Hypotheses for the cause of autism spectrum disorders include or have included in the past ________
A) genetics B) aberrant parenting C) vaccinations D) all of the above
Answer: D
Biology & Microbiology
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Explain why most iron-oxidizing bacteria are obligately acidophilic, and discuss some of the environments where these organisms are found
What will be an ideal response?
Biology & Microbiology
The tube through which urine leaves the urinary bladder is called the ____
a. collecting duct b. urethra c. renal pelvis d. ureter e. renal vein
Biology & Microbiology
What type of mutation alters the base but not the amino acid being coded for?
A. Silent B. Nonsense C. Back D. Point E. Missense
Biology & Microbiology
A major function of magnesium in plants is to be _____
A) required to regenerate phosphoenolpyruvate in C4 and CAM plants B) a component of DNA and RNA C) a component of chlorophyll D) active in amino acid formation
Biology & Microbiology