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VLD [36.1K]
3 years ago
9

Can you help me pleasseee!! Thank you!

Biology
2 answers:
Zanzabum3 years ago
7 0
They are different from each other because ones in forest and ones in the desert
andre [41]3 years ago
7 0
1.) Figure A is a dryer and less “green” environment.
2.) Figure B gets more rain because the environment shows more green and more growth of plants than biome A does
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The inside of the cell contains low concentrations of _____ and high concentrations of _____
arsen [322]

Answer:

low glucose and high starch

Explanation:

a cell contains 5% glucose, 10% starch, and 5% protein. the solution outside of the cell contains 10% glucose, 5% starch, and 20% protein.

8 0
3 years ago
The nuclear envelope disintegrates during _____. metaphase prophase anaphase telophase
Dominik [7]
Prophase is the correct answer choice.

5 0
4 years ago
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High levels of mercury contamination have entered the aquatic ecosystem primarily through:
Vika [28.1K]

Answer: Option C.

Emissions from coal burning plants which then rain down on water ways.

Explanation:

Mercury has been found to be most serious and most common water contaminants. Mercury causes water pollution. It is released into the air and falls back in water ways. When it's get to water ways, bacteria changes it to methylmercury, if absorbed by aquatic organisms destroyed them. When consume by humans, it causes neurological disorder and kidney problem. The two major sources of Mercury contaminants in water ways are emissions from burning of coal plants and waste incinerators.

7 0
3 years ago
I need help to answer this.
Stella [2.4K]

Answer:Cholesterol

Explanation:

4 0
4 years ago
Read 2 more answers
Caffeine aids in the movement of calcium ions across cell membranes by both making it easier for the Ca2+ channels to open and b
Llana [10]

Caffeine cause dose dependent prominent increase in force of contraction and period of contraction of muscle

<u>Explanation:</u>

Caffeine is widely used in foods and drinks. Its long time use can effect central nervous system include lethargy memory, sleep disorder and anxiety.

Increase in concentration of calcium ion will result increase number of power stroke and force for contraction.  However latent period and relaxation period are unaffected by caffeine. Increase in concentration of calcium ion will result increase number of power stroke and force for contraction.

Because of calcium ion release in skeletal muscle, caffeine causes peripheral manifestation such as hyper-reflexia, muscle twitching etc.

High amount of caffeine leads to increase in release of Ca2+ from sarcoplasmic reticulum. It increases tension development in single tetanic contraction and re-initiate maximum tension in fatigue single myofibre by restoring Ca2+ release from sarcoplasmic reticulum to non-fatigued levels.

8 0
4 years ago
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