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mixer [17]
3 years ago
15

What is (are) the main difference(s) between passive transport and active transport? Group of answer choices Passive transport d

oes not require any cellular proteins; active transport requires cellular proteins. Active transport works against gravity (for example, upwards from the roots of a tree); passive transport works with gravity (downward). Passive transport occurs primarily in single-cell organisms; active transport occurs primarily in multi-cellular organisms. Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
Biology
1 answer:
11111nata11111 [884]3 years ago
8 0

Answer:

Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.

Explanation:

Active Transport works against the concentration gradient and therefore needs energy to make it happen

Passive transport such as Diffusion and Osmosis uses the properties of natural movement of particles which moves the molecules from areas of high concentration to areas of low concentration or down the concentration gradient and happens passively without the need for energy

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When comparing the yield of ATP from the different stages of cellular respiration, which produces the greatest number of ATP
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Answer:

The correct answer is - electron transport system.

Explanation:

There are 3 main stages of cellular respiration (aerobic) that are Glycolysis, the Kreb's Cycle and the ETS or Electron Transport Chain. The formation of energy in ATPare as follows:

Glycolysis - glucose > 2 Pyretic Acid Molecules =>2 ATP and Hydrogen

The Krebs Cycle - Citric Acid (a derivative of Pyruvic Acid) > 2 ATP in 4 cycles and  Hydrogen, carbon dioxide and water.

The Electron Transport Chain > electron carrying Hydrogens > releases the energy as 4 ATP and water

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4 0
3 years ago
The glomerulus differs from other capillaries in the body in that it ________.
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Answer:

The correct answer is "is drained by an efferent arteriole".

Explanation:

The missing options of this question are:

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D) has a blood pressure much lower than other organ systems

The correct answer is option C) "is drained by an efferent arteriole".

The glomerulus are a network of small blood vessels that are specialized to function within the kidneys. The role of the glomerulus is to filter plasma and being one of the steps of water absorption in the kidneys. The glomerulus differs from other capillaries in the body in that it is drained by an efferent arteriole, which carry the blood that has already filtered by the glomerulus.

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3 years ago
Choose the phrase that best describes West Germany after World War II.
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<span>B. democratic government

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3 years ago
Several species of fish in the genus Astyanax occur only in the waters in completely dark underground caves. These blind cave fi
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Answer:

a vestigial structure

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Vestigial structures are a rudimentary (or even functionless) version of a body part, but they have important functions in a closely correlated or evolutionarily close species, an example of which is the presence of eyes in fish of the genus Astyanax. The existence of these vestigial structures is strong evidence that evolution occurs in organisms, since this structure, today without much apparent function, may in the past have been extremely important to the ancestors of that species.

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3 years ago
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