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cestrela7 [59]
3 years ago
8

Which organism is most specialized? A. Bacteria B. Unicellular algae C. Cat D. Ant

Biology
1 answer:
Tatiana [17]3 years ago
3 0
The answer would be (C.cat) because <span>For the cat has the most advanced biological system, whereas the unicellular algae and bacteria are microscopic in size, and while the ant does have a system and is a multi-cellular organism, the cat has a much more advanced biological system with many more functions and organs. 

Hope it helps! 

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When a child goes DOWN a slide what type of transport is that most like? Explain. When a child goes UP a slide what type of tran
ahrayia [7]

The answer would be:

Passive transport

Active transport

Why?

There are two ways molecules can move across membranes within the cell. What makes the two different is the use of energy.

PASSIVE transport is the movement of molecules DOWN the concentration gradient. The molecules move from areas of higher concentration to lower concentration. This does nor require energy. Comparing it to the scenario, the child starts from a higher area and ends at a lower area. Going down a slide does not take energy. The child simply goes down it.

When you talk about the child going UP a slide, think ACTIVE transport. Unlike passive transport, active transport requires energy, because the molecules move AGAINST the concentration gradient.  The movement of molecules in this type of transport is the opposite, it goes from lower areas of concentration to higher areas of concentration.

Hopefully, this has been educational for you and was able to help you understand the difference between the two.

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3 years ago
In plants, chloroplasts are necessary for A. respiration. B. photosynthesis. C. secretion. D. both respiration AND secretion. E.
Ksivusya [100]

Answer:

B- Photosynthesis

Explanation:

Chloroplasts are <em>chlorophyll-containing, eukaryotic cell structures</em> that function in photosynthesis by absorbing energy from sunlight, combining this energy with water and CO2 to convert them to sugars . This cell structure is known as a plastid. The sugars produced, are important for the survival of the plant.

Chloroplasts reproduce on their own, independent of the whole cell because they contain their own DNA. Plant chloroplasts are located  in guard cells in plant leaves. Closely linked to these guard cells are tiny pores called stomata, which allow gas exchange required for photosynthesis.

Photosynthesis occurs in two stages:

  1. The light reaction stage
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The Light reaction stage takes place in the presence of light. Clorophyll converts light into chemical energy in the form of ATP and NADPH. Both molecules produced, are used in the dark stage to produce sugar.

In the dark reaction stage, the stroma, containing enzymes, facilitates reactions leading to the production of sugars from ATP and NADPH. This process is also called the carbon fixation stage. The sugar produced can be stored in the form of starch for other processes such as respiration.

8 0
3 years ago
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densk [106]

hypothesis is the answer

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3 years ago
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Maintenance of normal intracellular fluid volume depends largely on the intracellular concentration of _____ ions.
kogti [31]

The answer is D. Extracellular, the main ions involve in osmoregulation in a cell are sodium and chloride. Intra-and extracellular distribution of K+ is influenced, for example, by Na+/K+-ATPase function, pH, Cellular catabolism and anabolism, Insulin and glucose. Parathormone and calcitriol are important in the homeostatic regulation of phosphates.






7 0
2 years ago
Why is it important to control the variables you are not testing ?
tekilochka [14]
It is important because the results would not be reliable since other variables you are not testing could have been in affect.
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