Which of the following characteristics of capillaries is most directly related to their function of molecular exchange?
A. Capillaries lack muscles.
B. Capillaries are located between arteries and veins.
C. Capillaries allow blood to flow through them very rapidly.
D. Capillaries have extremely thin walls.
D. Capillaries have extremely thin walls.
Biology & Microbiology
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Trisomy 21 (Down syndrome) is the only example of an autosomal trisomy in which the fetus develops to term and is born alive
A. true B. false
Biology & Microbiology
_____ are inorganic substances with metabolic roles that no other substance can fulfill
a. Fats c. Vitamins b. Minerals d. Simple sugars
Biology & Microbiology
Almost all houseplants are clones that have been grown from ____ of a parent plant
a. Seeds b. cuttings c. suckers d. grafts e. fruits
Biology & Microbiology
What type of chromosome structure is commonly found in hyperthermophiles?
What will be an ideal response?
Biology & Microbiology