AP BIO chapter 5 review

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The type of bond that forms to join monomers (such as sugars and amino acids) into polymers (such as starch and proteins) is a(n) _____ bond.

Covalent
Cellulose is a _____ made of many _____.

polymer ... glucose molecules
A polypeptide is...

a macromolecule constructed from amino acid monomers
Which one of the following carbohydrate molecules has the lowest molecular weight?

A) Chitin
B) Glucose
C) Sucrose
D) Starch

B) Glucose
What is the major energy storage compound of plant seeds?

Oils
Some lipids are formed when fatty acids are linked to glycerol. These subunits are linked together by _____.

Ester Linkages
The fatty acid tails of a phospholipid are _____ because they _____.

hydrophobic ... have no charges to which water molecules can adhere
Which of the following lists ranks these molecules in the correct order by size?
- protein, sucrose, glucose, water
- Water has only three atoms; it must be at the beginning or end of this ranking
The peptide bond is _____.

a covalent bond
What is a pyrimidine? What is a purine?
- Pyrimidine: One of two types of nitrogenous bases found in nucleotides. Cytosine (C), thymine (T), and uracil (U) are pyrimidines.
- Purine: One of two types of nitrogenous bases found in nucleotides. Adenine (A) and guanine (G) are purines.
Glycosidic Linkage

A covalent bond formed between two monosaccharides by a dehydration reaction.
A fatty acid chain consists of a....

Carboxlyic Acid
Starch

A storage polysaccharide in plants consisting entirely of glucose.
Cellulose
- A structural polysaccharide found in cell walls consisting of glucose monomers joined by Beta 1-4 glycosidic linkages

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Card Set

AP BIO chapter 5 review

Description

lipids, carbohydrates, proteins, nucleic acids

Updated

2010-12-15T21:39:43Z

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