An old DNA strand is used as a _____ for the assembly of a new DNA strand.
Fill in the blank(s) with the appropriate word(s).
Ans: template
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Most actinoplanetes are found in marine habitats.
Answer the following statement true (T) or false (F)
Where in the human body can you find T cells?
A. Bone marrow D. Spleen B. Blood E. All of these C. Thymus glands
TRAIT SPECIESABCDE110000211111311111411110511100611000 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while a "1" indicates the derived condition. Based on this data, which pair of species diverged most recently?
A. 6 and 5 B. 1 and 4 C. 2 and 3 D. 6 and 4 E. 2 and 4
Which of the following statements is false?
(a) A new RNA molecule can begin to be synthesized from a gene before the previous RNA molecule's synthesis is completed. (b) If two genes are to be expressed in a cell, these two genes can be transcribed with different efficiencies. (c) RNA polymerase is responsible for both unwinding the DNA helix and catalyzing the formation of the phosphodiester bonds between nucleotides. (d) Unlike DNA, RNA uses a uracil base and a deoxyribose sugar.