When taken by pregnant women, ________ decreases the chance of neural tube defects in infants
A) folic acid
B) vitamin C
C) vitamin K
D) calcium
Answer: A
Biology & Microbiology
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Which of the following proteins is responsible for advancing a cell through the four phases of the cell cycle?
A. caspases B. cyclins C. claudins D. endonucleases E. cofactors
Biology & Microbiology
Crossing over usually occurs in which of the following stages of meiosis?
a. prophase I b. interphase c. anaphase II d. metaphase I e. telophase II
Biology & Microbiology
A cherry blossom has all four sets of modified leaves (sepals, petals, stamens, and carpels), so it is called a
__________ flower. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
What is the frequency of the heterozygote genotype in this population?
1.0.24
2.0.36
3.0.48
4.0.16