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2 years ago

Passive transport can be explained by which

Biology

1 answer:

Sedaia [141]2 years ago

7 0

Answer:

It must be large particles move into cells, unless there is another option

Explanation:

Passive transport does not require energy, so the first one is incorrect

Particles are moved from areas of high concentration to an area of low concentration, so the last one is also incorrect

So it should be large particles can move into cells, unless of course there is another option

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How is the number of nuclei in telophase different from the number of nuclei present in the cell at the beginning of mitosis

Rasek [7]

Answer: so in the beginning of mitosis there is only one nuclei but during telophase there are 2 nuclei

Explanation: I had the same exact question too but I did some research and I found the answer so here you go :) if I am missing anything please ask <3

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3 years ago

C₄ plants differ from C₃ and CAM plants in that C₄ plants _____. a. transfer fixed carbon dioxide to cells in which the Calvin c

lana [24]

Answer:

The correct answer is -transfer fixed carbon dioxide to cells in which the Calvin cycle occurs

Explanation:

In C4 plants the light reaction and Calvin cycle occurs in two different cell that are mesophyll cell and bundle sheath cells. First, the CO₂ is fixed into 4- carbon oxaloacetate by an enzyme PEP carboxylase.

Then this oxaloacetate is converted into a simpler form called malate. Malate molecule then enters into bundle sheet cell and there it releases one molecule of CO₂. This CO₂ enters the Calvin cycle which results in the sugar formation with the help of enzyme rubisco.

Therefore by releasing of CO₂ molecule by malate in bundle sheet cells, it transfer fixed carbon for the Calvin cycle to occur.

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2 years ago

How do barnacles eat? Do you think barnacles are able to eat when out of water? Why?

natima [27]

Answer:

<h2>When the tide goes out, the barnacle closes shop to conserve moisture. As the tide comes in, a muscle opens up these four plates, and the feathery legs of the barnacle sift the water for food.</h2>

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2 years ago

Glycolysis is the first step of cellular respiration, in which glucose is used to generate ATP to power the cell. The major chem

lutik1710 [3]

Answer:

The correct answer is b. C6H12O6 -> 2 C3H4O3+2 H+

Explanation:

Glycolysis occurs in both the condition aerobic and anaerobic so it does not require oxygen. In glycolysis, one glucose molecule is converted into two pyruvate( 2 C3H4O3) and two 2 ATP, 2NADH, and 2 H₂O are produced.

Initially, 2NAD⁺ is produced during glycolysis which is reduced to produce 2NADH and 2 H⁺. Therefore the correct equation is C6H12O6 -> 2 C3H4O3+2 H+.

Then this pyruvate is used in the Kreb cycle which is required for the complete breakdown of glucose into carbon dioxide and water and this process occurs in aerobic conditions. Complete oxidation is important to produce more energy from partially oxidized glucose.

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2 years ago

A tamping iron is used for?

mixer [17]

Answer:

An iron rod used for beating down the earthy substance in tamping for blasting.

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3 years ago