Adequate intake of ____ by a mother-to-be
before and during early pregnancy may reduce
the risk of spina bifida and other serious neural
tube defects.
a. carbohydrates
b. folic acid
c. calcium
d. vitamin C
e. sodium
B
You might also like to view...
In "type 1 diabetes,"
a. blood glucose levels are too low. b. the body receptors are insensitive to insulin. c. insulin is no longer produced by the pancreas. d. diet modification will control the disease. e. mostly middle-aged persons are affected.
Which of the following is a nonvascular plant? Select all that apply.A) mossB) gymnospermC) liverwortD) fernE) hornwort
What will be an ideal response?
In plant cells, auxin binds to a
a. cell surface receptor and triggers the ras/raf pathway. b. nuclear receptor that changes its shape so that it can bind to and activate genes. c. receptor ubiquitin ligase that stimulates the degradation of transcriptional repressors, resulting in activation of genes. d. cell surface molecule that stimulates fluid uptake.
A(n) ________ is a reproductive structure found only in the ascomycetes.
Fill in the blank(s) with the appropriate word(s).