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Nadusha1986 [10]
3 years ago
13

The gentoo penguins of Antarctica depend on the icy habitat for nesting areas for their young. How could increased methane in th

e atmosphere affect the population of gentoo penguins in Antarctica?
Biology
1 answer:
Komok [63]3 years ago
4 0
<span>The penguin population will decrease due to shorter and warmer winters.

</span>
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What happens when ATP is converted to ADP
Kaylis [27]

The electrons in these bonds carry energy. Within the power plants of the cell (mitochondria), energy is used to add one molecule of inorganic phosphate (P) to a molecule of adenosine diphosphate (ADP). The amount of energy stored is about 7,300 calories for every mole of ATP formed.


6 0
3 years ago
Which animal has a one-way digestive system?
Kobotan [32]
A. Earth worms
Because it can only flow one way
7 0
3 years ago
Which of the following situations does diffusion not help, in our bodies?A. Oxygen entering the bloodstream.B. Food entering the
lubasha [3.4K]

Answer:

Glucose entering the intestines from the villus.This is by active transport.The latter is defined as the movement of molecules and  solutes from the region of lower concentration to the region of higher concentration against the concentration gradient.

Explanation:

All the above options depends on the diffusion gradients from one  higher region to another.e.g oxygen passing from high concentration from outside to lower concentration in blood stream,like wise Co2 from higher concentration from inside to outside,with passive diffusion lipids and water enter the small intestine(note amino acid and glucose,and fructose are different).

Active transport( through sodium dependent transporter) transports glucose to the intestine  from the villus.This is movements against concentration gradient because,glucose molecule are concentrated in intestine,and needed by the cells, in the body.Therefore they must be transported as a fast rate inn the blood .

However the absorption by the villi is very slow,therefore active transport is needed to move these against the concentration gradient into the intestine.And finally the blood.

If this were to be moved by  passive diffusion,the high concentration in the intestine will force this back into the villi

Therefore extra energy is needed by active transport for the glucose molecules to enter the intestine from the villus.

6 0
3 years ago
Which of the following statements concerning carbohydrates associated with the plasma membrane is correct? (eText Concept 7.1)
Ksju [112]

Answer:

The correct answer is : * Membrane carbohydrates function primarily in cell-cell recognition.

Explanation:

The carbohydrates (poly or oligosaccharides) associated with the plasma membrane, are covalently bound to it (to proteins or lipids). They are found in the outer part of the plasma membrane forming the glycocalix. Its main functions are:

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-Support to the membrane.

8 0
3 years ago
What stage of the Cell Cycle do you think takes the longest amount of time and why?
kupik [55]
The stage of interphase, b/c the cells are still growing
6 0
3 years ago
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