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3 years ago

What structures do eukaryotes have that prokaryotes do not?

Biology

1 answer:

PilotLPTM [1.2K]3 years ago

7 0

Answer:

Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.

Explanation:

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Which cell express higher levels of genetic variation

Mashutka [201]

Answer:

mutation, recombination, and immigration of genes.

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2 years ago

Contrast the flow materials in xylem and phloem

zimovet [89]

To easy remember it,
Phloem, has the (f) sound, so it carries food and nutrition like sugars all around the plant, up and down movwment.
while Xylem carries water and minerals, from down the soil up to the plant, only up movement.

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3 years ago

Read 2 more answers

Suppose you ate an entire bag of potato chips and drank a 16-ounce cola while you studies for an exam. Together these items cont

Anastaziya [24]

Answer:

Total of $1164.187$ kilo-calories are consumed.

Explanation:

In order to determine the total calories present in any food item, the calories contribution of each of its constituents must be know.

Here,

Calories in one gram of carbohydrate $= 4$ kilocalories

Calories in one gram of protein $= 4$ kilocalories

Calories in one gram of fat $= 9$ kilocalories

As per the details provided on Coca-Cola website, calories in 16-ounce cola $= 187$ calories $= 0.187$ kilocalories

Thus, total calorie in an entire bag of potato chips and 16-ounce cola

$(144 * 4) + ( 12 * 4) + (60 * 9) + 0.187\\= 576 + 48 + 540 + 0.187\\= 1164.187$

Total of $1164.187$ kilo-calories are consumed.

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3 years ago

An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold. The researcher gives on

Sav [38]

<h2>Placebo Effect</h2><h2>Explanation:</h2>

C<u>ontrol group </u>is Right Answer.

An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold.
The researcher gives one group of rats the vitamin C pills and the other group of rats gets the ""dummy"" pill (placebo).
The rats that received the placebo would be called the <u>control group.</u>
Endogenous opioids, for example, endorphins and enkephalins, are normal pain alleviating synthetic substances created in the body.
Absense of pain because of the misleading impact is reliant upon the actuation of propositions endogenous opioids in the brain.

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3 years ago

Why is it that all humans have fair toned palm but our actual skin colour isn't the same?

JulsSmile [24]

Answer:

because most people come out looking like there grand parents mom dad's grandmom and other people colored in your familly

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3 years ago