Question

Please Answer all

1. In a single molecule of water, the hydrogen atoms and oxygen atom are held together by _______.

		A) ionic bonds
		B) covalent bonds
		C) hydrogen bonds
		D) none of these

1. Linking monomers into polymers through covalent bonds is end results of ______.

		A) dehydration synthesis
		B) hydrolysis
		C) ionic bonding
		D) hydrogen bonding

1. A bacterial cell that has flagella distributed over its entire surface is best described as ________________.

		A) peritrichous
		B) monotrichous
		C) lophotrichous
		D) amphitrichous

1. Which of these best describes an ionic bond?

		A) they are formed by ions that have an opposite charge
		B) they are formed by the sharing of one or more pairs of electrons
		C) they are unbreakable
		D) they are bonds that hold together carbon atoms in a molecule of glucose

1. R-PO₄ is an example of a(n) _______________.

		A) alcohol
		B) aldehyde
		C) ketone
		D) phosphate

1. What is the solid physical state of H₂O?

		A) water
		B) steam
		C) vapor
		D) ice

1. A triglyceride is an example of a _______________.

		A) lipid
		B) nucleic acid
		C) carbohydrate
		D) protein

Answer 1

1.In a single molecule of water, the hydrogen atoms and oxygen atom are held together by Covalent bond. (Polar)

2.Linking monomers into polymers through covalent bonds is end results of dehydration synthesis(Removal of water)

3.bacterial cell that has flagella distributed over its entire surface is best described as.A) peritrichous

4. ionic Bond:-A.they are formed by ions that have an opposite charge

5.R-PO4 is an example of a Phosphate( Generally phosphate is negative charge,phosphate inonically bonded to R to create neutral species)

6.solid physical state of H2O is D) ice

7. A triglyceride is an example of  A) lipid ​​​​​​(Triglycerides is an ester of glycerol and 3 fatty acid molecule) Hope you understand.