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Vaselesa [24]
3 years ago
7

Which characteristic of a protein may change during a DNA mutation?

Biology
2 answers:
Keith_Richards [23]3 years ago
5 0
Hardness is the answer I believe
klasskru [66]3 years ago
3 0

Answer:

D shape

Explanation:

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An incomplete diagram of the rock cycle is shown below. Use the labels to correctly complete the diagram.
Afina-wow [57]

it goes sedimentary rock to metamorphic is heat and pressure

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Thats all i got

4 0
3 years ago
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An unknown bacterium produces colorless colonies when inoculated onto an EMB plate. Predict what you would see if you inoculated
marshall27 [118]

The EMB (Eosin Methylene Blue) agar is a selective and differential agar medium. It contains sucrose and lactose as fermentable substrates together with Eosin Y and methylene blue dyes which in combination gives the agar its characteristic color when prepared and serves as a pH indicator as well as an inhibitor of growth of Gram-positive bacteria. Hence, it is primarily used to isolate Gram-negative fecal coliforms while some positive fecal coliforms such as Staphylococci are also able to grow.

These coliforms are of two types:

  • Lactose or sucrose fermenting coliforms form metallic sheens on the agar as a result of acid production and the response of the indicator to the increased acidity.
  • Non-lactose/sucrose fermenters are only able to produce acid by protein deamination. Hence they either form colorless or pinkish colonies on the agar

On the other hand, Mannitol salt agar is a selective and differential agar medium that is primarily used to isolate Staphylococcal bacteria. The presence of sodium chloride in the medium makes it a partial or complete inhibitor of other bacteria.

Hence, an unknown bacterium that forms colorless colonies on EMB will either be a non-lactose fermenting, Gram-negative coliform that will hardly grow on Mannitol salt agar, or a Gram-positive fecal Staphylococcus.

Staphylococci bacteria are of two types:

  • Coagulase-positive will form yellow colonies on the Mannitol salt agar.
  • Coagulase-negative will form red colonies on the Mannitol salt agar.

More about isolating media can be found here: https://brainly.in/question/7238948

5 0
2 years ago
What is the sequence of organs as the body filters urea into urine within the excretory/urinary system? *
ser-zykov [4K]

Photosynthesis allows plants, algae and certain bacteria to turn sunlight into chemical energy. The amazing feat is achieved because sunlight can fuel a reaction between water and carbon dioxide that, in turn, produces carbohydrates (simple sugars) and oxygen.

Hope this helped

4 0
2 years ago
if a single species of squirrel evolved over time into 2 species, each on opposite side of the grand canyon, what is this change
-Dominant- [34]
On one side of the grand canyon could be a squirrel with a birth defect witch reproduses with a  squirrel with normal genes. But the birth defect is stronger than whatever trait that may be. so the litter of squirrels mostly have this trait. and the cycle contiues

6 0
3 years ago
Soil degradation is primarily attributed to:
marusya05 [52]
B is the correct answer
5 0
3 years ago
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