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Sedbober [7]
3 years ago
5

According to the principle of _______, hydrogen bonds can form only between adenine and thymine, and between guanine and cytosin

e.
Biology
2 answers:
Marina86 [1]3 years ago
8 0

Answer:

Base pairing

Explanation:

max2010maxim [7]3 years ago
4 0

Answer: base pairing

Explanation:

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A 10-year-old child has an unknown infection and will need to provide a urine specimen for culture and sensitivity. To assure th
igomit [66]

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Obtain specimen before antibiotics are given.

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Antibiotics may be defined as the chemicals given to kill or restrict the growth of the bacterial infection. The antibiotics are not available for virus as they can change their DNA.

The sensitivity results can be accurate if the nurse is able to ensure the successful culture of the antibiotics. Throat culture specimen is taken from the pharyngeal area. The aseptic technique can be used by the nurse for obtaining the blood and urine specimen.

Thus, the answer is obtain specimen before antibiotics are given.

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3 years ago
There are some exceptions to how the genetic code is read in organisms. Which organelle found in
motikmotik
Membrane is the answer i think
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2 years ago
Two umbilical arteries leave the __________ of the fetus, enter the umbilical cord, and deliver blood to the placenta.
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internal iliac arteries

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A colony on an agar plate that is slightly and equally elevated and unbroken would be classified as
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A colony on an agar plate that is slightly and equally elevated and unbroken would be classified as circular form of colony. These are pinhead colonies which are usually convex on its entire margins. These form of nutrient agar plates are usually<span> raised or elevated and unbroken.</span><span> </span>
3 0
2 years ago
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Mammals are the only animals that have hair. Would you consider the presence of hair in mammals to be an ancestral or derived tr
Fantom [35]

Answer:

derived trait

Explanation:

An ancestral (or primitive) trait/character is a feature inherited from the common ancestor of the species/group of interest, while derived traits are those that were absent in the last common ancestor of the group of interest. For example, considering mammals as the target group, the presence of hair is a shared derived trait relative to other vertebrates, i.e., amphibians, reptiles and birds. However, this trait (hair) is ancestral for humans since the genetically closest species to humans (e.g., chimpanzees), also have hair, and they have inherited this trait from a common ancestor.

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