Topic Guide 2

Question 1

Two prokaryotes

Answer 1

Bacteria and Archaea

Question 2

Two Eukaryotes

Answer 2

Protozoa, fungi

Question 3

Do all cell types have a plasma membrane?

Answer 3

Yes

Question 4

What is a phospholipid bilayer composed of?

Answer 4

Polar head and nonpolar tails

Question 5

What is the function of a plasma membrane?

Answer 5

Border the cells and hold cellular components

Question 6

What is hard to cross plasma membrane?

Answer 6

Charged ions and large molecules

Question 7

What crosses the plasma membrane medium well?

Answer 7

Water, medium sized molecules

Question 8

What crosses the plasma membrane very well?

Answer 8

O2 and CO2, small nonpolar molecules

Question 9

What controls what can pass into or out of a cell?

Answer 9

Plasma membrane

Question 10

Diffusion of water from high to low concentrations

Answer 10

Osmosis

Question 11

Cell become this when water must flow into cell

Answer 11

Hypotonic

Question 12

Cell becomes this when water must leave the cell

Answer 12

Hypertonic

Question 13

What happens when a cell is hypotonic?

Answer 13

Water flows into cell

Question 14

What happens when a cell is hypertonic?

Answer 14

Water leaves

Question 15

4 structures of membrane proteins

Answer 15

Channel/transport molecules
Structural support/anchoring
Receptors
Enzymes

Question 16

Transport of a large or multiple molecules into a vesicle

Answer 16

Endocytosis

Question 17

Basic cell structures and their functions

Answer 17

Cell biology

Question 18

Functions/purpose of a cell (5)

Answer 18

1. Provides support for other cells
2. Genetic info and instructions for its role
3. Communication with other cells
4. Having its own role within a larger organism
5. Reproduce

Question 19

What two things are in the prokaryotic cell category?

Answer 19

Bacteria and archaea

Question 20

What is the cell envelope composed of?

Answer 20

Plasma membrane, cell wall

Question 21

What is the cell wall of a prokaryote cell composed of?

Answer 21

Polysaccharide layers that prevent lysis

Question 22

How many nucleoids are in a prokaryotic cell?

Answer 22

One

Question 23

What is in the nucleoid?

Answer 23

DNA and proteins to condense it

Question 24

How does the nucleoid of a prokaryote cell present?

Answer 24

Free floating, not contained in a nucleus.

Question 25

Ribosome functions

Answer 25

Synthesize proteins, molecular machines

Question 26

What are prokaryotic cells composed of?

Answer 26

Envelope, nucleoid, ribosomes

Question 27

What are in the Eukaryotic cell category?

Answer 27

Protozoa, fungi

Question 28

What are the major parts of a eukaryotic cell?

Answer 28

Plasma membrane, cell wall, nucleus, endomembrane system, mitochondria, cytoskeleton proteins

Question 29

Functions of the plasma membrane

Answer 29

Barrier, communication, transport

Question 30

Cell wall function

Answer 30

Sturdy barrier, prevents lysis

Question 31

Double membrane with DNA inside and packaging proteins

Answer 31

Nucleus

Question 32

Three components of the endomembrane system

Answer 32

ER, Golgi apparatus, vesicles

Question 33

What happens in the ER?

Answer 33

Protein synthesis via ribosomes, lipid synthesis

Question 34

Molecules reach final form, sorted and released into vesicles (location this occurs)

Answer 34

Golgi Apparatus

Question 35

Molecules move to final destination in these

Answer 35

Vesicles

Question 36

Generates ATP in a eukaryotic cell

Answer 36

Mitochondria

Question 37

Provides cellular support, creates cell shape, vesicles move along these

Answer 37

Cytoskeleton proteins