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melamori03 [73]
3 years ago
5

Which part of the body contains enzymes that break down protein

Biology
1 answer:
Alik [6]3 years ago
8 0

Answer:

c stomach

Explanation:

well you can definitely rule out skin and brain as they don't even make sense as answers so only teeth and stomach are left and while saliva does have these enzymes, the teeth specifically don't so the stomach is right as its the only one that makes sense

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Offspring of certain fruit flies may have yellow or ebony bodies and normal wings or short wings. Genetic theory predicts that t
Rashid [163]

Answer:

Yes, the observed results are consistent with the theoretical distribution predicted by the genetic model. The population is in equilibrium.

Explanation:

<u>Available data:</u>

  • Offspring of fruit flies may have yellow or ebony bodies and normal wings or short wings.
  • Expected phenotypic ratio 9:3:3:1
  • 9 yellow, normal: 3 yellow, short: 3 ebony, normal: 1 ebony, short
  • Sample size , N = 100
  • Phenotypic distribution 59:20:11:10

To know if these results are consistent with the expected ones, we need to develop a chi-square analysis. To do it we need the following information

  • Chi square= ∑ ((Obs-Exp)²/Exp)

- ∑ is the sum of the terms

- Obs are the Observed individuals

- Exp are the Expected individuals

  • Freedom degrees = K – 1

- K =genotypes number = 4  

  • Significance level, 5% = 0.05
  • Table value = Critical value  

First, define the hypothesis:

Hypothesis: The allele of this population will assort independently. The population is in equilibrium

H₀= Individuals will be equally distributed.  

H₁ = Individuals will not be equally distributed.  

Second, we need to get the expected number of individuals with each phenotype. To do it, we will use the expected phenotypic ratio and the total number of individuals in the sample. We can just perform a three simple rule, as follows:

  16 ------------------------------------ 100 individuals in the sample ------- 100%

  9 yellow, normal ---------------- X = 56.25 individuals -------------------56.25%

  3 yellow, short ------------------- X = 18.75 individuals --------------------18.75%

  3 ebony, normal -----------------X = 18.75 individuals ---------------------18.75%

  1 ebony, short ---------------------X = 6.25 individuals ----------------------6.25%

Now that we know the expected numbers of individuals with each genotype, we can compare them with the observed ones.

                  <u>yellow, normal      yellow, short     ebony, normal    ebony, short</u>

Expected            <em>56.25                    18.75                   18.75                    6.25</em>

Observed  <em>          59                           20                      11                          10</em>

The chi-square value = Σ(Obs-Exp)²/Exp.

So now we need to calculate (Obs-Exp)²/Exp

  • <u>yellow, normal</u>

(Obs-Exp)²/Exp = (59-56.25)²/56.25 = 0.134

  • <u> yellow, short </u>

(Obs-Exp)²/Exp = (20 - 18.75)²/18.75 = 0.083

  • <u>ebony, normal</u>

(Obs-Exp)²/Exp = (11 - 18.75 )²/18.75 = 3.203

  • <u> ebony, short</u>

(Obs-Exp)²/Exp = (10 - 6.25)²/6.25 = 2.25

X² = Σ(Obs-Exp)²/Exp =  0.134 + 0.083 + 3.203 + 2.25 = 5.67

  • X² = 5.67
  • Significance level = 0.05
  • Degrees of freedom = genotypes number - one = 4 - 1 = 3
  • Critical value or table value = 9.348

P₀.₀₅ > X2

9.348 > 5.67

There is not enough evidence to reject the null hypothesis. The genotypes might be in equilibrium, and there might be an independent assortment.

8 0
3 years ago
e) Is this is a silent mutation or a missense mutation? Explain. Hint: Silent mutations have no effect on the amino acid. I RLY
almond37 [142]

Answer:

hope it helped u

plzzz mark as brainliest.

Explanation:

Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotype. They are a specific type of neutral mutation.

Mutations that cause the altered codon to produce an amino acid with similar functionality (e.g. a mutation producing leucine instead of isoleucine) are often classified as silent; if the properties of the amino acid are conserved, this mutation does not usually significantly affect protein function.

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What is the largest latitude one can reach
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The largest of the Latitude parallel circles is the equator. The largest Latitude, numerically, is 90 degrees North and South.
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Draw a plant and identity it's part and it's function.​
Y_Kistochka [10]

Answer:

is there a attachments???

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What happens when oxygen atoms share electrons? - APEX
e-lub [12.9K]

Answer:

they form covalent bonds

Explanation:

jeesh dude j answer the dammn question

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