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elena55 [62]
3 years ago
10

If the bacterium staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, then what sho

uld happen in environments from which antibiotics are missing
Biology
1 answer:
djyliett [7]3 years ago
4 0
The bacteria must be outcompeted and substituted by bacteria that have gone this genetic factor. In addition, antibiotic resistance is a natural phenomenon.  Once an antibiotic is used, bacteria that can fight that antibiotic have a greater chance of existence than those that are vulnerable. The vulnerable bacteria are exterminated or inhibited by an antibiotic, subsequent to a selective weight for the existence of resilient tensions of bacteria. Around opposition happens without human deed as bacteria can yield and use antibiotics in contradiction of other microorganisms, prominent to a low-level of the natural assortment of opposition to antibiotics. Though, the presently advanced points of antibiotic resilient bacteria are credited to the abuse and abuse of antibiotics. 
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Select the correct answer.
GrogVix [38]

Answer:

D.  A mutation causing uncontrolled cell division

Explanation:

Cell division is controlled by various mechanisms. Any mutations in the genes regulating the cell division lead to uncontrolled cell division. Loss of control over the process of cell division leads to the formation of tumors.  

These tumors may cause cancer if they are transformed into malignant tumors. Hence, a mutation that causes loss of control over cell division is harmful.  

5 0
3 years ago
Chromosomes are structures of nucleic acids and proteins found in the nucleus of a cell. They contain all the genetic informatio
GalinKa [24]

Answer:

A

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A)Chromosomes assort independently, and crossing-over occurs.

8 0
3 years ago
How did Francesco Redi disprove the idea of spontaneous generation?
ANTONII [103]

Answer:Francesco Redi was against the theory of spontaneous generation. His intent for performing this experiment was to disprove the theory. He took six jars and filled them with decaying meat. He left three of these jars open and sealed the other three.

Explanation:

7 0
2 years ago
The Chesapeake Bay is an important natural resource. Over the years, the number of oysters in the bay has declined dramatically,
valkas [14]

Answer:

True

Explanation:

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Over the years, non - sustainable harvesting of oysters by farmers have been happening at Chesapeake bay, resulting in a reduction in the amount of oysters present.

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. What is the first step of thermonuclear fusion within the Sun to form helium-4?
torisob [31]

Answer:

a nucleus of Deuterium (2H)

Explanation:

formed from two protons with the emission of an antielectron and a neutrino. In the basic Hydrogen fusion cycle, four Hydrogen nuclei (protons) come together to make a Helium nucleus.

5 0
2 years ago
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