Lecture 4

Question 1

CT: All living things are made of __ or more cells

Answer 1

1

Question 2

CT: Cells arise only from the division of __ cells

Answer 2

Living

Question 3

CT: Cells are the smallest unit to be considered __

Answer 3

Alive

Question 4

Two cell types

Answer 4

Prokaryotes & Eukaryotes

Question 5

Examples of Prokaryotes (2)

Answer 5

Bacteria
Archea

Question 6

Examples of Eukaryotes (4)

Answer 6

Protista
Fungi
Plants
Animals

Question 7

Root word meanings from Pro,Eu,Kary

Answer 7

Pro-before
Eu-true
Kary-kernel

Question 8

Present in all cells (PCDRP(e))

Answer 8

Plasma membrane
Cytoplasm
DNA
Ribosomes
Proteins to do work (enzymes)

Question 9

Plasma membrane is made up of…

Answer 9

Lipid bilayer + (glyco) proteins

Question 10

Functions of Plasma Membrane (IRI)

Answer 10

Isolates cytoplasm from environment
Regulates molecular movement into and out of cell
Interacts with other cells/environment

Question 11

Cytoplasm is made up of (3)

Answer 11

Water
Protein
Dissolved ions

Question 11

Functions of cytoplasm(2)

Answer 11

Supports and surrounds cell structures
Most chemical rxns take place in cytoplasm

Question 12

For eukaryotes, genetic material is DNA is found in

Answer 12

Nucleus

Question 13

For prokaryotes the genetic material in DNa is found in

Answer 13

Cytoplasm

Question 14

Assembles amino acid monomers into polypeptide chains

Answer 14

Ribosomes

Question 15

TF: Both prokaryotes and eukaryotes have ribosomes

Answer 15

True

Question 16

No membrane bound nucleus, no internal organelles, all are unicellular

Answer 16

Prokaryotes

Question 17

Defined by a membrane-bound organelles, such as nucleus

Answer 17

Eukaryotes

Question 18

Single circle or DNA makes up the chromosome

Answer 18

Nucleoid

Question 19

Linear DNA chromosomes, nuclear envelope, protein network

Answer 19

Nucleus

Question 20

ALL cells possess (4)

Answer 20

Plasma membrane
Cytoplasm
Genetic material (usually DNA)
Ribosomes

Question 21

Standard feature of Prokaryotes and optional

Answer 21

F: Cell wall
O: Capsule, Flagellum, Pilus

Question 22

What cells lack cell walls?

Answer 22

Animal cells and Protozoa

Question 23

Pathway of membrane flow (NEGVP)

Answer 23

Nucleus
ER
Golgi Apparatus
Vesicles
Plasma membrane

Question 23

Consists of folded membranes attached with outer nuclear membrane

Answer 23

Endoplasmic reticulum

Question 23

Function of the Nuclear membrane

Answer 23

Protect DNA

Question 24

Protein synthesis and secretion

Answer 24

Rough ER

Question 25

Lipid synthesis and secretion

Answer 25

Smooth ER

Question 26

Function of ER

Answer 26

Organize assembly operations

Question 27

Membranous sacs associated with the ER

Answer 27

Golgi Apparatus

Question 28

Modifies, packages, labels, and secretes protein products

Answer 28

Golgi Apparatus

Question 29

Vesicles

Question 30

Organization, support, movement

Answer 30

Cytoskeleton

Question 31

Network of protein fibers to which organelles and even enzymes are attached

Answer 31

Cytoskeleton

Question 32

Cell shape and is the anchor for organelles

Answer 32

Intermediate filaments

Question 33

Cell division

Answer 33

Microtubules

Question 34

Functions of the cytoskeleton (5)

Answer 34

Cell shape Organization of cellular structures Cell movement Organelle mvmnt Cell division

Question 35

The ENERGY CENTERS of the cell (powerhouse)

Answer 35

Mitochondria

Question 36

TF: Mitochondria is anaerobic

Answer 36

False, Requires oxygen / aerobic respiration

Question 37

Mitochondria: Breaks down molecules to obtain their energy— _ , _ , etc

Answer 37

Sugars, fats

Question 39

Large water-filled spaces that take up over 90% of cell volume

Answer 39

Vacuoles

Question 40

Functions of Vacuoles (2)

Answer 40

Storage Maintain cell pressure -wilting

Question 41

Double membrane that contains chlorophyll pigment

Answer 41

Chloroplasts