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nevsk [136]
4 years ago
6

The embryonic disk forms from the ______ of the blastocyst and develops to become the embryo.

Biology
1 answer:
konstantin123 [22]4 years ago
7 0
The answer is called the inner layer. Hope this helps.
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If we have a plate that has 2500 colonies on it, can we use this plate to calculate CFU's
AleksAgata [21]

No, the solution with bacteria in it needs to be diluted in order to be in the range of 30 – 300.

A colony-forming unit –CFU is used to estimate the number of viable (ability to divide by binary fission) microbes in a sample.  

A sample of microbes is diluted and spread on a plate. Then, the number of colonies is counted, assuming that each colony have grown from a single colony-forming unit, or CFU.

Plates with more than 300 colonies are difficult to count while those with less than 30 colonies give statistically unreliable numbers of colonies to count.

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3 years ago
If there was another planet between Venus and Mars. (Assuming this planet follows the usual pattern). Which of these would be tr
kirill [66]

Answer: B

Explanation: Mars and Venus are terrestrial so a planet in between would be as well

7 0
3 years ago
Match the reproductive structures based on their function and the system to which they belong.
Rashid [163]

Complete question: Find the complete question in the attached file below.

Answer: From the question, the system to which the structures belong are:

Female reproductive structures include: Egg, ovary, fallopian tube, vagina.

Male reproductive structures include: Urethra, sperm, testis, Vas deferens

Explanation:

The female reproductive system is made up of structures, listed above, which functions together with the purpose of reproducing offsprings. Below is the structure matched with the correct function from the question given:

--> Egg: This functions as the sex cell or gamete

--> ovary: The site where gamete are produced

--> Fallopian tube: This functions to transport the gamete from the site of production in the reproductive system

--> Vagina: connects the internal reproductive fluids to the exterior.

The male reproductive system are also made up of structures that functions together to bring about the fertilization of the female sex cell. Below is the structure matched with the correct function from the question given:

--> Urethra: connects the internal reproductive fluids to the exterior.

--> Sperm:This functions as the sex cell or gamete

--> Testis: The site where gamete are produced

--> Vas deferens: This functions to transport the gamete from the site of production in the reproductive system.

7 0
3 years ago
Explain ur own answer. <br>need​
Pepsi [2]

Answer:run over with ice to make sure hes okay

Explanation:

6 0
3 years ago
Why does the designed world change?
RSB [31]
Because the world rotates around and God the creator changed up the earth that's the biblical answer but a scientific answer would be due to himans
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3 years ago
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