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TiliK225 [7]
3 years ago
15

Which of the following best describes similarities that exist between reptiles and amphibians?. . They are both ectothermic and

have two-chambered hearts.. . They both have streamlined bodies and three-chambered hearts.. . They are both vertebrates that lay eggs to reproduce.. . They both have gills at some stage in their lives and are endothermic.
Biology
2 answers:
Lynna [10]3 years ago
8 0
"They are both vertebrates that lay eggs to reproduce" is the one among the following choices given in the question that <span>best describes similarities that exist between reptiles and amphibians. The correct option among all the options that are given in the question is the third option or the penultimate option. </span>
Pie3 years ago
5 0

Answer:

C

Explanation:

I took the test

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What type of mutation occurs when a nucleotide is added to the DNA?
Yanka [14]

Answer:

A frameshift mutation.

Explanation:

A frameshift mutation is when one adds an extra nucleotide to a series of nucleotides. This will mess up the order of the nucleotide, thus when it forms the codons, and eventually, the amino acids; all of the codons are wrong, thus all of the amino acids are wrong.

In this situation, an extra nucleotide is added to a sequence of DNA, this results in all of the other nucleotides getting pushed over by (1). Thus, all of the nucleotides form the wrong codons and the wrong amino acids. Therefore, a frameshift mutation has occured.

4 0
3 years ago
A school’s environmental club wants to reduce the ecological footprint that the student body creates annually. Which step would
Monica [59]

<u>Answer:</u>

Composting food scraps in the cafeteria to reduce landfill waste would have the greatest impact in reducing the school’s ecological footprint.

Option: (C)

<u>Explanation:</u>

  • Reducing the ecological footprint means bringing about some changes in lifestyle and living to improve the biocapacity.
  • Compositing food scraps in the cafeteria to reduce landfill waste is the best option that the environmental club can apply to reduce the school's ecological footprint.
  • This step can help to increase productivity of soil as well as reduce waste in landfill site.
  • The option of incineration of trash causes air pollution. Likewise, reducing recycling bins will not be helpful in decreasing the ecological footprint.
  • Instead, it causes the unmanaged collection of trash in school environment.
4 0
3 years ago
Diastole is the ________ phase of the cardiac cycle.
STatiana [176]
Diastole is the relaxation phase of the cardiac cycle. It is the normal rhythmic dilation of the heart's valves. During this time, the valves start to gather blood inside of their chambers. There are two types of diastole that occur in the heart, and they are:

1. Ventricular diastole - this is the period where the ventricles are filling and relaxing. 
2. Atrial diastole - the period in which the atria are relaxing. 

This is a continuous cycle that occurs in the heart the moment a person is conceived until the person meets his/her death.
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Where will a hydrophilic amino acid usually position itself during protein folding?
umka21 [38]
<span>A hydrophillic amino acid will have it's functional group positioned where the water is. Generally this will be outside of the polypeptide, and the amino acid will interact with polar entities, this will include other amino acids that match it's polarity.</span>
8 0
3 years ago
Which bones make up the elbow joint? 
Nataly [62]
The elbow is made up of the humerus, radius and ulna so your answer is A
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3 years ago
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