What structures solve the end replication problem for linear chromosomes?
A. telomerases
B. centromeres
C. origins of replication
D. telomeres
E. euchromatin
D
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Which of the following statements is TRUE?
a. Once a person reaches maturity, cell division stops except to repair wounds. b. Cell division in an adult signifies cancer. c. Some specific cells throughout the body retain the ability to divide and replace themselves. d. Growth continues throughout the life of an adult human. e. All cells retain the ability to divide even after the organism reaches maturity.
Fleas are endoparasites.
Answer the following statement true (T) or false (F)
With __________ growth, a small population starts growing slowly, then grows rapidly, and then
levels off once __________ is reached. Fill in the blank(s) with the appropriate word(s).
Melanocytes are located in the ____
a. epidermis b. dermis c. hypodermis d. subcutaneous layer e. loose connective tissue layer