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Reptile [31]
3 years ago
15

The type of chemical influencing cell division and elongation:

Biology
1 answer:
DochEvi [55]3 years ago
6 0
Auxin. 
Auxin<span> is a plant hormone produced in the stem tip that promotes cell elongation. </span>Auxin<span> moves to the darker side of the plant, causing the cells there to grow larger than corresponding cells on the lighter side of the plant.

source: </span>https://www2.estrellamountain.edu/faculty/farabee/biobk/BioBookPLANTHORM.html
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A cousin who has been traveling overseas sneaks a plant through customs (who help along with the USDA, help to prevent invasive
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Answer and Explanation:

Invasive species are not native to an ecosystem/environment to which they've been introduced, which can cause disastrous disruptions to various food chains/webs and other native species' populations.

In this case, your cousin is bringing in a plant from overseas, so it clearly will be an invasive plant. You can tell them the following:

- this plant may take over the feeding source of native plants, causing those populations to decrease drastically or possibly even be wiped out

- secondary consumers that had once relied on those native plants for food energy will now have limited resources, competition will increase, and these consumers may begin to die off

- tertiary consumers that consumed these secondary consumers will begin to die off, as well

- this chain reaction will ripple through the entire food chain and food web, and totally disrupt the existing ecosystem

Thus, your cousin shouldn't plant this organism in their backyard and should instead destroy it.

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3 years ago
Consider an experimental set-up with two fluid-filled chambers that are separated by a plasma membrane with open K channels but
Marat540 [252]

Answer: K+ will flow from side 2 to side 1 until it is in equal concentrations in the two compartments

Explanation: A membrane potential will develop so that the electrical gradient stops the movement of K+ before equilibrium of the concentration can occur

7 0
2 years ago
Individuals with more than healthy fat levels but who are not considered obese have body fat levels in the zone.
sergejj [24]
They have body fat level in the MARGINAL OR BORDERLINE ZONE. At this zone, the fat level in the body is higher than the acceptable levels but is less that the fat levels in the obese people. With this level of fat, one has higher risks for such diseases such as high blood pressure, heart diseases, etc.
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Why do you think stop and start codon signals are necessary for protein synthesis.
kolbaska11 [484]

Answer:

because if they dident stop it would malfunction

Explanation:

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Which atom is involved in giving your heart energy to beat?
zhannawk [14.2K]

The answer is oxygen

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