Peripheral shadows or flashes of light can be a sign that the retina is peeling away from the layer below. Why is detachment of the retina a medical emergency?
A. It is a sphincter muscle that controls light transmission.
B. It is crucial for focusing the image.
C. It secretes tears that bathe and protect the eyeball.
D. It contains the photoreceptor cells that respond to light.
Answer: D
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What is the difference between the function of DNA and the function of proteins?
A) DNA performs most cellular functions and proteins store information. B) DNA stores genetic information in the order of nucleotides and proteins store genetic information in the order of amino acids. C) DNA stores genetic information and proteins perform most cellular functions. D) DNA provides structure to the cell and proteins act as enzymes.
Which of the following is NOT a cause of mutation?
A. Errors in DNA replication B. Errors during meiosis C. Exposure to radiation D. Exposure to tobacco E. All of the choices are causes of mutations.
Phloem functions primarily in
A. transport of water B. growth of the root C. transport of products of photosynthesis D. increasing stem width
Provide five reasons why translation is more complex in eukaryotes compared to bacteria
What will be an ideal response?