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DanielleElmas [232]
3 years ago
13

Which classes are included in the group Tetrapoda?.The choices are: Bony fishes, Amphibia, Reptilia, Aves, and Mammalia. . . . A

mphibia, Reptilia, Aves, and Mammalia. . . . Reptilia, Aves, and Mammalia.
Biology
2 answers:
allsm [11]3 years ago
6 0
B: Amphibia, Reptilia, Aves, and Mammalia 
Sidana [21]3 years ago
4 0

Amphibia, Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The correct answer between all the choices given is the second choice. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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The atoms of different phosphorus isotopes __________.
Jlenok [28]

Answer:

Have different numbers of neutrons

Explanation:

Isotopes of an element have different atomic numbers because thy differ in neutron number even though proton number remains the same across the isotopes. The mass number is the summation of the proton and neutron number. Phosphorus has approximately 23 isotopes whose mass number range between 25 and 47. Only ³¹P is stable.

4 0
3 years ago
_________is severe pain and constriction about the heart, usually radiating to the left shoulder and down the left arm and creat
White raven [17]

Answer:

Heart attack

Explanation:

Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.

This is caused when a blood clots blocks blood flow to the heart thereby leading makes the tissue to loss oxygen and die.

The symptom of heart attack are;

pain in the chest, neck, back or arms, fatigue, lightheadedness, abnormal heartbeat and anxiety, nausea.

Treatment ranges from surgery, medication , rehabilitation e.t.c.

7 0
3 years ago
What could be the consequence of a mutation that changes the sequence of nucleotides in a promoter?
Korolek [52]

Answer:

The changes in the sequence of nucleotides present within a promoter is a prime cause of the defected transcriptional regulation, which may eventually result in disease. However, not every modification within the sequence of a promoter influences the regulation of transcription, it relies upon the nature and the location of the genetic defect.  

When a mutation results within the sequence of a promoter region it may hamper the usual procedures of gene stimulation by affecting the step by step alignment of the transcription factors at the promoter region. Therefore, as a consequence, a mutation within the sequence of a promoter may result in the enhancement or reduction in the level of mRNA and thus protein.  

4 0
3 years ago
How many different genes do plant and animal cells contain?
Oksana_A [137]
The answer to this question would be...

B. Thousands

If you go to webpage <span>http://www.shapeoflife.org/2d-animal-cells-have-many-thousands-genes it will give you the same answer if you read through it.

Hope this helps a lot, leave a rating and like if it did!</span>
7 0
3 years ago
The nurse asks a patient to say "ahh" while performing suctioning. what is the rationale behind this intervention?
ivanzaharov [21]
To assist in opening the glottis
4 0
3 years ago
Read 2 more answers
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