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Snezhnost [94]
3 years ago
14

Macconkey agar selects for which group of bacteria? explain. macconkey agar media differentiates between enteric bacteria based

on what biochemical reaction? explain. if the organism is
e.coli, what would you see on your plates? explain. if the organism(s is/are other enterics, what would you see on your plate? explain.
Biology
1 answer:
Zina [86]3 years ago
5 0
Initially address, Gram-negative in light of the fact that the precious stone violet restrains the development of gram-positive. 
Second question, Fermentation: the blend of carb lactose, bile salts, and pH turn it unbiased red since they are enteric and age lactose 
Third, we would see the development since it is gram negative microbes. 
Fourth 
1. coliform microbes (pink settlements in light of the fact that the pH is brought down and they are lactose fermenters) 
2. Looseness of the bowels typhoid, and paratyphoid bacilli (tan and straightforward provinces since they are non-fermenters)
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Environmental factors can influence natural selection because they can increase or decrease
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Answer:

Environmental factors can influence natural selection because they can increase or decrease the amount of genetic variation in a population.

Explanation:

Natural selection is a process that involves the survival of species through changes in the expression of their genes, making possible the process of adaptation to environmental changes. It is one of the explanations for the biological evolution of species.

The second premise, necessary for natural selection to be possible, implies the existence of a variability (genetics) of traits among individuals in a population.

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saul85 [17]

Answer:

Greenhouse gases

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Venus flytrap communicate with other organisms by secreting a sugary substance (nectar) in its leaf glands.

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