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olchik [2.2K]
3 years ago
15

"the bacteria staphylococcus aureus has developed resistance to some antibiotic drugs. how did this resistance come about?"

Biology
1 answer:
Paha777 [63]3 years ago
4 0
<span>Staphylococcus aureus developed resistance to antibiotics because they evolved. This happened when bacteria were exposed to a drug, but not all of them died. The survivors reproduced and passed on their survival traits to their offspring.</span>
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The plant below is purebred for height tall. Write the alleles of this plant. In any cross for height, what kind of Offspring wi
Tomtit [17]

Answer:

TT

All tall

Explanation:

If an organism is purebred, that means it is homozygous. That means, it contains two copies of the same allele (trait) at this particular gene. Lets denote the tall allele as T. That means the plant is TT, and purebred tall.

No matter what genotype (i.e. what 2 alleles) another plant has, the offspring will always be tall. That is because it will always inherit one T from the TT parent. Even if we cross it to a tt plant, all the offspring would be Tt. They would be heterozygous, but they would be tall.

5 0
3 years ago
If a rock sample has a mass of 1.17 g and a volume of 0.33 cm3, what type of rock is it?
katrin2010 [14]
.........gold??..........its a guess
4 0
3 years ago
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HELP ME. What are ways that ordinary people can help to keep antibiotic resistance from getting worse? Express your opinion abou
ycow [4]
By taking daily antibiotics, people are encouraging resistance by getting their immune systems used to the formulas. Antibiotic resistance<span> occurs when bacteria change in a way that reduces the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply, causing more harm. I think that people can help by not taking antibiotics for every little pain they have, instead try other simple remedies and only use medicines in cases where other remedies won't help. </span>
4 0
3 years ago
Water can "defy gravity" and climb uphill? True or false. Why or why not
harina [27]
The answer is actually <u>true</u><u>.</u>

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Hope this helps!  If it does, would you mind marking my answer as Brainliest? Thanks :D

3 0
3 years ago
Fill in the blank
professor190 [17]

Answer:

Osmosis is the diffusion of water molecules across a permeable membrane from an area of higher concentration of water molecules to an area of lower concentration of water molecules concentration until equilibrium is reached

8 0
2 years ago
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