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VladimirAG [237]
3 years ago
8

Which of the following best sequences the functions of the digestive system from start to finish?

Biology
2 answers:
Alex777 [14]3 years ago
4 0
Okay look at it, it's really easy. 1st ingestion (going in) 2nd digestion (breaking down) 3rd absorption (retaining the nutrients) 4th elimination (using the restroom) :p see the answer is with-in the definition of the words. Hope this helped.  <span />
Shalnov [3]3 years ago
3 0

Answer: The correct answer is D. Ingestion, digestion, absorption, elimination.

Explanation-

Digestive system is an example of organ system, which acts upon the food (taken in by the organism) with the help of physical and chemical means so as to provide absorbable nutrients to meet the demands of the body.

In mammals, the digestive system includes the alimentary canal, which begins from mouth and ends with anus.

Food is first ingested by the mouth, then it is digested by different organs like mouth, stomach, and finally small intestine. The digested food is absorbed in the small intestine and the undigested food is eliminated from the body via anus in the form of fecal matter.

Thus, option D) is the best sequence of the function that digestive system performs.

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Write the complimentary strand of DNA A C G T C C G A
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A gene has 2 alleles, R &amp; B, List the possible genotypes? I also need help with questions 5, 6, 7 and 8 please help! Pls loo
irakobra [83]

Answer:

5.) The possible genotypes should be: RR RB BB ( if the could for the same proteins)

6.) Frequency of R: 0.5

7.)Frequency of R: 0.5

8.)Frequency of R: 0.375

Explanation:

5.) If R and B code for the different forms of the same protein then they are only a few possible out comes

6.) First calculate the total alleles in population

allele R= 40

Allele B=40

total allele = R+B= 40+40

=80

Now to find allele R frequency is:

(Total R alleles) / (Total allele in pop)

40/80=

0.5

7.)Calculate the total alleles

Alleles from for R

RR= 10

R=10x 2= 20

Multiply the value by 2 because there are 2 R alleles present in

RB=20

R=20

Number doesn't change there is only 1 R allele

Total R=20+20

=40

Alleles For B

BB=10

B=10×2

=20

Same thing here, two B alleles together so multiple by 2

RB=20

B=20

Total B= 20+20

=40

Total alleles in pop add

40+40

=80

Frequency of R

Total of R/Total Alleles

=40/80

=0.5

8.)Repeat the same thing in 7 but use different numbers

RR=10

R=10x2

=20

RB=10

R=10

Total R= 20+10

=30

5 0
3 years ago
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