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Anvisha [2.4K]
3 years ago
9

Bacterial strain A (met , his-, arg ) is mixed with bacterial strain B (met-, his , arg-), grown in complete media, then plated

on minimal media supplemented with histidine. Bacteria grows on the plate, which indicates that ________.
Biology
1 answer:
Troyanec [42]3 years ago
7 0

Answer:

Plate has all the essential nutrients that is required by the bacteria.

Explanation:

Bacteria grows on the plate, which indicates that the plate has all the essential nutrients that is required by the bacteria. Bacteria needs a type of media for its growth which contains all the necessary items which plays a key role in its growth and development. This plate has a media that contains food which the bacteria use for its growth and development so that's why we can say that  plate has all the essential nutrients that is required by the bacteria.

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Identify some geographical barriers that could separate populations.
mr_godi [17]

Answer:

Oceans, lakes, any large bodies of water.

Explanation:

In terms of country populations, oceans separate the different populations from each other.

5 0
3 years ago
With regard to the process of neural transmission, a refractory period refers to a time interval at which?
dangina [55]

Neurotransmitters. With the regard to the process of the neural transmission, a refractory period refers to the time in interval in which. the Positively charged sodium ions are to pumped back to outside a neural membrane.

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Fortunately, the seven “small molecule” are neurotransmitters (acetylcholine, dopamine, the gamma-aminobutyric acid (GABA), or glutamate, histamine, norepinephrine, and the serotonin) do the majority of the work.

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6 0
2 years ago
A man and woman are deciding whether to have a child. The genotype of
LUCKY_DIMON [66]

Answer:

No, the child cannot inherit the disease.

Explanation:

The problem tells you that the man has a recessive allele for an inherited disease, but he has a normal phenotype. This means that the disease is recessive and in order for an individual to have the disease, they must have two recessive copies of the allele. The problem also tells you that the mother has a genotype that does not include this allele. With this information, you can do a punnet cross of BB (mother) x Bb (carrier father), and end up with the following possible genotypes: BB, Bb, BB, Bb. Therefore the child will not have the disease, but there is a 50% chance that the child will be a carrier for the disease.

3 0
3 years ago
How does a cell get water and nutrients ?
prisoha [69]
The proteins in the cell membrane allow the nutrients to go and waste to go out <span>of a cell. Water passes through the cell membrane without the help of proteins.</span>
7 0
3 years ago
Why would a drug that damages capsids help treat a viral infection?
Marat540 [252]

Answer:

D

Explanation:

a drug that damages capsids could help treat a viral infection because if the capsid of a virus is damaged, the virus is unable to replicate.

4 0
3 years ago
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