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Mohammad Ali S.
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Organic Chemistry
TutorMe
Question:

The correct geometry around oxygen in CH3OCH3 is a. linear. b. bent. c. tetrahedral. d. trigonal planar

Mohammad Ali S.
Answer:

Bent

Chemistry
TutorMe
Question:

The main forces responsible for the structure of DNA are a. ionic bonds and covalent bonds. b. covalent bonds and ionic bonds. c. hydrogen bonds and dipole-dipole interactions. d. covalent bonds and hydrogen bonds. e. covalent bonds and dipole-dipole interactions.

Mohammad Ali S.
Answer:

Covalent bonds and hydrogen bonds

Biology
TutorMe
Question:

A vitamin is defined as an organic molecule that is required to be obtained from the diet because it can't be synthesized by the organism. Based on this definition, which of the following is not a true vitamin? Vitamin D Vitamin C Vitamin E Vitamin A

Mohammad Ali S.
Answer:

Vitamin D, although there are recommended intake values for Vitamin D, this "vitamin" can by synthesized by the body with the help of UV radiation from the sun.

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