Chapter 4

Question 1

Cells that have a genetic material enclosed within a membrane-bound nucleus and contain other organelles

Answer 1

Eukaryotic cell

Question 2

Cells of organisms of the domain Eukarya (plants, animals, fungi, and protist )

Answer 2

Eukaryotic Cell

Question 3

Cells that have genetic material that is not enclosed in a membrane-bound nucleus; they also lack other membrane-bound organelles.

Answer 3

Prokaryotic cell

Question 4

Cell of the domain Bacteria or Archaea

Answer 4

Prokaryotic

Question 5

These cells possess centrioles and cilia

Answer 5

Animal cell

Question 6

These cells have chloroplast, other plastids and a central vacuole

Answer 6

Plant cell

Question 7

All cells have these features

Answer 7

Plasma membrane 
Cytoplasm 
DNA
RNA
Ribosomes

Question 8

All the fluid and structures that lie inside the plasma membrane but outside of the nucleus

Answer 8

Cytoplasm

Question 9

The fluid portion of the cytoplasm contains water, salts, and organic molecules

Answer 9

Cytosol

Question 10

Hereditary blueprint

Answer 10

DNA (deoxyribonucleic acid)

Question 11

A copy of the blueprint and the guide to the construction of proteins

Answer 11

RNA ( ribonucleic acid)

Question 12

Cell Proteins are made by

Answer 12

Ribosomes

Question 13

A nonliving, protective, and supportive layer secreted outside the plasma membrane of fungi, plants, and most bacteria and protist.

Answer 13

Cell wall

Question 14

This function provides shape, support, and movement

Answer 14

Cytoskeleton

Question 15

The cytoskeleton is composed of what three types of protein fibers

Answer 15

Thin microfilaments
Medium-sized intermediate filaments
Thick microtubules

Question 16

A short, hair like, motile projection from the surface of certain eukaryotic cells that contains microtubules in a 9+2 arrangement

Answer 16

Cillium or cilia

Question 17

A long, hairlike extension of the plasma membrane; in eukaryotic cells, it contains microtubules arranged in a 9 +2 pattern

Answer 17

Flagellum or flagella

Question 18

A small, membrane-bound sac within the cytoplasm

Answer 18

Vesicles/vacuole

Question 19

A system of membrane tubes and channels in eukaryotic cells; the site of most protein and lipid synthesis

Answer 19

Endoplasmic reticulum

Question 20

Is studded with ribosomes and produces proteins destined for other membranes or for secretion

Answer 20

Rough ER

Question 21

Has no ribosomes detoxifies drugs, and synthesizes lipids such as steroid hormones made from cholesterol

Answer 21

Smooth ER

Question 22

A stack of membranous sacs, found in most eukaryotic cells, the site of modifying ,sorting, and shipping out

Answer 22

Golgi apparatus

Question 23

A membrane-bound organelle that digest food, destroys worn out organelles and ruptures and kill the cell

Answer 23

Lysosome

Question 24

An organelle, bounded by two membranes, that is the site of the reaction of aerobic metabolism

Answer 24

Mitochondrion

Question 25

In plant cells, an organelle bounded by two membranes that may be involved in photosynthesis (chloroplasts), pigment storage, or food storage

Answer 25

Plastic

Question 26

The organelle in plants and plantlike protist that is the site of photosynthesis; Surrounded by a double membrane and containing an extensive internal membrane system that bears chlorophyll

Answer 26

Chloroplast

Question 27

The membrane-bound organelle of eukaryotic cells that contains the cells genetic material

Answer 27

Nucleus

Question 28

The region of the eukaryotic nucleus that is engaged in ribosomes synthesis; consists of the genes encoding ribosomal RNA, newly synthesized ribosomal RNA, newly synthesized ribosomal RNA, and ribosomal proteins

Answer 28

Nucleolus

Question 29

The double membrane system surrounding the nucleus of eukaryotic cells; the outer membrane is typically continuous with the endoplasmic reticulum

Answer 29

Nuclear envelope

Question 30

The complex of DNA and proteins that makes up eukaryotic chromosomes

Answer 30

Chromatin

Question 31

A DNA double helix together with proteins that help to organize and regulate the use of the DNA

Answer 31

Chromosome