The Cell (intro)

Question 1

characteristics of a unicellular organism

Answer 1

made up of one cell
carry out all activities necessary for life
independent

Question 2

characteristics of a multicellular organism

Answer 2

many different types of cells with different specific functions
activities of life are divided among cells
must interact between each other for proper function of life

Question 3

What is the cell theory

Answer 3

1. all organism are composed of one or more cells
   2.the cell is the basic structural and functional unit in all living living organisms
2. cells arise only from preexisting cells

Question 4

how did Leeuwenhoek and Hooke aid in biological discoveries

Answer 4

Leeuwenhoek was one of the first to observe microorganisms
Hooke discovered the cell and was first to observe living thing through microscope

Question 5

what are basic features of cell structure and function

Answer 5

-membrane bound and have plasma membrane, DNA and ribosomes
-carry out all essential life processes
-contain and DNA and RNA
-Use energy, respond to their environment, pass on hereditary info

Question 6

differ between Prokaryotic and Eukaryotic cells

Answer 6

Prokaryotic, do not have a nucleus, have a nucleoid
no defined membrane bound organelles
no internal membrane bound organelles

Eukaryotic
have a nucleus
membrane bound organelles

Question 7

resolution

Answer 7

ability to distinct between two particles

Question 8

what gives microscopes better resolution

Answer 8

wavelength, short is better

Question 9

confocal microscope

Answer 9

shoots with lasers
3D shape
fluorescent stained specimen

Question 10

what increases more quickly in cells as it expands surface area or volume

Answer 10

volume