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Gala2k [10]
3 years ago
11

What are some science skills you could use when studying fish in an aquarium…

Biology
2 answers:
Scilla [17]3 years ago
8 0
Study the different characteristics and behaviors of the fish in different environments and conduct different expirements to see the fishes reactions
mariarad [96]3 years ago
6 0
Visual examination or test the water for ph levels. see of it is salt water or fresh water
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Which compound would most likely be found in all living organisms?
Lera25 [3.4K]

Answer:

water

Explanation:

its so obvious...

6 0
4 years ago
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Which is true of both DNA and RNA
maxonik [38]

Answer:

C. They contain sugars, phosphate, and nitrogenous bases

Explanation:

A. is wrong because only RNA is made up of single strands of nucleotides, while DNA is a double-stranded helix.

B. is wrong because DNA and RNA are examples of nucleic acids, not carbohydrates

D. is wrong because only RNA contains uracil, while DNA has thymine instead of uracil.

C. is correct because both DNA and RNA have sugar-phosphate backbones and nitrogenous bases. The difference between RNA and DNA is seen in their names--deoxyribo nucleic acid (DNA) vs. ribo nucleic acid (RNA). Ribose is a type of sugar, the same as found in RNA, while deoxyribose (in DNA) is the same except for not having an oxygen atom on the 2' Carbon (de-oxy = without oxygen).

5 0
3 years ago
When the two solutions are mixed , a clear solution with white powder at the bottom results.,What has caused this change?​
aleksklad [387]

Answer:

Chemical reaction

Explanation:

Chemical changes happens when a substance combines with another to form a new substance (or unexpected color, temperature or smell), called chemical synthesis or, alternatively, chemical decomposition into two or more different substances

5 0
3 years ago
Which genotype represents a female carrier?<br><br><br> XHXh<br><br><br> XHY<br><br><br> XHXH
frosja888 [35]

Answer:

option one is the answer. XHXh

3 0
3 years ago
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Where do scientists obtain adult stem cells?<br> saliva<br> pancreas<br> skin<br> bone marrow
Alex17521 [72]
<span> Embryonic stem cell research is kind of a dead area now since there is no way to control the differentiation. Most research is being done on adult stem cells to help map and control the differentiation process.

Stem-cells from aborted fetuses - The government doesn't sponsor this, if it is done it is by private companies not located in the USA. You could try researching umbilical cord stem cells to be somewhere near your topic. They come from the afterbirth of normal deliveries.

You could do a much easier report by covering cloning of mice through stem-cell technology. It is happening and helping scientists understand diseases. </span>
6 0
3 years ago
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