Answer:
The DNA of an amphibian, such as a frog, is different from the DNA in a human because a frog's DNA contains a different number and sequence of nitrogenous bases (option A).
Explanation:
DNA is the molecule that contains all the genetic information of the different species of living beings, being a molecule that is present in all of them.
Although the DNA of all living beings has the same basic structure —four nitrogenous bases, a deoxyribose and a phosphate group— what makes the differences between species is the length of the DNA molecule and the different sequences of nitrogenous bases present in the molecule. It is for this reason that frog DNA is different from human DNA.
The other options are not correct because:
<em> B. There are no differences in the </em><u><em>phosphate groups</em></u><em> from one species to another.
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<em> C. All DNA molecules </em><u><em>contain guanine and adenine</em></u><em>.
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<em> D. </em><u><em>Hydrogen bonds</em></u><em> between nitrogenous bases depend on the amount of paired bases, but are not related to differences in DNA between species.</em>
Answer:
C. Sex cells
Explanation:
The process shown in the figures is Mitosis, which is the division of cells that end in 2 identical daughter cells. Sex cells, however, do not go through mitosis as their offspring are genetically different; they go through a process called meiosis. The other cells listed are all somatic and therefore go through mitosis, so C must be correct.
Answer:
Water also raises blood pressure in older normal subjects, <u><em>but not in young normal subjects. </em></u>The studies suggest that water is an important unrecognized factor in clinical studies of blood pressure medications. Drinking more water at 60 minutes caused the blood pressure effect to be sustained for another hour.
Answer:
Expand in the water
Explanation:
Molecules tend to move from places of high concentration to low concentration. When the cell is placed in the solution, it will expand in the water.
I hoped I helped somewhat-