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Alekssandra [29.7K]
3 years ago
11

Why do scientists study proteins to find evidence for evolution?

Biology
1 answer:
mariarad [96]3 years ago
5 0

Answer:

Proteins reflect DNA sequences, so scientists study proteins to look for genetic similarities and differences in organisms.

Explanation:

I just took the test.

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In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).
marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

                                Observed(o)   Expected(e)   (o-e)    $(o-e)^2$      $(o-e)^2/e$

Green-melon plant        53                    47               6          36             0.766

Yellow-melon plant        41                    47              -6          36             0.766

Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.

4 0
3 years ago
Find the remainder when p(x) = –2x5 + x4 + 5x3 + 4x + 1 is divided by (x - 2).
borishaifa [10]

The remainder when p(x) = -2x⁵+x⁴+5x³+4x+1 is divided by (x-2) is 1.

To solve the question above, we make use of the remainder theorem.

Remainder Theorem: It states that if a function F(x) is divided by (x-a), the remainder is F(a).

From the question,

Given:

  • Dividend ⇒ p(x) = -2x⁵+x⁴+5x³+4x+1
  • Divisor ⇒ (x-2)

in view of the above and applying the Remainder theorem, The remainder will be p(2)

  • p(2) = -2(2⁵)+2⁴+5(2³)+4(2)+1
  • p(2) = -64+16+40+8+1
  • p(2) = 1

hence the remainder when p(x) = -2x⁵+x⁴+5x³+4x+1 is divided by (x-2) is 1

Learn more about  the remainder theorem here: brainly.com/question/13328536

7 0
3 years ago
Help!!!!!!!! Pls help!!!!!!!!!
nignag [31]
Genotype of the Q gene is homozygous dominant
3 0
3 years ago
Read 2 more answers
1. What are the three components of a nucleotide? (HINT: What were the three components used in putting the model together? Reme
SVEN [57.7K]
1. a sugar, a phosphate, and a base (such as Adenine.)

2. Deoxyribose 

3. TCGAGTC, A pairs with T and G pairs with C

4. 55 adenines, 100-45=55

6 0
3 years ago
Read 2 more answers
Si al pesar una tierra en un envase obtenemos un peso de 6.6 gramos. Si el envase vacío pesa 3
maksim [4K]

Answer:

3.6 gramos

Explanation:

a 6.6 le restamos 3 que es el peso del envase para poder solo calcular el de la tierra.

6.6-3=3.6

Espero estar bien y que te haya servido en algo.

7 0
3 years ago
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