1.1 The Diversity of Cells

Question 1

in biology, the smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm

Answer 1

cells

Question 2

a phospholipid layer that covers a cell’s surface; acts as a barrier between the inside of a cell and the cell’s enviroment

Answer 2

cell membrane

Question 3

one of the small bodies in a cell’s cytoplasm that are specialized to perform a specific function/ is a “little organ”

Answer 3

organelle

Question 4

in a eukaryotic cell, a membrane-bond organelle that contains the cell’s DNA and that has a role in processes such as growth, metabolism, and reproduction

Answer 4

nucleus

Question 5

an organism that consists of a single cell that does not have a nucleus

Answer 5

prokaryote

Question 6

an organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include animals, plants, and fungi, but not archarbacteria or eubacteria

Answer 6

eukaryote

Question 7

little animals

Answer 7

animalcules

Question 8

was known of the first two parts of tissues/ cells

Answer 8

cell theory

Question 9

equation= surface area/volume

Answer 9

surface area-to-volume ratio

Question 10

is the fluid inside of a cell

Answer 10

cytoplasm

Question 11

are cells with no nuclus

Answer 11

prokaryotic cells

Question 12

are cells that have a nuclus

Answer 12

eukaryotic cells

Question 13

are the most common prokaryotes

Answer 13

eubacteria

Question 14

are similar to eukaryotic cells in some ways

Answer 14

archaebacteria

Question 15

are tiny, round organelles

Answer 15

Ribosomes

Question 16

are another name for archaebacteria

Answer 16

archaea

Question 17

archaebacteria are sometimes called extremeophiles

Answer 17

heat-loving/salt-loving/methane-making

Question 18

means may cells

Answer 18

multicellular

Question 19

first scientist to describe cells

Answer 19

Hooke

Question 20

bhh

Answer 20

Scheleiden