The mantle in mollusks
a. secretes the shell and protects the animal.
b. contains the internal organs.
c. functions in obtaining food.
d. is involved in movement.
e. is composed of calcium carbonate.
A
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In DNA, a purine must always pair with a pyrimidine and vice versa in order to ensure that
A. the distance between the two phosphodiester backbones remains constant. B. the two strands are antiparallel. C. the distance between one base pair and the next remains constant. D. each base pair is held together by three hydrogen bonds.
Fertilization of a frog egg triggers the resumption of meiosis by an increase in
a. ATP. b. Ca2+. c. cAMP. d. PIP2.
The paramedic is in the BEST position to formulate an appropriate treatment plan for an ill patient if the paramedic:
A) is able to identify the etiology of the patient's illness. B) obtains a complete list of all the patient's medications. C) performs a head-to-toe exam to detect all abnormalities. D) gathers a reliable medical history from the patient's family.
The data from metagenomic experiments is commonly displayed in a Venn diagram where there is overlap between datasets that suggest correlation with disease states. If a patient exhibits genomic sequences from multiple overlapping regions of the diagram
what happens to their predisposition to the disease? A) It stays the same. B) It goes up. C) It goes down. D) Genetics do not play a role in disease predisposition.