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enot [183]
4 years ago
8

Amylase increases the rate at which starch is broken down into glucose. What kind of molecule is amylase?

Biology
2 answers:
Aleksandr [31]4 years ago
6 0
I think it's B. Enzymes
Vanyuwa [196]4 years ago
3 0

Enzymes just took the test

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What is the probability of producing a white rose when a red rose is crossed with a pink rose?
sammy [17]
A white rose cannot be produced in the G1 (first generation) of roses because the red rose will have a RR (R standing for red) allele combination. The pink rose will have a RW (R for red, W for white) <span>allele combination. When crossed all combinations will have at least one R allele, meaning that no roses (in the first generation) will have a WW allele combination. WW is the only allele combination that produces white roses.

(look up punnet squares for more help) </span>
8 0
4 years ago
A farmer decides to go into the business of raising trout for tourists who enjoy fishing. She builds six trout ponds and stocks
Nastasia [14]

Yes the following statements about her trout is likely true Because the ponds are different and the populations are likely to experience different mutations, the populations will likely diverge evolutionarily, but only over many generations.

Explanation:

The effect of genetic drift can be seen in all populations but the most is seen in small population. The change in allele frequency due to the sampling error would lead to evolution of the species.

Bottleneck effect is when a population gets reduced due to some natural disaster. Her friends were not right about bottleneck effect.

So it is clear that no bottleneck effect will occur as each pond have different chance or rate of mutation and the change in alleles will be different. The  trouts will evolve independently in the different ponds and pass on the traits to their progeny.

Genetic drift does not take into account for the harm or benefit of the alleles that are passed on.

5 0
4 years ago
Please provide details for this problem. I got 3.24; therefore accept the null hypothesis.
juin [17]

Answer:

See the answer below

Explanation:

The Chi-square (X^2) is calculated by the formula:

X^2 = \frac{(O - E)^2}{E} where O = observed frequency and E = expected frequency

A standard dihybrid cross is expected to give 9:3:3:1 phenotypic ratio.

Phenotype               O                  E                                  X^2

Round yellow          104       9/16 x 160 = 90          \frac{(104 - 90)^2}{90} = 2.18

Round green            27        3/16 x 160 = 30           \frac{(27 - 30)^2}{30} = 0.30

wringled yellow         27        3/16 x 160 = 30           \frac{(27 - 30)^2}{30} = 0.30

wrinkled green          2          1/16 x 160 = 10              \frac{(2 - 10)^2}{10} = 6.40

Total  X^2 value to two decimal places = 9.18

Degree of freedom = (n-1) = 4 -1 = 3

Critical  X^2 value at 95% probabillity level = 7.815

<em>Since the calculated  </em>X^2<em> si more than the critical  </em>X^2<em> value, </em><em>the null hypothesis is rejected. </em>

7 0
3 years ago
Gettier contributed to what we know about the __________ model, while Rosch contributed to what we know about the __________ mod
erastovalidia [21]
The correct answer to this question is epistemological and prototype theory

Gettier contributed to what we know about the epistemological<span> model of truth </span>while Rosch contributed to what we know about the prototype theory model. Eleanor Rosch is a professor of psychology at the University of California, Berkeley while Edmund L. Gettier III is an Professor Emeritus at the University of Massachusetts Amherst<span>. He is also an American Philosopher.</span>
8 0
4 years ago
According to the law of conservation of matter, in any food chain we know that
Nikitich [7]
C) matter is changed into various forms but the total quantity remains unchanged.
8 0
4 years ago
Read 2 more answers
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