Test errors

Question 1

A disulfide bridge forms between what?

Answer 1

two sulfhydrl groups

Question 2

25% of all genes code for what

Answer 2

trans-membrane proteins

Question 3

3 correct statements about cytosol

Answer 3

• intracellular fluid found within the eukaryotic and prokaryotic cells
• contains mostly water, dissolved small molecules, and water soluble proteins
• site of many important events like metabolic processes, signal transduction, and protein synthesis

Question 4

3 true statements about mitochondria/chloroplasts

Answer 4

• not part of the endomembrane system
• have their own DNA, but still need proteins
• semi-autonomous, increase in number by binary fission

Question 5

name 3 types of lipids

Answer 5

triglycercides, steriods, phospholipids

Question 6

What lipids can be found in cell membranes?

Answer 6

phospholipids and steroids

Question 7

What makes up an amino acid?

Answer 7

central carbon, amino group, carboxyl, hydrogen atom, R group

Question 8

What is hydrolysis?

Answer 8

Polymers are broken down into monomers by the addition of water

Question 9

What are microtubules?

Answer 9

25 nm

long, hollow, cylindrical, compose of alpha and beta tubulin

Question 10

3 domains of life?

Answer 10

Bacteria, Archaea, eukarya

Question 11

What is pinocytosis?

Answer 11

formation of vesicles so that cells can internalize extracellular fluid

Question 12

Covalent vs. Ionic

Answer 12

Covalent= shared
ionic= transferred

Question 13

Carbohydrate bonds?
Triglyceride bonds?
Protein bonds?
DNA or RNA bonds?

Answer 13

Glycosidic
ester
peptide
phosphodiester

Question 14

endosymbiosis?

Answer 14

a theory about the evolution of eukaryotic cells, with chloroplasts and mitochondria arising from prokaryoutes