1.) Frequency measures the amount of waves that pass a specific point per second.

Biology

1 answer:

belka [17]3 years ago

5 0

1.) is a 2.) is probably B. and 3.) is most likely a

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Homework. Unanswered

Dennis_Churaev [7]

Gram-positive bacteria are bacteria that have thick cell walls which yield positive results in the Gram staining test. Lipoteichoic acid is a major component of the cell wall of gram-positive bacteria.

All bacteria indicated in the question can be classified by the Gram staining test:

Actinomycetes are Gram-positive bacteria
The genus Arthrobacter includes Gram-positive bacteria
Escherichia coli (E. coli) is a Gram-negative bacterium
Staphylococcus spp. are Gram-positive bacteria
Bacillus spp are Gram-positive bacteria
Mycobacterium spp. are Gram-positive bacteria

Prokaryotes can be divided into two domains: Bacteria and Archaea.

Gram staining is a method used to classify bacteria, but this method IS NOT USED to stain Archaea.

In consequence, I would not use the Gram test to stain Archaebacteria because Archaebacteria aren't bacteria (Option A is correct).

Archaebacteria belong to the Archaea domain.

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brainly.com/question/13756030?referrer=searchResults

6 0

2 years ago

A population in which the frequency of alleles remains the same over generations is said to be in genetic equilibrium. Describe

DochEvi [55]

Answer:

Natural selection disrupts the genetic equilibrium by favoring the genes for the traits that impart survival advantage to individuals.

Explanation:

Natural selection refers to the unequal survival rate of individuals of a population due to the presence of some beneficial adaptive genetic trait. These individuals are able to survive more and leave more progeny. Over generations, the population has increased number of these individuals leading to evolution of a population with different allele frequencies.

For example, the frequency of gene for antibiotic resistance in the bacterial population was increased once humans started using antibiotics to control the bacterial population. This led to the evolution of the bacterial population with antibiotic resistance.

7 0

3 years ago

In cuba, reed, carroll, and lazear fought against which disease?

djverab [1.8K]

I'm pretty sure it was yellow fever.

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3 years ago

Using the Image above which statement does not accurately describe the relationship between photosynthesis and cellular respirat

professor190 [17]

Water only needed for Photosynthesis.. Not both of Photosynthesis and Respiration..

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3 years ago