The cerebral cortex of human consists of (A)_____ layers. During brain development, the cell population that migrates first will form the (B)______, and the second population of cells to migrate becomes (C)_______.
a. (A) six (B) cortical plate (C) layer VI
b. (A) six (B) subplate (C) layer VI
c. (A) ten (B) subplate (C) layer I
d. (A) ten (B) cortical plate (C) layer I
Answer: b. (A) six (B) subplate (C) layer VI
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In the liver, carbon dioxide and ammonia are combined to form the less toxic waste product ____
a. urea b. water c. creatine d. sulfuric acid e. phosphoric acid
In vertical gene transfer, genes move from one species to another species in the same generation
_____________________ Indicate whether the statement is true or false.
Answer the following questions true (T) or false (F)
1. Individuals more susceptible to fungal disease, such as AIDS patients, may be placed on antifungal medication as a preventive measure. 2. Mosquitoes that bite an infected patient take up sporozoites, which goes through another growth cycle that culminates in the formation of the gametocytes that can perpetuate the infection cycle in another human. 3. More than half of new infectious diseases in humans emerged due to expanded host tropism by the infectious organism.
Using the table, determine the MPN (per gram (ml)) if you obtain the following results:
Growth in all 3 10.0ml DSLB tubes Growth in 1 1.0ml SSLB tube No growth in the 0.1ml SSLB tubes A) 0.43 B) 0.64 C) 0.75 D) 4.3 E) 43 F) 1.2