A deficiency of which nutrient will interfere with the proper development of the neural tube?

a. vitamin A
b. vitamin D
c. vitamin C
d. vitamin B12
e. folic acid


ANSWER: e

Biology & Microbiology

You might also like to view...

A cell that lacks sulfite oxidase but can still oxidize sulfur for energy could be identified by

A) adenosine phosphosulfate reductase coupled with substrate-level phosphorylation. B) electrons being transferred to cytochrome c prior to shuttling them into the electron transport chain. C) identifying an alternative quinone, flavoprotein, or cytochrome. D) quantifying the release of sulfate byproduct.

Biology & Microbiology

What poisonous gas is present in cigarette smoke that binds to hemoglobin? Why is it dangerous?

What will be an ideal response?

Biology & Microbiology

The range of a population

A. changes over time due to external events. B. is stable and almost never changes. C. only changes after a disaster has wiped out a former range. D. is very fluid and changes frequently in a random fashion. E. only changes due to iteroparity.

Biology & Microbiology

The membrane attack complex is a part of the _______ system.

A. mononuclear phagocyte B. complement C. adaptive defense D. interferon

Biology & Microbiology