DNA is
a. composed of protein and lipid subunits.
b. organized into functional units called genes.
c. organized into functional units called chromosomes.
d. organized into functional units called ribosomes.
e. organized from information contained in proteins.
B
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A biological safety cabinet filters out more microorganisms than an N95 mask.
Answer the following statement true (T) or false (F)
To conduct a phylogenetic analysis, we need an outgroup to:
A. decide which characters are analogous and which are homologous. B. determine which character states are ancestral and which are derived. C. determine which characteristics to include in our analysis. D. decide which molecular data to use. E. All of the answer options are correct.
The largest part of the brain in humans is the ___________
Fill in the blank(s) with the appropriate word(s)
The difference between ATP and the nucleoside triphosphates used during DNA synthesis is that _____
A) the nucleoside triphosphates have the sugar deoxyribose; ATP has the sugar ribose B) the nucleoside triphosphates have two phosphate groups; ATP has three phosphate groups C) ATP contains three high-energy bonds; the nucleoside triphosphates have two D) ATP is found only in human cells; the nucleoside triphosphates are found in all animal and plant cells