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Marysya12 [62]
4 years ago
9

What is the relationship between proto-oncogenes and oncogenes? hints what is the relationship between proto-oncogenes and oncog

enes? both are involved in arresting the cell cycle. oncogenes are mutant forms of proto-oncogenes. oncogenes are versions of proto-oncogenes that have been permanently switched off. both must be activated to halt cell division?
Biology
1 answer:
Elan Coil [88]4 years ago
7 0
Oncogenes result from turning on, or activating proto oncogenes. Proto oncogenes are genes that code for positive cell cycle regulators, so proto oncogenes code for proteins that turn on cell division. Proto oncogenes are normal genes, but when they are mutated, they become oncogenes.  Oncogenes are expressed too much, which makes them  turn on cell division too much, which is cancer. 
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As thermal energy is added to an object, the speed of molecules of that object increase. True or False?
solmaris [256]

Answer:

True because at things like a metal string heats up, the molecules go faster which creates the thermal energy

7 0
3 years ago
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Both euglena (a eukaryote) and cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that dist
Usimov [2.4K]

Answer:

The presence of the nucleus!

Explanation:

Since it is a Bacteria, they do not have a nuclei. But eukaryotes do.

Both can reproduce(tip: Bacteria is asexual meaning it can reproduce by itself), has a membrane and have ribosomes

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3 years ago
A eukaryotic cell has a nuclear envelope that allows tRNA molecules, but not mRNA molecules, to leave the nucleus. Which of the
Luden [163]

tRNAs binding to codons

Hope this helps!

((:

7 0
3 years ago
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]

Answer:

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.

7 0
3 years ago
Which of the following is an example of pseudoscience?
Kryger [21]

An example of pseudoscience is Astrology.

<h3>What is Pseudoscience?</h3>

Pseudoscience may be defined as a recommendation, a determination, or a method of illustration that is delivered as science but that lacks the severity important to the scientific approach.

Pseudoscience may always deal with the concept of recommendation methods which seems to be faulty and does not provide enough evidence to support the answer.

Biology, Chemistry, Physics, and medicine involve the approach of scientific methods in their contents. Hence, these branches of sciences do not get classified under Pseudoscience.

The complete question is as follows:

Which of the following is an example of pseudoscience?

  • Biology
  • Astrology
  • Chemistry
  • Physics
  • Medicine

Therefore, the correct option is B, i.e. Astrology.

To learn more about Pseudoscience, refer to the link:

brainly.com/question/1493628

#SPJ1

6 0
2 years ago
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