Carbon, which has four electrons in its outer shell ( with a capacity of eight electrons), can form a maximum of how many covalent bonds with other atoms?
A.) 8
B.) 2
C.) 0
D.) 4
Ans: D.) 4
Biology & Microbiology
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A) origin B) insertion C) synergistic D) antagonistic
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An important functional role of the endocrine system is to ____
a. respond rapidly to changes in the body b. control gene action c. inhibit nervous system action on muscles and glands d. regulate digestion e. fight infection
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Bacteria reproduce via?
A) binary fission B) mitosis C) fusion D) meiosis
Biology & Microbiology
What is the possible advantage of being heterozygous for the sickle-cell gene?
What will be an ideal response?
Biology & Microbiology