The information storage molecules of cells are called:
A. hormones.
B. proteins.
C. phospholipids.
D. enzymes.
E. nucleic acids.
E
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In agarose gel electrophoresis, DNA molecules move towards the ____ pole because they ____
a. positive; are negatively charged
b. negative; are positively charged c. bottom; are pulled by a magnetic force d. bottom; are pulled by gravity e. bottom; have a greater density than the gel
A viral infection can lead to the development of type I diabetes.
Answer the following statement true (T) or false (F)
Concordance refers to the frequency with which members of a twin pair express a ________ trait
A) different B) mutated C) similar D) unrelated
The three-dimensional coordinates of atoms within a folded protein are determined experimentally. After researchers obtain a protein's structural details, they can use different techniques to highlight particular aspects of the structure
What visual model best displays a protein's secondary structures (? helices and ? sheets)? (a) ribbon (b) space-filling (c) backbone (d) wire