The existence of epigenetic effects suggests that
a. in violation of the central dogma, information can be transmitted from protein and incorporated into nucleic acid.
b. covalent modification of DNA must not persist through replication.
c. protein complexes associated with DNA must be assembled de novo following replication.
d. proteins may have been the original genetic material.
e. the protein(s) responsible must be self-assembling.
Ans: e
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Blanks "A" and "B" should be labeled respectively ____
a. does not gulp; loss b. does not gulp; gain c. gulps; loss d. gulps; gain
e. does not gulp; pumpFour of the five structures listed below are related by
a common quantity. Select the exception. a. urethra b. testis c. ejaculatory duct d. vas deferens e. epididymis
Bacterial electron transport chains may be comprised of fewer components and have lower phosphate to oxygen (P/O) ratios than mitochondrial transport chains.
Answer the following statement true (T) or false (F)
Which of the following are accessory photosynthetic pigments that expand the spectrum of light to provide energy for
photosynthesis? a. carotenoids only b. chlorophyll a only c. chlorophyll b only d. carotenoids and chlorophyll a e. carotenoids and chlorophyll b