Molecules of extrachromosomal DNA in bacteria are known as
a) Golgi complexes
b) lysosomes.
c) plasmids.
d) ribosomes.
Ans: c) plasmids.
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Select the statement that describes the stability of DNA and RNA under typical cellular conditions.
A) Double-stranded DNA in the nucleus and single-stranded RNA in the cytoplasm are equally stable. B) Double-stranded DNA in the nucleus is more stable than single-stranded RNA in the cytoplasm. C) Single-stranded RNA in the cytoplasm is more stable than double-stranded DNA in the nucleus. D) Both RNA in the cytoplasm and double-stranded DNA in the nucleus can never be degraded within a cell.
Low-growing, hardy plants of the __________ occur
at high latitudes, where there is a layer of __________. At high altitudes, similar plants grow as __________. Fill in the blank(s) with the appropriate word(s).
To make a clone of an adult animal the nucleus of what cell is removed and replaced?
a. unfertilized egg b. fertilized egg
c. Sperm d. stem cell e. red blood cell
What is the short segment of the cell cycle during which genetic material is partitioned equally to two daughter cells?
What will be an ideal response?