Which of the following diffuses in greater
amounts from the fetal blood to the mother's
blood?
a. oxygen
b. urea
c. hormones
d. antibodies
e. nutrients
B
Biology & Microbiology
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How many chromosomes did you inherit from your father?
A. 23 B. 2 C. 46 D. 92
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True or false: All changes in gene sequence are mutations, but not all mutations decrease or increase in frequency over time
A. true B. false
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Which proteins facilitate RNA polymerase binding at promoters?
What will be an ideal response?
Biology & Microbiology
Explain the changes in vegetation observed with increasing elevation. BONUS: Compare this to
changes in vegetation with latitude What will be an ideal response?
Biology & Microbiology