U BIO Chapter 5

Question 1

How can fatty acids vary?

Accepted Answer

all

Question 2

What is this molecule?

Accepted Answer

nucleotide

Question 3

Which is true?

Accepted Answer

quaternary- multiple polypeptide chains

Question 4

Sickle-Cell Disease is a change in which structure?

Accepted Answer

primary- wrong amino acid sequence

Question 5

What is the following molecule?

Accepted Answer

amino acid

Question 6

Choose the answer with the sugar polysaccharide and its correct function and location.

Accepted Answer

glycogen-storage-liver and muscle of animals, starch-storage-chloroplasts and other plastids of plants, chitin-structural-exoskeleton of arthropods, cellulose-structural-cell wall of plants

Question 7

Which class of biological molecules does not have true polymers?

Accepted Answer

lipids

Question 8

What is the covalent bond between monomers of sugar called?

Accepted Answer

glycosidic linkage

Question 9

Which statement is true?

Accepted Answer

saturated fats contribute to cardiovascular disease

Question 10

How are monosaccharides classified?

Accepted Answer

location of carbonyl group

Question 11

What is the ratio of carbohydrates?

Accepted Answer

C1H2O1

Question 12

What is a function of lipids?

Accepted Answer

a major component of plasma membranes, cushion organs, energy storage, insulate body

Question 13

What are the three types of lipids?

Accepted Answer

fats, phospholipids, and steroids

Question 14

What accounts for more than 50% of the dry mass of most cells?

Accepted Answer

proteins

Question 15

Which of the following does not cause a protein to denature?

Accepted Answer

excess water

Question 16

How are nucleotides linked together to form the backbone?

Accepted Answer

phosphodiester linkage

Question 17

What is the term for the monomer of carbohydrates?

Accepted Answer

monosaccharides

Question 18

What is this molecule?

Accepted Answer

fatty acid

Question 19

What are the polymers of sugar?

Accepted Answer

polysaccharides

Question 20

Which is the correct biological molecule and monomer?

Accepted Answer

lipid-fatty acid

Question 21

Which is true of steriods?

Accepted Answer

carbon skeleton of four fused rings

Question 22

What is this molecule?

Accepted Answer

fatty acid

Question 23

Which groups makes up amino acids?

Accepted Answer

amine group and carboxylic acid group

Question 24

Which is true of the structure of DNA and RNA?

Accepted Answer

Thymine is only found on RNA

Question 25

Which is true of molecular biology?

Accepted Answer

can align amino acid sequences in species, document the hereditary background of an organism, shows relationships between species, used for evolutionary biology

Question 26

What is the unit of inheritance?

Accepted Answer

genes

Question 27

Why can we digest starch but not cellulose?

Accepted Answer

they are made of different configurations of glucose

Question 28

Which reaction builds a polymer from two monomers?

Accepted Answer

losing of water to bond, dehydration synthesis

Question 29

What are the functions of proteins?

Accepted Answer

movement and structure support, hormones and receptors, defense, storage, enzymatic activity, transport, cellular communication

Question 30

What is DNA-RNA-protein called?

Accepted Answer

gene expression

Question 31

The "monomer" of fats are-

Accepted Answer

triacylglycerol(triglyceride)-fatty A ester link to glycerol

Question 32

What makes up a nucleotide?

Accepted Answer

nitrogenous base, pentose sugar, and phosphate groups

Question 33

Which of the three components does not make up a nucleoside?

Accepted Answer

phosphate group

Question 34

What is used to determine a protein's structure?

Accepted Answer

X-ray crystallography

Question 35

What is this molecule?

Accepted Answer

monosaccharide

U BIO Chapter 5

Questions 35

U BIO Chapter 5

Questions 35