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galben [10]
3 years ago
7

Rachel was very sick with a bacterial infection. The infection was treated with antibiotics. Rachel seemed to get well, but in a

few weeks, she was sick again. How can this be explained? the antibiotics did not kill the bacteria; it forced them to be dormant the stronger, more resistant bacteria survived the antibiotics and reproduced antibiotics only kill a portion of the bacteria, regardless how much medicine Rachel takes
Biology
1 answer:
34kurt3 years ago
3 0

Answer:

Selective pressure: The bacteria become susceptible to the drug and can withstand it.

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Use the drop-down menus to complete the statements. Anthers release pollen, which lands on the of another flower of the same spe
Tema [17]

Answer:

See the answer below

Explanation:

Anthers release pollen, which lands on the stigma of another flower of the same species. The pollen grain produces a pollen tube that grows down the style, to the ovary, and into the ovule. The sperm cell fertilizes the egg cell. The ovule develops into the seed, and the ovary becomes the fruit.

<em>During fertilization in plants, the anther which carries pollen releases pollen grains. Once the pollen lands on the stigma of a flower of the same species, it germinates. The pollen grain produces a pollen tube that grows through the style of the stigma down to the ovary and into the ovule. One of the sperm cells fuses with the egg cell of the ovule to form the zygote while the other sperm cell fuses with the polar nuclei to form the endosperm in a process known as double fertilization. After fertilization, the fertilized ovule becomes the seed and the ovary becomes the fruit. </em>

5 0
2 years ago
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Suppose someone gave you a picture of an electron dot diagram. What would be included in your interpretation of the diagram?
Ghella [55]

Answer:

Hola

Explanation:

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5 0
3 years ago
\Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. What is one benefit of th
Aleks04 [339]
This produces medicines that can possibly save the lives of cancer infected patients who otherwise could die.
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3 years ago
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The ballistic method of developing flexibility is the safest form of stretching. please select the best answer from the choices
Veseljchak [2.6K]

Answer;

The above statement is false.

The ballistic method of developing flexibility is not the safest form of stretching.

Explanation;

-Ballistic stretching uses the momentum of a moving body or a limb in an attempt to force it beyond its normal range of motion. It involves stretching by bouncing into (or out of) a stretched position, using the stretched muscles as a spring which pulls you out of the stretched position. An example is the ballistic method of touching your toes would be to bounce and move toward your feet.

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3 years ago
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Compare and contrast. what three elements do all macromolecules share? explain how the chemical properties of lipids, nucleic ac
inn [45]

All macromolecules have carbon atom and the hydrogen atom.

<h3>What are macromolecules?</h3>

The term macromolecules refers to the molecules that are composed of smaller units. These smaller units are called monomers. The macromolecules that we are concerned with here are the macromolecules that could be found in the human body.

The biological macromolecules are often very large as we can see. This is because the number of units that are joined to form the macromolecules are usually very much. There are thousands of monomer molecules that are joined together to give proteins, lipids, carbohydrates and the nucleic acid macromolecules.

All the macromolecules have the carbon atom and the hydrogen atom. These are found across all the macromolecules. The carbohydrates are reducing sugars thus they contain the carbonyl bond. The carbonyl group is absent in lipids, nucleic acids, proteins, and amino hence they do not undergo carbonyl reduction reactions.

Learn more about macromolecules:brainly.com/question/15237842

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1 year ago
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