DNA transposons move using a(n) ____ intermediate while retrotransposons move using a(n) ____ intermediate
a. RNA; DNA
b. DNA; protein
c. DNA; snRNP
d. DNA; RNA
e. RNA; protein
ANSWER: d
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An example of a suppressor mutation would be
A. An intragenic mutation that restores the inactive protein's structure B. An intergenic mutation that increases the activity of a protein performing a different function as the mutated protein C. An intergenic mutation that activates a transcription factor that increases the espression of a normal protein D. A mutation that suppresses cell growth
Plate tectonics causes oceanic ridges to form where ____
a. continental plates collide b. shallow seas dry up c. magma rises through fissures in the sea floor d. old oceanic crust sinks below continental crust e. subduction uplifts continental crust
The mitochondria present in the sperm provide
a. energy for the movement of the flagellum. b. energy for the acrosome to penetrate the egg. c. energy for the maturation of the sperm. d. nutrients for the sperm. e. nutrients for the developing embryo.
After completing the nucleotide sequence of a microbial genome, computer translation of the DNA sequence allows enzymes to be identified based on a short pattern of amino acid sequence called a contig that corresponds to the active site of the enzyme.
Answer the following statement true (T) or false (F)