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3 years ago

1. A decomposer ultimately obtains all its food from

2 answers:

7 0

C ) dead and decaying plant matter. This is because they get their energy from that and the nutrients that decomposers release into the environment become part of the soil, making it fertile and good for plant growth. These nutrients become a part of new plants that grow from the fertile soil.

nirvana33 [79]3 years ago

5 0

The answer is going to be C. hope this helps!

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Where does a bacterial cell store its dna?

zzz [600]

Nucleoid region......

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4 years ago

If a plant takes in 6 CO2 molecules and 6 H2O molecules in order to build one C6H12O6 molecule, what element will the plant have

lora16 [44]

Answer:

Oxygen (O2)

Explanation:

This question is describing photosynthesis which uses carbon dioxide and water as reactants in the presence of sunlight to synthesize sugar (glucose) and oxygen. The general equation is as follows:

6CO2 + 6H2O ---> C6H12O6 + 6O2

According to this question, a plant takes in 6CO2 molecules and 6H2O molecules in order to build one C6H12O6 molecule. Using the balanced equation above, the extra element is OXYGEN, which still needs to be released as a gas for the equation to be balanced i.e 6O2 molecules

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3 years ago

Name two conditions that must be met for a reliable Gram staining result.

Hatshy [7]

Answer:

The two important conditions that must be met before gram staining are-

1. The age of the culture should not exceed 24 hours.

2. Over heating, decolonization should be avoided.

Explanation:

Gram staining is a technique developed to distinguish the bacteria on the basis of the composition of the cell wall around the bacteria.

The gram stain is a sensitive technique so must be performed carefully. The precautions should be taken to avoid any error while gram staining that is-

1. Age of the culture- The culture should be freshly prepared just 18-24 hours before the experiment as above 24 hours bacteria lose their ability to retain the color so one would not be able to differentiate between the cultures.

2. While performing the experiment one should avoid overheating and decolorization with ethanol as both the factors lead to the loss of crystal violet stain from the cell and they take pinkish color after safranin staying.

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3 years ago

if you wanted to use a radioactive or fluorescent tag to label only the RNA in a cell and not the DNA what molecules would you l

scoray [572]

Uracil & Thymine

Explanation:

Uracil, a nucleic acid nitrogenous base, is only found in RNA and does not occur in DNA. On DNA its place is taken by Thymine base. Marking Uracil with a radioactive or fluorescent tag will ensure that only RNA is traced while tagging Thymine ensures that only DNA is traced.

Thymine is found in DNA because it is more stable than Uracil hence it provides an evolutionary advantage in its use to store cell information.

Learn More:

For more on this difference check out;

brainly.com/question/10945172

#LearnWithBrainly

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3 years ago

If saffron made by yeast is a success and becomes available commercially in the u.s. as vanilla made from yeast is expected to,

Misha Larkins [42]

Vanilla, saffron, patchouli. For centuries, spices and flavorings like these have come from exotic plants growing in remote places like the jungles of Mexico or the terraced hillsides of Madagascar. Some were highly prized along ancient trading routes like the Silk Road.

Now a powerful form of genetic engineering could revolutionize the production of some of the most sought-after flavors and fragrances. Rather than being extracted from plants, they are being made by genetically modified yeast or other micro-organisms cultured in huge industrial vats.

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3 years ago