The shape of DNA is called a __double____ _____helix_____

Someone new is preparing media for lab and adds buffers to the EMB agar that raise the pH to 7.8. The starting pH of EMB plates

mestny [16]

Answer and Explanation:

Eosin Methylene blue agar or EMB agar consists of sucrose, lactose, methylene blue and Eosin Y. These segments make it a differential medium which permits development of gram-negative microorganisms. Gram positive microscopic organisms develop inadequately on this medium.

It is particular for development of gram-negative microscopic organisms. It likewise separates between non-fermenting gram negative enteric microscopic organisms and lactose fermenting.

Lactose fermenting gram negative microscopic organisms use lactose to deliver corrosive which changes the shading to dull purple. Some of the lactose fermenter will exhibit dim provinces with green metallic sheen while different settlements with purple focus. Green metallic sheen is because of creation of solid acids.

In the event that the beginning pH is 7.8 rather than 6.9-7.3, the color won't change shading regardless of creation of acids. Consequently, it won't be conceivable to separate between lactose fermenter and non-fermenters.

7 0

2 years ago

What is the gersmehl diagram of the ocean?

Stells [14]

Soil is composed of disintegrated rock particles, humus, water and air. Litter is composed of humus and leaf litter. Also called nutrient cycle, The Gersmehl diagram was created in 1976 by P. F. Gersmehl whit the purpose of showing the differences innutrient flow and storage betweendifferent ecosystem

5 0

3 years ago

List three reasons why plants and animals are valuable to the local economy. How could the endangered species act help or hurt a

katrin [286]

Answer:

Plants are valuable since they provide our food, materials for shelter, and purify the air (photosynthesis).

Animals such like livestock, supply us with food, fiber and leather.

The Endangered species act can help a local economy because it helps to supply clean air and pure water. It also protects our natural supplies.

5 0

2 years ago

Scientists find a new cell from a soil sample from the Mars rover! The cell has a cell wall, cell membrane, ribosomes, and the D

morpeh [17]

Eukaryote plant or ukaryote animal

6 0

3 years ago

Algae are important in the formation of coral reefs.<br> Brown<br> Red<br> Fire<br> Golden-brown

Sliva [168]

Answer:

Red algae

Explanation:

Coral reefs are the structure which are one of the some most important underwater ecosystems of the world. They are characterized by the formation of roof-building corals which are basically the colonies of dead or living polyps(corals) attached together through deposition of calcium carbonate.

Red algae has an important role in the formation of coral reefs because their thread like structure traps the particles present in the sand of water which ultimately gives the algae a mechanical support for their growth as well as the formation of coral reefs.

Hope it helps!

6 0

3 years ago

Read 2 more answers

The shape of DNA is called a __double____ _____helix______.

The shape of DNA is called a double _helix____.