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deff fn [24]
3 years ago
7

Identify the molecule that allows "complex chemical reactions to occur"?

Biology
1 answer:
horrorfan [7]3 years ago
4 0
Crossing over at prophase I results in the linked genes (those on the same chromosome) becoming unlinked and separated. Prophase I is this first stage of meiosis, the chromosomes condense, form tetrads, and exchange DNA. The nucleolus and nuclear envelope disappear.
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Pleas e Brainlyiest if you answer
Sonbull [250]

Answer:

B

Explanation:

4 0
2 years ago
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A group of antelope leaving the herd in search of better grassland is an example of
PtichkaEL [24]

Answer:

emigration

Explanation:

The emigration of an animal, in this case of the antelope, is the cause of the lack of food.

The animals are in constant search of food and better places to cohabitate. Antelope is leaving its herd to find a better place for food and even if it sounds strange, animals are also behaving as individuals in case there is threatening of hunger.

3 0
2 years ago
A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W
Arlecino [84]

<u>Answer</u>:       D. calcium chloride

<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>

<u>Explanation:</u>

<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>

It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>

They are produced from organic materials. <em>Calcium chloride contains the chloride ion and calcium ion,</em> as the chloride ion easily passes the artificial membrane so we can term <em>calcium chloride as the mystery membrane that passes the artificial membrane easily.</em>

5 0
3 years ago
A marine biologist explains that salmon show overproduction, which allows natural section to work. What is "overproduction"?
Stella [2.4K]
<span>The birth of more offspring than can survive.</span>
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SOMEONE HELP ME PLSSSS IT'S AN EMERGENCY :(((
hram777 [196]

Answer:

I belive the answer is  C

Explanation:

6 0
3 years ago
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