DNA sequencing data suggest that evolutionary changes are related to an accumulation of:
a. changes in DNA nucleotide sequences.
b. homologous structures.
c. index fossils.
d. vestigial organs.
e. convergent structures.
A
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The Xist gene product
A. is never translated into protein. B. is required for the production of Barr bodies. C. coats the X chromosome with RNA. D. associates with proteins to compact the chromosome. E. All of these statements are correct.
For glycolysis to occur,
a. glucose must enter the mitochondria. b. there must be an input of energy from ATP. c. oxygen must be available. d. ATP syntase must be activated. e. heat must be supplied
Specific heat refers to the amount of energy required to change 1 gram of a substance from the liquid
phase to the vapor phase. __________________ Indicate whether the statement is true or false.
Choose the letter of the best match from the following:A. nitrogenB. calciumC. potassiumD. phosphorusE. magnesiumContained in amino acids, proteins, nucleic acids, chlorophyll.
Fill in the blank(s) with the appropriate word(s).