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djverab [1.8K]
3 years ago
6

You are setting up your own lab, where you plan to study proteobacteria. You have narrowed your research focus and decided that

you are most interested in the role of proteobacteria in the global nitrogen cycle. Which species of proteobacteria should your researchers study?
Check all that apply.
a. Alphab. Betac. Epsilond. Deltae. Gamma
Biology
1 answer:
loris [4]3 years ago
6 0

Answer:

-Alphaproteobacteria

-Betaproteobacteria

Explanation:

  • Proteobacteria are gram-negative bacteria that can either be pathogenic or free-living parasitic in nature.
  • Several classes fall under the category of proteobacteria, and two of them are alphaproteobacteria and beta proteobacteria.
  • Both Alphaproteobacteria and Betaproteobacteriaare are the ones that play an important role in nitrogen fixation and since according to the question the research is focused studying the role of proteobacteria in the global nitrogen cycle, it is wise to choose these two bacterial classes.
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Evaprotion is controlled by what in a plant
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8 0
3 years ago
The runner below has a mass of 55 kg and is moving at 3.87 m/s. what is his kinetic energy in joules
sweet-ann [11.9K]

Answer:

<h2>411.86 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2}  \\

m is the mass

v is the velocity

From the question we have

k =  \frac{1}{2}  \times 55  \times  {3.87}^{2}  \\  = 27.5 \times 14.9769 \\  = 411.86475

We have the final answer as

<h3>411.86 J</h3>

Hope this helps you

4 0
2 years ago
Consider a population of 425 diploid giant Sequoia trees. In this population, you observe the following genotypic counts: 100 ho
Lemur [1.5K]

Answer:

q = 0.42

Explanation:

This question is an example of Hardy-Weinberg question and there are two equations necessary to carry out this question;

p + q = 1

p² + 2pq + q²  = 1

where;

p = the frequency of the dominant allele

q =  the frequency of the recessive allele

p² = the frequency of individuals with homozygous dominant genotype

2pq  = the frequency of individuals with heterozygous genotype

q² = frequency of individuals with the homozygous recessive genotype

Since the total  population = 425

q² = \frac{individuals with recessive genotype}{Total Population}

= \frac{75}{425}

q² = 0.1765            

To find q; we need to square root both side to           eliminate the square from  q².

∴ \sqrt{q^2}=\sqrt{0.1765}

q = 0.4201

q = 0.42       (to two decimal places)

4 0
3 years ago
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