In which of the following ways are DNA and mRNA different? (1 point) A.)Only DNA can be read by tRNA molecules during replication to form copies of the genetic information in the original DNA.
B.)Only DNA contains adenine, guanine, and cytosine in a sequence that can be used to make proteins by unzipping and base pairing in the nucleus.
C.)Only DNA has a single stranded structure which can be replicated to form complementary strands.
D.)Only DNA serves as the master copy of an organism's genetic code which must be replicated by unzipping and base pairing before the cell divides.

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias

Which aspect of electronic commerce does the ftc regulate? a. encryption and transfer of data b. disposing of credit reports c. network security d. antivirus software updates