Chapter 2 Lab

Question 1

Carbohydrates have ____ structures

Answer 1

Ring

Question 2

2 atoms equally share a pair of electrons

Answer 2

Nonpolar covalent bonds

Question 3

2 atoms unequally share a pair of electrons

Answer 3

Polar covalent bonds

Question 4

Carbon and hydrogen form a ____ bond

Answer 4

Covalent

Question 5

Has a slightly positive side and a slightly negative side

Answer 5

Polar molecule

Question 6

Result of atoms sharing electrons

Answer 6

Covalent bonds

Question 7

Bonding where the slightly positive portion of 1 molecule is attracted to the slightly negative portion of another polar molecule

Answer 7

Hydrogen bonding

Question 8

4 major categories of organic molecules found in humans

Answer 8

Polysaccharides
Triglycerides
Protein
Nucleic acids

Question 9

Large carbohydrates
Made of monosaccharides bonded together

Answer 9

Polysaccharides

Question 10

Large lipids called fats
Made of 1 glycerol and 3 fatty acids

Answer 10

Triglycerides

Question 11

Polypeptides
Made of amino acids bonded together

Answer 11

Proteins

Question 12

DNA & RNA
Made of nucleotides bonded together

Answer 12

Nucleic acids

Question 13

Monomers

Answer 13

Small molecules

Question 14

Polymers

Answer 14

Larger molecules

Question 15

A monosaccharide with the molecular formula C6H12O6

Answer 15

Glucose

Question 16

Glycerol has ___ Carbons

Answer 16

3

Question 17

Amino acids all contain the element ____ & a _____ group

Answer 17

Nitrogen; carboxyl

Question 18

An acid will release _____ ions when placed in water

Answer 18

Hydrogen

Question 19

Simple monosaccharide used as fuel for energy production

Answer 19

Glucose

Question 20

Large polysaccharide stores in the liver and skeletal muscles

Answer 20

Glycogen

Question 21

Joins together with 3 fatty acids to build a triglyceride

Answer 21

Glycerol