Some bones have __________ that makes blood cells.
Fill in the blank(s) with the appropriate word(s).
red marrow
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HoxC-6 is always expressed posterior to vertebrae 7 during the development of every vertebrate
Indicate whether the statement is true or false
Worldwide declines in the population size of frogs have recently been linked to ____
a. overharvesting b. a fungus c. dams d. decreases in global temperatures e. increases in precipitation
When Mendel crossed tall (Tt) plants with tall plants of the same genotype, the offspring
A. were always short. B. were a variable mix of tall and short. C. were an equal mix of short and tall. D. were always tall. E. did not grow and reproduce, because they were separate species.
Ribosomes are associated with the production of
What will be an ideal response?