Answer: The lipid bilayer forms a barrier to molecules because it consists of closely-packed molecules with long nonpolar hydrocarbon chains.
Explanation:
The oldest oceanic crust is found at the mid-ocean ridges. Thus, option "A" is correct.
<h3>How old is the youngest oceanic crust?</h3>
The ocean crust is about younger than 200 million years (for example, smaller than 5% of the age of the earth).
The crust is most naive (still being created by volcanic eruptions) along the axis of the mid-ocean ridges and increases in age down the sides of the mid-ocean rises and out onto the more serious basin floors.
Thus, option "A" is correct.
To learn more about oceanic crust click here:
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Without matter theyre is no nature
Answer:
<u>B) Polycystic kidney disease</u>
Explanation:
<u>A) Hypospadias</u>
It is a congenital disease characterized by an abnormal urethral opening on the dorsum of penis.
<u>B) Polycystic kidney disease</u>
It is a disease characterized by the multiple cysts in the kidney as implied by the name.
<u>C) Cystitis</u>
It is defined as the infection of urinary bladder.
<u>D) Dysuria</u>
It is defined as painful urination. It can be due to infection or other underlying disease.
<u>E) Epispadias</u>
It is a congenital disease characterized by an abnormal urethral opening on the ventral surface of penis. It is much less common than hypospadias.
<u>CORRECT ANSWER</u>
From the options, the most appropriate answer is <u>B) Polycystic kidney</u> as it is a disease characterized by the formation of cysts in the kidney. These cysts obstruct urinary flow.
