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Biology

1 answer:

IceJOKER [234]3 years ago

6 0

Answer:

A. The prism's index of refraction for violet light is greater than 1.35.

Explanation:

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Hunger is best described as__________.

Andrews [41]

Answer:

A) a physiological desire to consume food is the correct answer.

Explanation:

Hunger is a feeling that the person needs food to eat.
Hunger makes the body weak and vulnerable to infections because the body does not get adequate food to fight against the infections and due to hunger people suffer from malnutrition and if children remain hungry they often have abnormal in their growth.

hunger is caused because of poverty, job instability, food shortages, poor infrastructure, nutritional quality.
Symptoms of hunger are:
Feeling of growling and emptiness in the stomach.
Dizziness
Gurgling in stomach
not able to concentration
headache
irritability
nausea

8 0

3 years ago

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Aphids are tiny insects that feed on plants. Ladybugs are helpful to plants because they eat aphids.

sergejj [24]

Answer:

Prey

Explanation:

The aphids are the prey of the ladybug.

8 0

3 years ago

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1. The diagram below represents a cell and several

Ray Of Light [21]

Explanation:

(3) active transport

The molecules would be moving against their concentration gradient from a region of low concentration to a region of high concentration.

While cells facilitate the transport of molecules via movement across the cell membrane, there many different mechanisms. These include passive diffusion, facilitated diffusion, and passive transport. However some very large molecules require specialized type of active transport, which requires energy in the form of ATP, in order to move substances across the membrane against their concentration gradient.

Active transport is a mediated process that requires an energy input and the use of specialized membrane proteins to move against the concentration gradient. These proteins require energy in the form of adenosine triphosphate or ATP in order to facilitate necessary conformational changes to the large protein molecules to alter the spatial location of the molecule. For instance, with Na+, K+ pumps in cell membranes.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

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