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Vlad [161]
3 years ago
12

A plant can open or close its stomata in response to environmental conditions. Which best explains how the ability to open and c

lose stomata benefits a plant?
Biology
1 answer:
kipiarov [429]3 years ago
3 0

A plant can open or close its stomata in response to environmental conditions. ... A. During a rainstorm, stomata can be opened to absorb additional water through osmosis. B. During a drought, stomata can be closed to prevent excessive water loss through transpiration.

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Explain why it is difficult to keep people who are sick off of planes.
Anarel [89]

Answer:

because the want to reach their destination

5 0
2 years ago
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Friction reduces efficiency because energy is lost as ____.
Colt1911 [192]

Answer:

B

Explanation:

b. heat

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3 years ago
Lipid is one of the major classes of biomolecules needed by the body. The body breaks down the lipids that we consume to create
Darina [25.2K]
So the breakdown of lipids actually starts in the mouth. Your saliva has this little enzyme called lingual lipase, which breaks down these fats into something called diglycerides. These diglycyerides then make there way to the intestines, where they stimulate the pancreas to release lipase (another fat breaking enzyme!) and the pancreas to release bile. The bile and pancreatic juices both work together to break these diglycerides into fatty acids. It’s helpful to know some of the root words. Glycerol- the framework to which the fatty acids stick. Glyceride- think of this guy as several fatty acids stuck to a glycerol. Lipids- think fats, and their derivatives (our glyceride friends.) tri/di/mono- these are just number prefixes! Lipids are one glycerol molecule, and then either one, two, or three fatty acids attached, which is where you get mono(1)/di(2)/tri(3)glyceride from. I know this was long, but hopefully it helps!
5 0
3 years ago
In 2004, scientists announced the discovery of the fossil remains of some extremely short early humans on the Indonesian island
Alex

Answer: The most accepted guess is: By bamboo rafts.

Explanation:

There are two hypotheses.

The first is that they arrived on Flores as Homo erectus and then evolved to Homo floresiensis. The second is that they were already Homo floresiensis when they arrived. This second one is the more accepted hypothesis because it would take organization and language to accomplish this technological water transportation feat. Homo erectus is not known to have developed speech.

Now at the time this transport was estimated to have happened, 100000 years ago, the islands of Komodo and Flores were joined and visible from the mainland. Together they constituted a 19km wide straight visible that could be easily seen from the mainland. The Homo floresiensis tribes built bamboo rafts, or possibly some other floating apparatus made if wood, and sailed there. The islands then progressively drifted apart, isolating them.

PS: It is important to note that some things may have drove them there such as famine, violence, etc.

8 0
2 years ago
How would an inhibitor of cAMP phosphodiesterase affect glucose mobilization in muscle? It would increase cAMP levels, which wou
dedylja [7]

Answer:It would maintain high cAMP levels and elevate glucose mobilization.

Explanation:

Gas stimulates adenylate cyclase, leading to the generation

of cAMP. This signal then leads to glucose mobilization. If cAMP phosphodiesterase were inhibited, then

cAMP levels would remain high even after the termination of the

epinephrine signal, and glucose mobilization would continue

5 0
3 years ago
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