lesson 5

Question 1

prokarytoic cells

Answer 1

include archaea and bacteria
-unicellular
-small
-lack internal compartments
-have cell wall
-may have capsule, pili, flagella

Question 2

prokaryotes and eukaryotes share

Answer 2

a plasma membrane
DNA is the genetic material
control of gene expression
metabolic pathways (glycolysis, respiration, and photosynthes)

Question 3

animal cell

Answer 3

nucleus
er and golgi
lysosomes
peroxisomes
mitochondria

Question 4

plant

Answer 4

nucleus
er and golgi
lysosomes
peroxisomes
mitochondria
chloroplast
vacuole
cell wall

Question 5

nucleus

Answer 5

surrounded by 2 membranes
2 functions:
protect DNA
separate RNA synthesis from protein synthesis

Question 6

endoplasmic reticulum

Answer 6

functions
1. protein synthesis
2. lipid synthesis
3. Ca++ storage
4. detoxification

Question 7

golgi apparatus

Answer 7

1. protein and lipid modification
2. protein sorting

Question 8

peroxisomes

Answer 8

enclose variety of enzymatic reactions
-oxidation of fatty acids
-biosynthetic reactions
-detoxification (H2O2)

Question 9

vacuoles

Answer 9

different type in different cells
-water balance
-storage of small molecules
-storage of waste products
-macromolecule degradation