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Anni [7]
3 years ago
12

Why does active transport involve ATP?

Biology
1 answer:
atroni [7]3 years ago
6 0

Answer:1.) solute too large for channels

2.) solute not lipid soluble

3.) solute not able to move down concentration gradient.

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All chordates have _____ (at some point in their life cycle). feathers diaphragm fins pharyngeal pouches
IceJOKER [234]
<span>The correct answer is pharyngeal pouches.</span>

   <span>All chordates for at least some period of their life have pharyngeal pouches (pharyngeal slits). Those are the openings in the pharynx with the function in the filter-feeding. Pharyngeal slits are present during the embryonic stages of tetrapod development. They <span>develop into gill arches  (bony fish) and into the jaw and inner ear (terrestrial animals).</span></span>
5 0
3 years ago
Conjugated enzymes consist of a protein ______ and a nonprotein _____. Multiple Choice apoenzyme; cofactor substrate; enzyme non
notka56 [123]

Answer:

<h2>Apoenzyme </h2><h2>Cofactors</h2>

Explanation:

Conjugated enzymes also known as holoenzyme. Simple enzymes consist of only protein alone  but  the Conjugated enzymes contain protein ( this portion is called Apoenzyme) and nonprotein molecules (this portion is called cofactor). Cofactor help enzymes in their action.

Enzymes are catalyst which increase the rate of a reaction by decreasing the activation energy.

5 0
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ALL veins carry:
natulia [17]

Answer:

the answer is

b. it carries blood towards the heart

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9. Because the sun heats sections of the Earth more or less, and hot
Nadya [2.5K]

Answer:

This shows the interaction between the earth and sun.

Explanation:

  • There is a variation in the amount of heat that reaches the different latitudes as the interaction between the sun and earth which firms different angles of incidence on the surface.  
  • The rays of the sun are more concentrated in mid latitudes that is the tropics and are slanting towards the poles this due the tilt in axis of earth.  
  • This variation lads the warm air to rise and reach the poles and similar the cold polar air reaches the tropics and develops a cycle of convective cells.  This leads to a latitudinal balance in temperatures.
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Where does the first stage of cellular respiration ,glucose occur
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All stages respiration occur in every single cell.
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