What does DNA ligase do?
a. breaks the hydrogen bonds between base
pairs
b. seals gaps between assembled nucleotides
c. provides energy for nucleotide assembly
d. acts as an initiator to start the replication
process
e. seals the ends of the replicated DNA
molecule
B
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The electron transfer chain is located
a. on the inner membrane of the mitochondria. b. on the inner membrane of the chloroplasts. c. in the fluid part of the chloroplast. d. throughout the cytoplasm of the cell. e. on the plasma membrane of eukaryotes.
HEPA filters are used to remove microbes from
A. air. B. liquids. C. medical instruments. D. human tissues. E. All of the choices are correct.
The gymnosperms produce seeds that are enclosed within a fruit.
Answer the following statement true (T) or false (F)
In the three-domain system, the eukaryotes are represented
A) only within the domain Eukarya. B) only within the domain Archaea. C) only within the kingdom Protista. D) in all three domains.