Muscular movements that mix food in the lumen of the small intestine are referred to as
A) elimination.
B) secretion.
C) absorption.
D) muscularis.
E) segmentation.
E
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Explain why organisms undergoing rapid evolutionary change often contain relatively large numbers of mobile DNA elements, whereas once organisms settle into a stable evolutionary niche, most of these mobile elements are lost
What will be an ideal response?
Viruses can redirect host metabolic functions
Indicate whether the statement is true or false.
During protein synthesis, ribosomes:a
attach to the mRNA molecule and travel along its length. b. attach to the DNA molecule and travel along its length to produce an mRNA molecule. c. translate mRNA into tRNA. d. transcribe mRNA to tRNA. e. translate mRNA into DNA.
If the haploid number of an organism is 6, the diploid number will be
A. 3. B. 6. C. 9. D. 12.