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Aleksandr [31]
3 years ago
12

Explain why a hypothesis could still be correct even though an expirament says the hypothesis is wrong

Biology
2 answers:
Zarrin [17]3 years ago
3 0

Because you might have just done something different with the experiment and messed up someway during the test

galina1969 [7]3 years ago
3 0

A hypothesis is an educated guess. Therefore if the experiment says your hypothesis is wrong it could be right because it was just a guess. not a set answer.

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The gene D controls wing shape in flies and has two alleles: D is wild-type and dominant, and d is recessive and causes flies to
borishaifa [10]

Answer:

10% of progeny would have wild type phenotype

Explanation:

True breeding fly with wild type wings and small eyes: De/De

True breeding fly with downward wings and wild type eyes: dE/dE

Cross between them :  De/De X dE/dE = De/dE ( F1 )

Recombination frequency = 20%

Next cross, De/dE X de/de =

De/de = parental = 40%

dE/de = parental = 40%

DE/de = recombinant = 10%

de/de = recombinant = 10%

The third genotype i.e. one of the recombinant genotypes will have the wild type makeup ( DE/de ) hence 10% of flies would have wild type phenotype.

8 0
3 years ago
2. Protein A has a binding site for ligand X with a Kd of 10-6M. Protein B has a binding site for ligand X with a Kd of 10-9M. W
allsm [11]

Answer:

Protein B has a higher affinity for ligand C than protein A

Explanation:

Binding affinity is a measure of the strength of the bonds or interactions between a single biomolecule or receptor to its ligand. A ligand is usually a small molecule that binds to a specific receptor.

The receptor is usually a large molecule that contains a specific site for the binding of ligand.

Binding affinity is usually measured by the equilibrium dissociation constant (KD). The equilibrium dissociation constant KD is a ratio of the dissociation and the association of ligand to the receptor. The value of KD is used to evaluate and compare the strengths of bimolecular interactions.  The larger the KD value, the more weakly the target molecule and ligand are attracted to and bind to one another.

The higher the dissociation constant (KD), the weaker the affinity is between the interacting molecules, whereas, the smaller the KD value, the greater the binding affinity of the ligand for its target.

Protein B has a KD value of 10⁻⁹ M while Protein A has a KD of 10⁻⁶ M.

Ration of KD of protein B to protein A = 10⁻⁹ M/10⁻⁶ M = 10⁻³

Therefore, protein B has a KD value which is 1000 times smaller than the KD of protein A.

8 0
3 years ago
Calculate the population growth rates for the different population sizes shown below. Enter your values rounded to the nearest w
son4ous [18]

Population growth is a change in population at any time and can be calculated as a change in the number of individuals in a population using "per unit time" for measurement.

<h2>Further Explanation </h2>

The term population growth refers to all species, but always refers to humans, and is often used informally as a demographic designation of the value of population increase, and is used to refer to world population growth. Population growth itself is influenced by factors of birth, death, and migration. In demographics, there is a term increase in a natural population and an increase in the total population. Where natural population growth is only influenced by births and deaths, while total population growth is affected by births, deaths, in-migration, and out-migration (emigration).

Back to the population growth rate. The rate of population growth each year in a certain period is called the population growth rate expressed in percentage units (%). This population growth rate also reflects the rate of population growth of an area every year. The higher population growth rate indicates a faster rate of population growth. Conversely, if a low population growth rate shows a slow population growth rate.

When population growth can exceed the loading capacity of an area or environment, the results end with overpopulation. Disruptions in human populations can cause problems such as pollution and traffic congestion, even though they can be covered by technological and economic changes. This region can be considered "underpopulated" if the population is not large enough to manage the economic system.

Growth value = (end population period - initial period population) / initial population period

Growth ratio = Growth value X 100%

Learn more

population growth brainly.com/question/3412355

Details

Grade:  High School

Subject:  Biology

keywords: population, growth.

6 0
3 years ago
How does natural selection explain why some organisms are more likely to survive and reproduce than other organisms?
nikdorinn [45]
The answers is C....
5 0
2 years ago
Major source of evidence for evolution
3241004551 [841]

Answer:

The major sources of evidence of evolution are: Anatomy, Molecular Biology, Biogeography, Fossils, and Direct observation.

Explanation:

5 0
3 years ago
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