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Elena L [17]
3 years ago
10

Do chipmunks have enlarged front teeth for gnawing

Biology
1 answer:
Digiron [165]3 years ago
8 0
The answer is Yes, Chipmunks do have enlarged front teeth for gnawing.
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Which of the following do prokaryotes not contain?
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It has no definite nucleus but a region containing chromosome called nucleoid.
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What are relationships between species that are adapted to each other and may be mutually beneficial or involve exploitation cal
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A.competition C.logistic <span>D.exponential</span>
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______________ is a way to calculate the age of an organic object by measuring the proportion of carbon-14 present. A) Calculus
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Aquifers are only composed of large underground cave systems that hold large stores of water.
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False

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An aquifer is an underground layer of water-bearing permeable rock or rock fractures or. The system shows two aquifers with one aquitard. Some abundant small openings store a large quantity of water. Groundwater may exist in underground rivers or underground cave systems where water flows freely underground. If the impermeable area overlies the aquifer, pressure could cause it to become a confined aquifer.

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You are interested in obtaining Staphylococcus aureus for a study investigating the prevalence of methicillin-resistant Staphylo
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You are interested in obtaining Staphylococcus aureus for a study investigating the prevalence of methicillin-resistant Staphylococcus aureus in the general population. You have received several samples and are ready to start your isolation procedures. Describe the personal protective equipment that would be needed and three different culturing techniques that can be used to obtain organisms to produce pure cultures. State if you use general or selective media and which specific media you would choose. How would you determine if the culture was contaminated? What is the first step you would take if you detected contamination?

Personal Protective equipment needed; No special precautions are necessary when working with methicillin-resistant staphylococcus aureus, staphylococcus aureus is a bio-safety level

Three different culturing media; to include;

  • Etest Method
  • Disc Diffusion
  • Latex Agglutination.

Properly enriched selective media is used.

The most accurate method for identifying Merthicillin-resistant staphylococcus is to test for the presence of mecA gene by PCR.

The best specific media is latex agglutination test and oxacillin salt agar screen.

How to determine if the culture was contaminated;

It can be spotted by the turbidity of the growth medium or the floating branching mycelia, bacteria contamination can be detected under 10× microscope within few days of contamination.

Step to take if contamination is detected;

Biological contamination is a serious issue and being able to correctly identify different types of contamination is an essential first step in ensuring the safety of your culture.

Explanation:

The literature on methicillin susceptible testing is extensive, and often conflicting in recommendations regarding the most important method for routine use. this is partly because the various studies of phenotypic methods have included different strains, which may differ significantly in heterogeneity and behave differently under particular test condition.

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