Describe the importance of hemoglobin
What will be an ideal response?
It is a globular protein, which is made of quaternary structure. It is comprised of four polypeptide subunits. Red blood cells contain a large amount of hemoglobin. Oxygen binds to heme unit of the molecule and carried from the lung to the tissue.
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The function of melanin in the skin is to
A. reduce water loss. B. prevent infections. C. help regulate body temperature. D. protect against UV light. E. keep the epidermis soft and pliable.
Sperm are ejaculated from the corpora cavernosa of the penis
Indicate whether the statement is true or false
Which association is least appropriate?
a. lactotrope, prolactin b. thyrotrope, thyrotropin c. somatotrope, growth hormone d. gonadotrope, luteinizing hormone e. corticotrope, cortisol
Which of the following compounds will result in a positive Benedict's test?
A) maltose B) fat C) starch D) protein