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Phoenix [80]
3 years ago
12

The _____________ is the first major organ to form in a developing fetus.

Biology
1 answer:
zavuch27 [327]3 years ago
7 0
The <u>brain</u> is the first major organ to form in a developing fetus.
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How can scientific conclusions be reliable, but also able to be changed with the introduction of new evidence
aleksklad [387]

Answer:

scientific conclusions are reliable as they are helpful for many things however it is true that after the evolution of new ideas the old theory have some changes or may change fully or may be proved wrong but yeah the old theories are still helpful for many reasons and things.

so I think scientific conclusions are reliable

8 0
3 years ago
Juan is working with a darkfield microscope with a numerical aperture (NA) of 1.25, Ali is working with a brightfield microscope
Alex

Answer:

Juan

Explanation:

Given the information from the question. We need to find out which person will get the best resolution and the reason thereafter. Since we know that the resolution is directly proportional or relative to N (A). Based on the information provided .Juan will have the best resolution due to higher N (A). Therefore, the correct answer is Juan.

5 0
3 years ago
What is mixed-acid fermentation? how is methyl red used to determine if a microbe has undergone mixed-acid fermentation?
Vika [28.1K]

Mixed Acid Fermentation is a biological process by which a six carbon sugar is converted into complex mixture of acids. It is an example of anaerobic fermentation reaction which is commonly seen in bacteria.

The fermentation produces lactate, acetate, succinate, formate, ethanol, H_{2} and CO_{2} and their formation depends upon the presence of certain key enzymes in the bacterium.

The Methyl Red test is used in detecting occurring of mixed acid fermentation pathway when glucose is provided to microbes by using ph indicator. If the fermentation pathway has taken place, the mixture of acids will make the solution very acidic and causes red color change. The Methyl Red test belongs to the group called as IMViC tests.

To learn more about  fermentation here

brainly.com/question/13050729

#SPJ4

3 0
1 year ago
Random processes like mutation and genetic drift can change __________. Fill in the blank
Marta_Voda [28]
Gene Pool



Good luck!!!!
4 0
3 years ago
The deserts of the Sahara and Australia are associated with
jolli1 [7]

Subtropical high

Hope this helps!

-Payshence

5 0
3 years ago
Read 2 more answers
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