous System is divided into Sympathetic and Parasympathetic divisions and is controls the fight-or-flight and rest-and-digest situations. Usually, an organ with sympathetic and parasympathetic innervations have antagonic function, such as the heart rate - one system causes the heart rate to increase while the other stimulates the rate to decrease. However there are cases in which the combination of the 2 systems cause an increase of stimulation, producing similar effects.

Analysing each category above, it is deductable that when the sympathetic stimulates mucus production and parasympathetic, enzyme secretion and when the parasympathetic stimulates arousal and sympathetic, orgasm, in both cases, they have cooperative innervation.

On the other hand, when sympathetic stimulates increase in heart rate and parasympathetic, decrease in the rate, as stated before, and one stimulates constriction of the pupils and the other, dilation of the them, those are examples of having antagonic innervation.

5 0

3 years ago

Add to this diagram and explain why a cell needs to constantly break down ATP to make ATP

leonid [27]

Anything that the cell does require energy also known as ATP so the process of breaking down ATP uses ATP and vice versa

7 0

3 years ago

Do animals and plants have ribosomes?

Anna [14]

Answer:

Yes they do.

Explanation:

Both plant and animal cells contain ribosomes. Some may be found floating in the cytoplasm while others may be found in the rough Endoplasmic Reticulum.

6 0

3 years ago