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Rom4ik [11]
2 years ago
14

Which of these is a function of the circulatory system

Biology
2 answers:
aev [14]2 years ago
6 0

Answer:

A C D E

Explanation:

bazaltina [42]2 years ago
4 0
The main function of the circulatory system is to move blood and lymph<span> through the body. Doing this transports nutrients and oxygen to the cells of the body and removes waste products such as carbon dioxide.</span>
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A controlled experiment _____. is repeated many times to ensure that the results are accurate includes at least two groups, one
Olin [163]

Answer:

A. is repeated many times to ensure that the results are accurate

Explanation:

A controlled experiment is repeated many times to ensure that the results are accurate

3 0
3 years ago
Read 2 more answers
Proteus vulgaris has a doubling time of roughly 28 minutes. If an initial population of 500 cells is allowed to grow for 6 hours
romanna [79]

<u>Answer:</u> The final population of Proteus vulgaris after 6 hours is 3.71\times 10^{6}cells

<u>Explanation:</u>

We are given:

Proteus vulgaris divides and doubles every 28 minutes

Total time given = 6 hours = 360 min      (Conversion factor: 1 hr = 60 min)

Number of times Proteus vulgaris doubles in 6 hours = \frac{360min}{28min}=12.857times

Calculating the number of bacteria after 6 hours under ideal conditions:

We are given:

Initial population = 500 cells

Number of times it doubles = 12.857 times

Final Proteus vulgaris population = 500\times 2^{12.857}=3709476.8=3.71\times 10^{6}cells

Hence, the final population of Proteus vulgaris after 6 hours is 3.71\times 10^{6}cells

8 0
3 years ago
Eukaryotic genomes have gene sequences that can code for more than one polypeptide sequence because _____.
ipn [44]

Answer:

The  correct answer would be -A pre-mRNA becomes mRNA by cutting out different introns

Explanation:

During the process of the RNA splicing, pre-mRNA has several specific segments of sequence that are identified by the spliceosome and then removed from the pre-mRNA. Specific parts that are removed are known as introns and the parts that stuck to become mRNA are exons.

Gene sequences in the eukaryotic genome can code for more than one protein due to removing the different introns every time to become mRNA from pre mRNA.

4 0
2 years ago
How does a euglena identify a light source and move toward it So photosynthesis can occur
DerKrebs [107]

Answer:

Eugleas create their own food through photosnthsis, the process of absorbing sunlight to synthesize foods from carbon dioxide and water. An eyespot at the front end of the euglena detects light I belive

Explanation:

8 0
3 years ago
Which of the following is not a step involved in critical thinking? a. asking questions b. assessing validity c. writing a summa
borishaifa [10]

Answer:

Writing a summary

Explanation:

4 0
3 years ago
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