The function of DNA ligase is to:
A. catalyze the formation of covalent bonds between adjacent nucleotides.
B. unwind the double-stranded DNA prior to replication.
C. keep the single strands of DNA apart during replication.
D. facilitate base pairing between single stranded molecules of DNA.
E. catalyze the formation of hydrogen bonds between adjacent nucleotides.
A
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Anticodons
1.are located on the mRNA. 2.are located on the tRNA. 3.are located on the rRNA. 4.are not used in translation. 5.None of the options is correct.
What is a trace element?
A. An element that is required in miniscule amounts for life B. An element that is evenly distributed on the planet C. An element that is used to identify the location of other elements D. An element that is very common in nature
When grouping organisms, which classification is most general for a particular type of organism?
A. Kingdom B. Phylum C. Order D. Family E. Species
Guard cells contain chloroplasts
Indicate whether the statement is true or false.