Chapter 3 Part 2

Question 1

Determines cells shape and organizes cellular contents

Answer 1

Cytoskeleton

Question 2

Include the microfilaments intermediate filaments and microfiber

Answer 2

Filaments

Question 3

Short hair like projections at cell surface moves fluids along cell

Answer 3

Cilia

Question 4

Located in sperm cell

Answer 4

Flagella

Question 5

Produce protein for inside use

Answer 5

Free ribosomes

Question 6

Located on rough ER produce proteins for outside use

Answer 6

Membrane bound ribosomes

Question 7

1.rough ER 2.smooth ER detoxifies drugs and amounts increase during drug tolerance

Answer 7

Endoplasmic reticulum

Question 8

Sorts packages and transports proteins received from rough ER

Answer 8

Golgi Complex

Question 9

Formed by Golgi complex and contains digestive enzymes-digest worn out organelles by autophagy and can destroy entire cell by autolysis

Answer 9

Lysosomes

Question 10

Produces most of the cells ATP -abundant in active cells -self replicate -outer and inner folds increase surface area

Answer 10

Mitochondria “powerhouse”

Question 11

Is the central cavity

Answer 11

Matrix

Question 12

Contains chromosomes (DNA) that controls cells activities

Answer 12

Nucleus

Question 13

Encloses nucleus

Answer 13

Nuclear envelope

Question 14

Located in nucleus; produces ribosomes

Answer 14

Nucleolus

Question 15

Contains 46 chromosomes

Answer 15

Human somatic body cells

Question 16

DNA segments

Answer 16

Genes

Question 17

Equal to the total number of genes in a cell; about 30,000

Answer 17

Human genome

Question 18

May consist of a single or identical double strands

Answer 18

Chromosomes (DNA)

Question 19

Are chromosomes in a non dividing cell

Answer 19

Chromatin

Question 20

DNA contains instructions for producing proteins , 2 steps

Answer 20

Protein synthesis

Question 21

1.information contained in a specific region of DNA in transcribed (copied) to mRNA 2.mRNA (messenger) is translated (read) into cytoplasm into a specific sequence of amino acids to form a new protein

Answer 21

Protein synthesis

Question 22

Occurs in nucleus

Answer 22

Transcription

Question 23

Starts transcription

Answer 23

Promoter gene

Question 24

Stops transcription

Answer 24

Terminator gene

Question 25

2 types cytoskeleton,filament

Answer 25

Organelles