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ollegr [7]
3 years ago
13

 Efficiency is 

Biology
1 answer:
notsponge [240]3 years ago
6 0

Answer:

Efficiency is the percentage of energy actually used to perform the work.

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47. Find the mismatched pair: A)Facilitated diffusion Extrusion of ions or small molecule with expense of Ar B) Uniport-A single
andrew-mc [135]

Answer:

Option (A).

Explanation:

Facilitated diffusion may be defined as the process of  movement of the particles from the region of higher concentration towards the region of lower concentration with the help of specific integral transmembrane protein.

Facilitated diffusion is a type of passive diffusion and solute particle down the concentration gradient. So this process doesn't require an ATP or any other energy source.

Thus, the mismatched pair is option (A).

4 0
3 years ago
What gives plant cell walls their rigidity?
NISA [10]
The strongest component of the cell wall<span> is a carbohydrate called cellulose, a polymer of glucose. The </span>cell wall gives rigidity<span> and strength to the </span>plant cells<span> which offers protection against mechanical stress. ... The </span>rigidity<span> of primary </span>plant<span> tissues is due to turgor pressure and not from rigid </span>cell walls<span>.</span>
7 0
3 years ago
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After eating a large meal of pasta, an individual's blood sugar levels are elevated. In response to this, the pancreas secretes
almond37 [142]

Answer:

d) A negative feedback loop

Explanation:

A negative feedback loop counteracts the deviation from homeostasis by generating a required response. The function of the insulin hormone is to lower down the blood glucose level when it raises above the normal range. Insulin triggers the uptake of glucose from the blood by cells. It specifically triggers muscle and liver cells to take up glucose from the blood.

Once the blood glucose level is restored to the normal value, the secretion of insulin stops. Here, a change in normal body condition (raised blood glucose level) was counteracted by the secretion of insulin hormone to restore the homeostasis of blood sugar levels.

5 0
3 years ago
Which of the following is the term for an abnormally low white blood cell count?
Nikolay [14]

Answer:

The correct answer is- Leukopenia

Explanation:

White blood cells are present in our blood which protect our body from foreign antigens like bacteria, viruses, etc. When these white blood cells decrease abnormally in number then this condition is called leukopenia.

White blood cells contain different cell which protect our body from different type of infections. So there are different types of leukopenia according to the particular white blood cell whose number became low.

For example when neutrophils number in the body decrease it is called neutropenia. So the correct answer is leukopenia.

4 0
3 years ago
Prophase plays a vital role during the process of meiosis.
8_murik_8 [283]

Answer:

C AND E?

Explanation:

If it's right let me know. If not, then you can tell me the answer so I can change it for everyone to get the answer

3 0
2 years ago
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