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mixas84 [53]
3 years ago
5

WILL GIVE ABRAINLEST

Biology
2 answers:
mariarad [96]3 years ago
8 0
Water fffffffffddddddddddddd
jarptica [38.1K]3 years ago
7 0
<span>Water is the benefit of a hydrogen fuel cell.</span>
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A microbiologist plated a bacterium on a specific medium. After incubation, she noted that the previously yellow medium was now
alexdok [17]

Answer:

A differential medium

Explanation:

Bacteria require nutrients for growth, and in order to culture (grow) them and study their characteristics, different types of media are used.

A selective media is used to grow a particular group of organism while suppressing another. So a selective media usually has an inhibitory agent, which will inhibit the growth of the undesired group. An antibiotic can be added to a medium to make it selective.

A general purpose medium as the name implies can be used to grow any group of bacteria. It has no inhibitory agent and indicator that differentiates between organisms. An example of general purpose media is nutrient agar .

A non-synthetic media is made from natural ingredients.

A differential media differentiates between groups of organisms. Example of differential media is MacConkey agar and Mannitol Salt agar. On MacConkey agar, lactose fermenting bacteria turn pink while non-lactose fermenting bacteria are colorless.

On Mannitol Salt agar, mannitol fermenting bacteria turn yellow while non-mannitol fermenting bacteria are colorless. Mannitol Salt agar is also a selective medium. It has a high salt concentration which inhibits certain organisms.

6 0
3 years ago
What is cell surface to volume ratio and why is it important in cell functioning? Can it explain why cells are so small?
MrMuchimi
<span>The main reason surface area to volume ratio is important to a cell is because the surface area to volume ratio determines the rate at which cells uptake nutrients, liquids or gases. For instance, I have two organisms, A and B. Organism A has a surface area to volume ratio of 6:1, whereas organism B has a surface area to volume ratio of 3:1. As organism A has a greater surface area to volume ratio, it means that organism A will be able to take up nutrients, liquids or gases via diffusion or osmosis at a greater rate than organism B, as it has more surface with which to exchange nutrients, liquids or gases. </span>
4 0
3 years ago
A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. Wha
lubasha [3.4K]
It’s 3:4 that’s the answer
3 0
2 years ago
Ribonucleotide reductase controls the synthesis of deoxyribonucleotides and the balance of nucleotides in the cell. The R1 subun
aliya0001 [1]

Answer:

ATP and dATP

Explanation:

In the R1 subunit of ribonucleotide reductase, molecules that binds the site regulating overall ribonucleotide reductase activity  include both ATP and dATP. In addition, binding of ATP can activate ribonucleotide reductase and the binding of dATP deactivates ribonucleotide reductase.

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3 years ago
What biological macromolecule is made up of monomers like the one shown below?
erik [133]

Answer:

Nucleic acid

Explanation:

8 0
3 years ago
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