A stem has nodes and internodes. Which of the following features helps identify nodes on a stem?the presence of buds on the nodes

the origin of roots from nodes

the swollen appearance of nodes

Answers

Answer 1

Answer: The answer is the presence of buds on the nodes.

Node is a segment of the stem where buds are attached. A segment between two nodes is known as internode. Node is not swollen, and more important, there are no nodes on the roots, nor the origin of roots is from nodes. Nodes are easily identified thanks to buds attached to them.

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What a fascinating question! Just out of college, on my first job, I was called to the delivery room to assist the obstetrician in collecting a blood sample from the not-yet born fetus? scalp. I was nearly immobilized at the sight of the impending birth. Ever since that night, I have gotten goosebumps when witnessing a birth. It is certainly an amazing event, and pondering the entire journey from conception to birth is marvelous! Some of the material I have found is published by religious, political and anti-abotion sites. Neither Google Answers nor I endorse any of these sites. Such web pages were cited here for conception and gestation information, and not because of ideology.

a. Describe three conditions that create opportunities for normal microbiota to become an opportunistic pathogen. b. Explain three ways in which a bacterium could gain resistance to an antibiotic. c. You are a food manufacturer and you need to sterilize one of your products: powdered milk contained in a glass jar, what would be the best way to do this? d. Explain the mechanism of action of the aminoglycoside group of antibiotics? e. Explain two mechanisms which antibiotic resistant bacteria would be using to be resistant? f. Ten people a stuck in an elevator with a clumsy scientist who drops a vial containing 11 million cells of dangerous bacteria. When the vial breaks the sample aerosolizes. The ID50 of this organism is 5X105 cells and the LD50 is 1X106. How many of these people will potentially get sick and how many could die? Explain your answer

Answers

B.
genetic variation causes antibiotic resistance

Antibiotics, in one way or another, come from bacteria and fungi themselves. These antibiotics are produced naturally by the bacteria and fungi to eliminate competition with other bacteria present. With such great discovery in this endeavor, many lives were saved. It was not long that bacteria found ways to be resistant to antibiotics. Bacteria that was found on frozen dead bodies are resistant to modern antibiotics. There are two currently known ways as to how bacteria builds resistance against antibiotics. One would be mutation. Due to continued exposed to the antibiotic, the bacteria would adapt to it and cause themselves to mutate to combat antibiotic. The second one would be the swapping of DNA or as what scientists call the horizontal gene transfer. This only applies though to some or few bacteria that already has this feature built-in to them.

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G1 phase
G2 phase
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Answers

During synthesis phase (S phase), the genetic material is duplicated. The cell duplicates its chromosomes. This leads to the presence of two sister chromatids in each chromosome. The cell then becomes ready for enetring into the prophase of te mitosis.

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Answers

The correct answer is (a.) moderate temperatures. The moderate temperatures allow Earth to maintain bodies of water into its normal state. Changes in the bodies of water in terms of volume and structure would change due to the change in temperature.

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What are water bodies?

Rivers.
Lakes.
oceans.
Lagoons.

The earth's ability to maintain its water bodies is due to moderate temperatures, which allow this water to remain in a liquid state and pass through a cycle that maintains it. If the earth were a very hot planet, water bodies would completely evaporate. If the earth were very cold, the bodies of water would freeze.

Learn more about Earth's temperature:

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Answers

The answer is enzymes. Enzymes are biological catalysts and increase the speed of change from substrate to product. The name of enzymes is usually derived from the substrate they break down. For example, lactase breaks down sugar lactose. The name of enzymes contains suffix -ase, for instance, carbonic anhydrase, lactase, lipase, amylase, etc...

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Answers

Analyze sample data. Test statistic. When the null hypothesis involves a mean or proportion, use either of the following equations to compute the test statistic. ...P-value. The P-value is the probability of observing a sample statistic as extreme as the test statistic, assuming the null hypotheis is true.

Answer:

C.) By performing a controlled experiment

Explanation:

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