Pair the ribosomal structure with the correct organism.
A. Eukaryote
B. Bacteria
C. Archaea
A. 80S ribosome
B. 70S ribosome
C. 70S ribosome
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DNA polymerases ____
a. unwind DNA b. add new nucleotides to a strand c. catalyze carbon bonding d. assemble new strands in both direction e. repairs DNA
Which of the following statements is NOT correct about flowering plants?
Select one: a. A sperm nucleus combines with one polar nucleus to form the endosperm. b. A sperm nucleus combines with the egg nucleus to eventually form the embryo. c. A pollen grain may be carried to the stigma of the ovary by the wind. d. A pollen tube grows down the style. e. They exhibit double fertilization.
Although most metabolic reactions are freely reversible, a few irreversible catabolic steps are bypassed during biosynthesis with special enzymes that catalyze the reverse reaction in order to allow for independent regulation of catabolic and anabolic pathways.
Answer the following statement true (T) or false (F)
The process of using a cleansing technique to mechanically remove and reduce microorganisms and debris to safe levels is
A) Degermination B) Sanitization C) Sterilization D) Disinfection E) Antisepsis