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asambeis [7]
3 years ago
5

Which of the following was most likely not present in creating the fatty acids of early Earths waters of the past?

Biology
1 answer:
mrs_skeptik [129]3 years ago
4 0
I believe the first answer is #4 and the second is #1. Please correct me if I am wrong. 
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In Alaska, grizzly bears must eat 10 fish and drink up to 25 liters of water to live. A
EleoNora [17]

The fish is the limiting factor because its population <u>determines the survival and availability  of the grizzly bears.</u>

A limiting factor is  resources(biotic or abiotic) that affects or determine the availabity and growth of an organism or group of an organism within an ecosystem.

The more fish it takes, the more the liver produces urea, and kidney tubules  makes use of the urea in it tubules for urine formation in the loop of Henle. The urine formation and loss, leads to intake of water and the sequence continues.

This is an example of a biological limiting factor because the bear  predate on the fish for survival and population.

If the population of the fish drops,( <u>the limiting facto</u>r) the bear drinks less water based on above, and therefore <u>disruptions  of the ecosystem</u>.

More brainly.com/question/25824973

3 0
2 years ago
Please for the love of lawd help.
german

Can you tell me the answer/answer when you finish the test? I have the same one and I’m stuck too

3 0
3 years ago
Read 2 more answers
_____, such as valium, are depressant drugs that reduce anxiety and induce relaxation. opiates tranquilizers hallucinogens stimu
zzz [600]

The answer in the given choices above is tranquilizers, it is because valium is a tranquilizer in which another example of this is also xanax. Tranquilizers have the ability of inducing relaxation and to reduce anxiety when injected to the person.

7 0
3 years ago
Please answer ASAP!!
mariarad [96]

Answer:

B proteins I gotchu fa.

5 0
2 years ago
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Ethidium bromide is a common intercalating agent used to visualize DNA in electrophoresis gels by associating with the DNA in th
exis [7]

Answer:

EtBr inserts between the stacked bases in the DNA double helix.

Explanation:

  • EtBr is used for visualizing DNA bands as it fluoresces under the UV illumination.
  • EtBr is an aromatic compound that is capable of inserting itself between the stacked bases of the DNA double helix.
  • The hydrophobic environment around the base pairs where the EtBr intercalates is responsible for the fluorescence. As the EtBr molecule intercalates between these base pairs the cation of EtBr sheds the water molecules associated with it and this causes it to fluoresce under UV light as water is a quencher of fluorescence.
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3 years ago
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