A double stranded DNA strand contains 26 pyrimidines. How many purines will the copied strand contain?
A. 0
B. 13
C. 26
D. 52
C
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Lactobacillus acidophilus can potentially colonize the intestinal tract
Indicate whether this statement is TRUE or FALSE.
When referring to membrane glycolipids and glycoproteins, the term "glyco-" indicates ____
a. nonpolar carbohydrate groups are attached to the molecules b. polar carbohydrate groups are attached to the molecules c. the molecules are found on both the interior and exterior of the membrane d. the molecules are attached to the membrane by ionic bonds e. the molecules are rarely found on the membrane exterior
Which person could exert the most influence to speed the reduction of greenhouse gas emissions?
A) individual B) business owner C) nonprofit corporation D) policymaker
If a person had cancer that had already metastasized by the time of diagnosis, the treatment options at this point would most likely include ________
A) immunotherapy B) chemotherapy C) surgery D) radiation