Ch 6 Part 1

Question 1

Nucleus

Answer 1

holds genetic information (DNA)

Question 2

Blueprints for making proteins

Answer 2

Nucleus

Question 3

Site of transcription: instruction code is copied by mRNA

Answer 3

Nucleus

Question 4

Ribosomes

Answer 4

carry out instructions for synthesizing proteins

Question 5

Ribosomes are the site of ___ : protein synthesis based on mRNA

Answer 5

Translation

Question 6

Where are Ribosomes located?

Answer 6

Cytoplasm

Question 7

Chromatin

Answer 7

Complex of DNA and proteins

Question 8

Nucleolus

Answer 8

Site of ribosomal RNA (rRNA) synthesis and ribosome assembly

Question 9

Nuclear Envelope

Answer 9

Part of the endomembrane system

Question 10

Mediates transport in and out of nuclear envelope

Answer 10

nuclear pores

Question 11

Nuclear lamina

Answer 11

Protein filaments lining the inside of nuclear envelope

Question 12

maintains the shape of the nucleus

Answer 12

nuclear lamina

Question 13

Are ribosomes membrane bound?

Answer 13

no

Question 14

Two subunits of a ribosome

Answer 14

large subunit small subunit

Question 15

Both ribosome subunits are made of ___ and ___

Answer 15

protein and RNA (rRNA)

Question 16

Ribosomal protein is made in the ___, ribosomal RNA is made in the ____. Protein and RNA come together in the ___, and performs its function in the ____

Answer 16

cytosol, nucleolus, nucleolus, cytosol

Question 17

Ribosomes are “Protein factories” in the ___

Answer 17

cytosol

Question 18

Ribosomes are also found in

Answer 18

Prokaryotes Mitochondria Chloroplasts

Question 19

What kinds of cells would have lots of ribosomes?

Answer 19

cells that need a lot of protein

Question 20

“Free” Ribosomes

Answer 20

Remain free in the cytosol while making protein

Question 21

“Free” Ribosomes make Type __ proteins

Answer 21

Type 1

Question 22

“Bound” Ribosomes

Answer 22

Attached to the outside of the Rough ER

Question 23

“Bound” Ribosomes make Type __ proteins

Answer 23

Type 2

Question 24

What is the endomembrane system?

Answer 24

A system of directly or indirectly associating membrane

Question 25

Endomembrane system Direct via physical continuity

Answer 25

nuclear envelope and ER

Question 26

Endomembrane system Indirect via

Answer 26

transport vesicles

Question 27

Each sac in the ER is called a

Answer 27

cistern

Question 28

Cisternae form a new compartment in the cell called

Answer 28

Lumen

Question 29

Cisternae and lumen are contiguous with the

Answer 29

nuclear envelope

Question 30

Two types of Endoplasmic Reticulum

Answer 30

Rough ER and Smooth ER

Question 31

Bound by Ribosomes

Answer 31

Rough ER

Question 32

Not bound by ribosomes

Answer 32

Smooth ER

Question 33

3 Functions of the Smooth ER

Answer 33

Lipid Synthesis Drug detoxification Ca2+ storage and release

Question 34

3 Functions of the Rough ER

Answer 34

Site of synthesis of Type 2 proteins Glycoslyation of some of these proteins Membrane factory

Question 35

Cis face of the Golgi

Answer 35

The cisternae closest to the ER

Question 36

Transface of the Golgi

Answer 36

The cisternae farthest from the ER

Question 37

Golgi Apparatus Function Products received from ER are _______________

Answer 37

further modified

Question 38

Products from ER are concentrated, packaged, and sorted

Answer 38

Golgi Apparatus Function